Ralf Ludwig
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German physical chemist
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Ralf Ludwigchemistry Degrees
Chemistry
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Physical Chemistry
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Chemistry Physics
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(Suggest an Edit or Addition)Ralf Ludwig's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Water: From Clusters to the Bulk. (2001) (906)
- Efficient Dehydrogenation of Formic Acid Using an Iron Catalyst (2011) (634)
- Selective Catalytic Hydrogenations of Nitriles, Ketones, and Aldehydes by Well-Defined Manganese Pincer Complexes. (2016) (355)
- Strong, localized, and directional hydrogen bonds fluidize ionic liquids. (2008) (334)
- Molecular dynamic simulations of ionic liquids: a reliable description of structure, thermodynamics and dynamics. (2007) (305)
- Iron-catalyzed hydrogen production from formic acid. (2010) (292)
- Hydrogen bonding in protic ionic liquids: reminiscent of water. (2009) (272)
- Ion-pair formation in the ionic liquid 1-ethyl-3-methylimidazolium bis(triflyl)imide as a function of temperature and concentration. (2006) (254)
- The influence of hydrogen bonding on the physical properties of ionic liquids. (2011) (252)
- The association of water in ionic liquids: a reliable measure of polarity. (2006) (237)
- Spectroscopic evidence for an enhanced anion-cation interaction from hydrogen bonding in pure imidazolium ionic liquids. (2010) (227)
- The cation-anion interaction in ionic liquids probed by far-infrared spectroscopy. (2008) (224)
- The potential role of hydrogen bonding in aprotic and protic ionic liquids. (2009) (196)
- Probing molecular interaction in ionic liquids by low frequency spectroscopy: Coulomb energy, hydrogen bonding and dispersion forces. (2014) (153)
- Imidazolium salt ion pairs in solution. (2015) (135)
- On the validity of Stokes-Einstein and Stokes-Einstein-Debye relations in ionic liquids and ionic-liquid mixtures. (2008) (130)
- Analyzing the interaction energies between cation and anion in ionic liquids: The subtle balance between Coulomb forces and hydrogen bonding (2014) (129)
- A Stable Manganese Pincer Catalyst for the Selective Dehydrogenation of Methanol (2016) (128)
- Experimental and theoretical determination of the temperature dependence of deuteron and oxygen quadrupole coupling constants of liquid water (1995) (113)
- Do we understand the volatility of ionic liquids? (2007) (106)
- ortho-Metalation of iron(0) tribenzylphosphine complexes: homogeneous catalysts for the generation of hydrogen from formic acid. (2010) (101)
- Ionic liquids: dissecting the enthalpies of vaporization. (2008) (101)
- Temperature dependence of the solubility of carbon dioxide in imidazolium-based ionic liquids. (2009) (99)
- IR and NMR properties of ionic liquids: do they tell us the same thing? (2007) (98)
- Hydrogen bonding in ionic liquids probed by linear and nonlinear vibrational spectroscopy (2012) (98)
- The importance of hydrogen bonds for the structure of ionic liquids: single-crystal X-ray diffraction and transmission and attenuated total reflection spectroscopy in the terahertz region. (2010) (97)
- The influence of hydrogen-bond defects on the properties of ionic liquids. (2011) (96)
- The structure of liquid methanol. (2005) (94)
- Low-frequency vibrational modes of protic molten salts and ionic liquids: detecting and quantifying hydrogen bonds. (2012) (93)
- Photocatalytic hydrogen generation from water with iron carbonyl phosphine complexes: improved water reduction catalysts and mechanistic insights. (2011) (92)
- Base-free hydrogen generation from methanol using a bi-catalytic system. (2014) (91)
- Spectroscopic Evidence for Clusters of Like‐Charged Ions in Ionic Liquids Stabilized by Cooperative Hydrogen Bonding (2016) (91)
- Wasser: von Clustern in die Flüssigkeit (2001) (90)
- Dissecting anion-cation interaction energies in protic ionic liquids. (2013) (87)
- Quantum Cluster Equilibrium Theory of Liquids: Temperature Dependence of Hydrogen Bonding in Liquid N-Methylacetamide Studied by IR Spectra (1998) (85)
- Cation-cation clusters in ionic liquids: Cooperative hydrogen bonding overcomes like-charge repulsion (2015) (84)
- Ion speciation of protic ionic liquids in water: transition from contact to solvent-separated ion pairs. (2013) (82)
- Theoretical study of hydrogen bonding in liquid and gaseous N- methylformamide (1997) (80)
- NMR relaxation studies in water-alcohol mixtures: the water-rich region (1995) (79)
- Volatile times for the very first ionic liquid: understanding the vapor pressures and enthalpies of vaporization of ethylammonium nitrate. (2014) (76)
- Phosphides or nitrides for better NLO properties? A detailed comparative study of alkali metal doped nano-cages (2017) (76)
- Comment on "New interpretation of the CH stretching vibrations in imidazolium-based ionic liquids". (2010) (72)
- The effect of hydrogen bonding on the thermodynamic and spectroscopic properties of molecular clusters and liquids (2002) (71)
- Controlling the subtle energy balance in protic ionic liquids: dispersion forces compete with hydrogen bonds. (2015) (71)
- Death and Rebirth: Photocatalytic Hydrogen Production by a Self-Organizing Copper–Iron System (2014) (70)
- On the Tautomerism of Secondary Phosphane Oxides (2010) (70)
- Specific ion effects on water structure and dynamics beyond the first hydration shell. (2011) (70)
- Pressure and salt effects in simulated water: two sides of the same coin? (2007) (69)
- A molecularly defined iron-catalyst for the selective hydrogenation of α,β-unsaturated aldehydes. (2013) (69)
- Calculation of clathrate-like water clusters including H2O-buckminsterfullerene. (2005) (67)
- Remarkable nonlinear optical response of alkali metal doped aluminum phosphide and boron phosphide nanoclusters (2018) (67)
- Experimental and theoretical studies of hydrogen bonding in neat, liquid formamide (1995) (67)
- Quantum cluster equilibrium theory of liquids: molecular clusters and thermodynamics of liquid ethanol (1999) (65)
- Combined THz, FIR and Raman spectroscopy studies of imidazolium-based ionic liquids covering the frequency range 2-300 cm(-1). (2010) (65)
- New insight into the transport mechanism of hydrated hydroxide ions in water. (2003) (65)
- Estimating enthalpies of vaporization of imidazolium-based ionic liquids from far-infrared measurements. (2010) (64)
- When Like Charged Ions Attract in Ionic Liquids: Controlling the Formation of Cationic Clusters by the Interaction Strength of the Counterions. (2017) (63)
- An elemental mercury diffusion coefficient for natural waters determined by molecular dynamics simulation. (2009) (63)
- Kinetics and mechanism of antibacterial activity and cytotoxicity of Ag-RGO nanocomposite. (2017) (62)
- Quantum cluster equilibrium theory of liquids: Freezing of QCE/3-21G water to tetrakaidecahedral ''Bucky-ice'' (1999) (61)
- Starke, lokalisierte und gerichtete H‐Brücken machen ionische Flüssigkeiten beweglicher (2008) (60)
- Thermodynamic properties of ionic liquids-a cluster approach. (2008) (59)
- Hydrogen bonding in a mixture of protic ionic liquids: a molecular dynamics simulation study. (2015) (59)
- Copper-Based Photosensitisers in Water Reduction: A More Efficient In Situ Formed System and Improved Mechanistic Understanding. (2016) (59)
- Molecular reorientation in ionic liquids: A comparative dielectric and magnetic relaxation study (2007) (58)
- Selective Earth-Abundant System for CO2 Reduction: Comparing Photo- and Electrocatalytic Processes (2019) (56)
- Water: From Clusters to the Bulk (2001) (53)
- The anion dependence of the interaction strength between ions in imidazolium-based ionic liquids probed by far-infrared spectroscopy. (2012) (52)
- Insights into the mechanism of photocatalytic water reduction by DFT-supported in situ EPR/Raman spectroscopy. (2011) (52)
- Equilibrium of contact and solvent-separated ion pairs in mixtures of protic ionic liquids and molecular solvents controlled by polarity. (2013) (51)
- Structure-property relationships in ionic liquids: a study of the anion dependence in vaporization enthalpies of imidazolium-based ionic liquids. (2012) (51)
- Spectroscopic evidence of 'jumping and pecking' of cholinium and H-bond enhanced cation-cation interaction in ionic liquids. (2015) (50)
- Formation of water clusters in a hydrophobic solvent. (2003) (50)
- Structure of Liquid N-Methylacetamide: Temperature Dependence of NMR Chemical Shifts and Quadrupole Coupling Constants (1997) (49)
- Designing alkoxy-induced based high performance near infrared sensitive small molecule acceptors for organic solar cells (2020) (47)
- Exploring between the extremes: conversion-dependent kinetics of phosphite-modified hydroformylation catalysis. (2012) (47)
- Proteolytic Degradation of Alzheimer's Disease Amyloid β‐Peptide by a Metalloproteinase from Microglia Cells (1998) (47)
- Structure and dynamics of water confined in dimethyl sulfoxide. (2006) (46)
- Fern-IR-spektroskopische Charakterisierung der Wechselwirkung zwischen Kationen und Anionen in ionischen Flüssigkeiten† (2008) (46)
- Base-free non-noble-metal-catalyzed hydrogen generation from formic acid: scope and mechanistic insights. (2014) (46)
- Dispersion and Hydrogen Bonding Rule: Why the Vaporization Enthalpies of Aprotic Ionic Liquids Are Significantly Larger than those of Protic Ionic liquids. (2016) (45)
- Cooperative hydrogen bonding in amides and peptides (2000) (45)
- Non-ideal mixing behaviour of hydrogen bonding in mixtures of protic ionic liquids. (2015) (45)
- Mechanistic Study on the Addition of CO2 to Epoxides Catalyzed by Ammonium and Phosphonium Salts: A Combined Spectroscopic and Kinetic Approach (2018) (44)
- Microheterogeneities in ionic-liquid-methanol solutions studied by FTIR spectroscopy, DFT calculations and molecular dynamics simulations. (2012) (44)
- Structural Motifs in Cold Ternary Ion Complexes of Hydroxyl-Functionalized Ionic Liquids: Isolating the Role of Cation-Cation Interactions. (2018) (44)
- Iron-catalyzed photoreduction of carbon dioxide to synthesis gas (2016) (44)
- NMR relaxation in ethanol and propanol and in their binary mixtures with carbon tetrachloride (1994) (44)
- Spektroskopischer Nachweis einer verstärkten Anion‐Kation‐ Wechselwirkung durch H‐Brücken in reinen ionischen Flüssigkeiten auf Imidazoliumbasis (2010) (43)
- What far-infrared spectra can contribute to the development of force fields for ionic liquids used in molecular dynamics simulations. (2009) (43)
- Temperature dependence of hydrogen bonding in alcohols (2000) (42)
- Cationic clustering influences the phase behaviour of ionic liquids (2018) (42)
- Spectroscopic Evidence for an Attractive Cation-Cation Interaction in Hydroxy-Functionalized Ionic Liquids: A Hydrogen-Bonded Chain-like Trimer. (2018) (41)
- Temperature dependence of hydrogen bonding in neat, liquid formamide (1995) (41)
- Wasserstoffbrücken in protischen ionischen Flüssigkeiten – Ähnlichkeiten mit Wasser (2009) (40)
- A simple geometrical explanation for the occurrence of specific large aggregated ions in some protic ionic liquids. (2009) (40)
- Molecular Dynamics in Lower Alcohols (1995) (40)
- Transport properties of graphene quantum dots in glycerol and distilled water (2017) (40)
- The effect of dispersion forces on the interaction energies and far infrared spectra of protic ionic liquids. (2015) (40)
- Hydrogen bonding in a sterically hindered alcohol (2002) (39)
- Highly active and selective photochemical reduction of CO2 to CO using molecular-defined cyclopentadienone iron complexes. (2016) (38)
- Ion pairing in protic ionic liquids probed by far-infrared spectroscopy: effects of solvent polarity and temperature. (2014) (38)
- Quantum cluster equilibrium theory of liquids: temperature dependent chemical shifts, quadrupole coupling constants and vibrational frequencies in liquid ethanol (1999) (38)
- Temperature Dependence of the Deuteron and Oxygen Quadrupole Coupling Constants of Water in the System Water/Dimethyl Sulfoxide (1994) (37)
- Die Assoziation von Wasser in ionischen Flüssigkeiten: eine verlässliche Sonde zur Bestimmung der Polarität (2006) (37)
- Limiting diffusion coefficients of ionic liquids in water and methanol: a combined experimental and molecular dynamics study. (2011) (37)
- A Comparative In Situ HP‐FTIR Spectroscopic Study of Bi‐ and Monodentate Phosphite‐Modified Hydroformylation (2010) (37)
- How does water bind to metal surfaces: hydrogen atoms up or hydrogen atoms down? (2003) (36)
- tert-Butylphosphonic acid: from the bulk to the gas phase. (2003) (35)
- Revisiting imidazolium based ionic liquids: Effect of the conformation bias of the [NTf2] anion studied by molecular dynamics simulations. (2017) (35)
- Model‐free multivariate curve resolution combined with model‐based kinetics: algorithm and applications (2012) (34)
- Collective contributions to the dielectric relaxation of hydrogen-bonded liquids. (2004) (33)
- Comparison of force fields on the basis of various model approaches--how to design the best model for the [CnMIM][NTf2] family of ionic liquids. (2013) (33)
- Hexamers: from covalently bound organic structures to hydrogen bonded water clusters. (2000) (33)
- Raman spectroscopic investigation of small matrix-isolated lithium clusters (2003) (32)
- The double-faced nature of hydrogen bonding in hydroxyl-functionalized ionic liquids shown by neutron diffraction and molecular dynamics simulations. (2019) (32)
- Isotopic quantum effects in liquid methanol. (2005) (30)
- Hydrogen Bonding Between Ions of Like Charge in Ionic Liquids Characterized by NMR Deuteron Quadrupole Coupling Constants—Comparison with Salt Bridges and Molecular Systems (2019) (30)
- Quantum cluster equilibrium theory of liquids part I: Molecular clusters and thermodynamics of liquid ammonia (1998) (29)
- Light to Hydrogen: Photocatalytic Hydrogen Generation from Water with Molecularly-Defined Iron Complexes (2017) (29)
- The importance of tetrahedrally coordinated molecules for the explanation of liquid water properties. (2007) (28)
- Quantum cluster equilibrium theory of liquids part II: Temperature dependent chemical shifts, quadrupole coupling constants and vibrational frequencies in liquid ammonia (1998) (28)
- Improving antibacterial activity of phosphomolybdic acid using graphene (2017) (28)
- Characterization of Doubly Ionic Hydrogen Bonds in Protic Ionic Liquids by NMR Deuteron Quadrupole Coupling Constants: Differences to H-bonds in Amides, Peptides, and Proteins. (2017) (28)
- The effect of neutral ion aggregate formation on the electrical conductivity of an ionic liquid and its mixtures with chloroform. (2012) (27)
- Trivalent lanthanide and actinide extraction by calixarenes with different ring sizes and different molecular flexibility (2000) (26)
- Site Selective Synthesis of Pentaarylpyridines via Multiple Suzuki–Miyaura Cross‐Coupling Reactions (2014) (26)
- The dissolution of polyols in salt solutions and ionic liquids at molecular level: ions, counter ions, and hofmeister effects. (2013) (26)
- Predicting the Ionic Product of Water (2017) (26)
- Die Bedeutung von Wasserstoffbrücken für die Struktur ionischer Flüssigkeiten – Einkristall‐Röntgenstrukturanalyse sowie Transmissions‐ und ATR‐Spektroskopie im Terahertz‐Bereich (2010) (26)
- An operando FTIR spectroscopic and kinetic study of carbon monoxide pressure influence on rhodium-catalyzed olefin hydroformylation. (2014) (26)
- Investigation into the Equilibrium of Iridium Catalysts for the Hydroformylation of Olefins by Combining In Situ High-Pressure FTIR and NMR Spectroscopy (2014) (26)
- Niederfrequente Schwingungsmoden protischer geschmolzener Salze und ionischer Flüssigkeiten: Nachweis und Quantifizierung von Wasserstoffbrücken† (2012) (25)
- Small magnesium clusters: between van der waals and valence bonds. (2010) (25)
- Verstehen wir die Flüchtigkeit ionischer Flüssigkeiten (2007) (25)
- Preparation and crystal structure of tetraphenylphosphonium triiodotetrabromide [PPh4][I3Br4]. (2001) (24)
- Water Vibrational Bands as a Polarity Indicator in Ionic Liquids (2006) (24)
- Like‐likes‐Like: Cooperative Hydrogen Bonding Overcomes Coulomb Repulsion in Cationic Clusters with Net Charges up to Q=+6e (2018) (24)
- Novel acridine-based thiosemicarbazones as ‘turn-on' chemosensors for selective recognition of fluoride anion: a spectroscopic and theoretical study (2018) (24)
- Salt effects on the structure of water probed by attenuated total reflection infrared spectroscopy and molecular dynamics simulations. (2008) (24)
- Hydronium Ion Complex of 18-Crown-6: Theory Confirms Three “Normal” Linear Hydrogen Bonds (2004) (24)
- Hydrogen bonding in protic ionic liquids: structural correlations, vibrational spectroscopy, and rotational dynamics of liquid ethylammonium nitrate (2017) (23)
- Der Einfluss von Wasserstoffbrückendefekten auf die Eigenschaften ionischer Flüssigkeiten (2011) (23)
- Orthometallierung in Eisen(0)‐Tribenzylphosphan‐Komplexen: aktivere Homogenkatalysatoren für die Wasserstofferzeugung aus Ameisensäure (2010) (23)
- Effective O‐17 quadrupole moments for the calibrated computation of quadrupole coupling parameters at different levels of theory (1996) (23)
- Controlling the kinetic and thermodynamic stability of cationic clusters by the addition of molecules or counterions. (2017) (22)
- Complex formation of isocytosine tautomers with PdII and PtII. (2004) (22)
- Applying the inductive effect for synthesizing low-melting and low-viscosity imidazolium-based ionic liquids. (2009) (22)
- Quantum cluster equilibrium theory of liquids: light and heavy QCE/3-21G model water (2000) (22)
- Secondary Phosphane Oxides as Preligands in Rhodium‐Catalyzed Hydroformylation (2010) (21)
- Spectroscopic and density functional theory studies of 7-hydroxy-3'-methoxyisoflavone: A new isoflavone from the seeds of Indigofera heterantha (Wall). (2015) (21)
- Investigation of an H-bonded dimer: Calculations of bonding structures and temperature dependence of the librational substructure of the OH-stretching band (1999) (21)
- Molecular composition of liquid sulfur. (2002) (21)
- Synthesis of substituted β-lactones by a Reformatsky reaction of carbonyl compounds, phenyl α-bromoalkanoates, and indium (1995) (21)
- Understanding the dissolution of polyols by ionic liquids using the example of a well-defined model compound. (2011) (21)
- Isolation, spectroscopic and density functional theory studies of 7-(4-methoxyphenyl)-9H-furo[2,3-f]chromen-9-one: a new flavonoid from the bark of Millettia ovalifolia. (2015) (21)
- N-Methylacetamide/water clusters in a hydrophobic solvent (2004) (20)
- Synthesis of .alpha.,.alpha.,.beta.,.beta.-Tetrasubstituted .beta.-Lactones from Ketones, Ethyl .alpha.-Bromoisobutyrate, and Indium or Zinc. Factors Influencing the .beta.-Lactone Formation in the Electrochemical and the Classical Procedure of the Reformatsky Reaction (1994) (20)
- When hydrogen bonding overcomes Coulomb repulsion: from kinetic to thermodynamic stability of cationic dimers. (2019) (20)
- Ionenspezies in Mischungen aus protischen ionischen Flüssigkeiten und Wasser: Übergang von Kontakt‐ zu solvensseparierten Ionenpaaren (2013) (19)
- Controlling "like-likes-like" charge attraction in hydroxy-functionalized ionic liquids by polarizability of the cations, interaction strength of the anions and varying alkyl chain length. (2020) (19)
- Ionic Liquids in Synthesis. Edited by Peter Wasserscheid and Tom Welton. (2008) (19)
- Small Potassium Clusters. (1998) (19)
- Quantum Cluster Equilibrium Theory of Liquids: Isotopically substituted QCE/3-21G Model Water (2002) (19)
- Formation of "quasi" contact or solvent-separated ion pairs in the local environment of probe molecules dissolved in ionic liquids. (2014) (18)
- Anziehung gleich geladener Ionen in ionischen Flüssigkeiten: Kontrolle der Bildung kationischer Cluster über die Wechselwirkungsstärke der Gegenionen (2017) (18)
- Deuteron quadrupole coupling constants and reorientational correlation times in protic ionic liquids. (2016) (18)
- 1‐(Arylalkenyl)pyrenes – Synthetic, Structural, Photophysical, Theoretical, and Electrochemical Investigations (2011) (18)
- First row transition metals decorated boron phosphide nanoclusters as nonlinear optical materials with high thermodynamic stability and enhanced electronic properties; A detailed quantum chemical study (2021) (17)
- Rotational and translational dynamics and their relation to hydrogen bond lifetimes in an ionic liquid by means of NMR relaxation time experiments and molecular dynamics simulation. (2018) (17)
- Dynamics of methanol in ionic liquids: validity of the Stokes-Einstein and Stokes-Einstein-Debye relations. (2014) (17)
- Energetik der Anion‐Kation‐Wechselwirkung in protischen ionischen Flüssigkeiten (2013) (17)
- Electrochemically supported Reformatskii reaction: a convenient preparation of 2-substituted 1-ethyl 3-oxoalkanedioates (1992) (17)
- A simple guiding principle for the temperature dependence of the solubility of light gases in imidazolium-based ionic liquids derived from molecular simulations. (2015) (16)
- Dynamical heterogeneities in ionic liquids as revealed from deuteron NMR. (2018) (16)
- The influence of like-charge attraction on the structure and dynamics of ionic liquids: NMR chemical shifts, quadrupole coupling constants, rotational correlation times and failure of Stokes-Einstein-Debye. (2018) (16)
- The Influence of Water on the Solubility of Carbon Dioxide in Imidazolium Based Ionic Liquids (2013) (16)
- Formation of the magic cluster Na8 in noble gas matrixes. (2002) (16)
- Nuclear magnetic resonance relaxation, permittivity, viscosity and ultrasonic velocity measurements in binary mixtures of methanol and tetrahydrofuran (1993) (16)
- Einblicke in den Mechanismus der photokatalytischen Wasserreduktion durch DFT‐gestützte In‐situ‐EPR/Raman‐Spektroskopie (2011) (15)
- Understanding the Nature of Nuclear Magnetic Resonance Relaxation by Means of Fast-Field-Cycling Relaxometry and Molecular Dynamics Simulations - the Validity of Relaxation Models. (2020) (15)
- Cooperatively enhanced hydrogen bonds in ionic liquids: closing the loop with molecular mimics of hydroxy-functionalized cations. (2019) (15)
- Solvophobic solvation and interaction of small apolar particles in imidazolium-based ionic liquids. (2008) (15)
- Solvent dependent asymmetric hydrogenation with self-assembled catalysts: a combined catalytic, NMR- and IR-study. (2009) (15)
- The mechanism of the molecular reorientation in water. (2007) (15)
- Influence of Hydrogen Bonding Between Ions of Like Charge on the Ionic Liquid Interfacial Structure at a Mica Surface. (2019) (15)
- Dissecting the Vaporization Enthalpies of Ionic Liquids by Exclusively Experimental Methods: Coulomb Interaction, Hydrogen Bonding, and Dispersion Forces. (2019) (15)
- Mechanistic Study of Photocatalytic Hydrogen Generation with Simple Iron Carbonyls as Water Reduction Catalysts (2016) (14)
- Wasser: Anomalien und Rätsel (2005) (14)
- Nonlinear optical response of first-row transition metal doped Al12P12 nanoclusters; a first-principles study (2021) (14)
- Ionic liquids: the fundamentals and forces driving their rise. (2012) (14)
- Receptor‐Spacer‐Fluorophore Based Coumarin‐Thiosemicarbazones as Anion Chemosensors with “Turn on” Response: Spectroscopic and Computational (DFT) Studies (2018) (14)
- Fluorescence Studies of Host–Guest Interaction of a Dansyl Amide Labelled Calix[6]arene (2006) (14)
- Hydroxy-substituted oligosilane dendrimers: controlling the electronic properties through hydrogen bonding. (2006) (14)
- Acridinedione as selective flouride ion chemosensor: a detailed spectroscopic and quantum mechanical investigation (2018) (14)
- Vibrational dephasing in ionic liquids as a signature of hydrogen bonding. (2015) (13)
- Lehrmeinung widerlegt: Kohlensäure überraschend stabil (2000) (13)
- TRIFLUOROSULFITE ANION, SOF3- (1999) (13)
- The puzzling properties of supercooled and glassy water. (2006) (13)
- In Situ FTIR and NMR Spectroscopic Investigations on Ruthenium-Based Catalysts for Alkene Hydroformylation. (2016) (13)
- Ionic liquids can be more hydrophobic than chloroform or benzene. (2012) (13)
- Mechanistic Insights into the Electrochemical Reduction of CO2 Catalyzed by Iron Cyclopentadienone Complexes (2018) (13)
- NMR relaxation in binary aqueous mixtures of acetone and tetrahydrofurane (1992) (13)
- Protonated water clusters: the third dimension. (2004) (12)
- Novel Synthesis of Tetrasubstituted β‐Lactones: The Use of Indium in the Electrochemically Supported Reformatsky Reaction (1993) (12)
- Raman Spectroscopic Investigation of Matrix Isolated Rubidium and Cesium Molecules: Rb(2), Rb(3), Cs(2), and Cs(3)(,)(1). (1999) (11)
- Tetramethylammonium Difluorobromate(I), (CH3)4N+BrF2- (1997) (11)
- Effect of Hydrogen Bonding between Ions of Like Charge on the Boundary Layer Friction of Hydroxy-Functionalized Ionic Liquids. (2020) (11)
- Novel quinoxaline based chemosensors with selective dual mode of action: nucleophilic addition and host–guest type complex formation (2016) (11)
- Die Bildung von Wasserclustern in einem hydrophoben Lösungsmittel (2003) (11)
- Steuerung der subtilen Energiebalance in protischen ionischen Flüssigkeiten: Dispersionskräfte im Wettstreit mit Wasserstoffbrücken (2015) (11)
- Chain Length Dependence of Hydrogen Bond Linkages between Cationic Constituents in Hydroxy-Functionalized Ionic Liquids: Tracking Bulk Behavior to the Molecular Level with Cold Cluster Ion Spectroscopy. (2020) (11)
- Gas hydrates model for the mechanistic investigation of the Wittig reaction “on water” (2016) (11)
- Inorganic electrides of alkali metal doped Zn12O12 nanocage with excellent nonlinear optical response. (2021) (11)
- Gleichgewicht zwischen Kontakt‐ und solvensseparierten Ionenpaaren in Mischungen von protischen ionischen Flüssigkeiten und molekularen Lösungsmitteln durch Polarität kontrolliert (2013) (11)
- Temperature and concentration effects on the solvophobic solvation of methane in aqueous salt solutions. (2008) (10)
- CORRELATION TIMES AND QUADRUPOLE COUPLING CONSTANTS IN NEAT, LIQUID FORMAMIDE (1995) (10)
- The Relation between Vaporization Enthalpies and Viscosities: Eyring's Theory Applied to Selected Ionic Liquids. (2017) (10)
- Rotational correlation times, diffusion coefficients and quadrupolar peaks of the protic ionic liquid ethylammonium nitrate by means of 1H fast field cycling NMR relaxometry (2021) (10)
- Berechnung clathratähnlicher Wassercluster einschließlich eines Wasser‐Buckminsterfullerens (2005) (10)
- Site‐Selective Sonogashira Reactions of 1,4‐Dibromo‐2‐fluorobenzene – Synthesis and Properties of Fluorinated Alkynylbenzenes (2012) (10)
- Diferrate [Fe2 (CO)6 (μ-CO){μ-P(aryl)2 }]- as Self-Assembling Iron/Phosphor-Based Catalyst for the Hydrogen Evolution Reaction in Photocatalytic Proton Reduction-Spectroscopic Insights. (2018) (9)
- COVID‐19 und Immunregulation – von grundlegenden und translationalen Aspekten zu klinischen Implikationen (2020) (9)
- Dispersion und Wasserstoffbrücken bestimmend – Warum die Verdampfungsenthalpien von aprotischen größer als die von protischen ionischen Flüssigkeiten sind (2016) (9)
- Kinetics of Hydrogen Bonding between Ions with Opposite and Like Charges in Hydroxyl-Functionalized Ionic Liquids. (2020) (9)
- Quasi-Universal Solubility Behavior of Light Gases in Imidazolium-Based Ionic Liquids with Varying Anions: A Molecular Dynamics Simulation Study. (2021) (9)
- Counting cations involved in cationic clusters of hydroxy-functionalized ionic liquids by means of infrared and solid-state NMR spectroscopy. (2020) (9)
- Inside Cover: Estimating Enthalpies of Vaporization of Imidazolium‐Based Ionic Liquids from Far‐Infrared Measurements (ChemPhysChem 8/2010) (2010) (9)
- SYNTHESIS AND CHARACTERIZATION OF TETRAMETHYLAMMONIUM CYANOSULFITE, (CH3)4N+SO2CN- (1999) (9)
- Theoretical mechanistic investigation of zinc(II) catalyzed oxidation of alcohols to aldehydes and esters (2016) (9)
- Neue Triazolinthione durch Kohlenwasserstoff-Eliminierung aus tetrasubstituierten Triazolidinthionen (1989) (9)
- Druck- und Salzeffekte in simuliertem Wasser: zwei Seiten einer Medaille?† (2007) (9)
- An Efficient Approach to β-Oxoadipate Derivatives and γ-Oxo Acids by the Reformatsky Reaction of Ethyl α-Bromoalkanoates with Succinic Anhydride (1992) (9)
- Trifluoromethyl Hypobromite, CF3OBr† (1997) (8)
- The Anisotropy of the Molecular Reorientational Motions in Liquid Methanol (1995) (8)
- Isolating the role of hydrogen bonding in hydroxyl-functionalized ionic liquids by means of vaporization enthalpies, infrared spectroscopy and molecular dynamics simulations. (2019) (8)
- Crystal structure of IO(2)F. (2001) (8)
- Efficient Synthesis of Arylated Flavones by Site-Selective Suzuki-Miyaura Cross-Coupling Reactions of the Bis(triflate) of 5,7- and 7,8-Dihydroxyflavone. (2012) (8)
- Comparing the void space and long-range structure of an ionic liquid with a neutral mixture of similar sized molecules (2020) (8)
- Synthesis, X-ray crystal structure and spin polarized DFT study of high spin Mn based metal-organic framework (2019) (8)
- Quantification and understanding of non-covalent interactions in molecular and ionic systems: Dispersion interactions and hydrogen bonding analysed by thermodynamic methods (2021) (8)
- Ionenabhängige Struktur und Dynamik von Wassermolekülen jenseits der ersten Hydrathülle (2011) (8)
- The Effect of Additives on the Viscosity and Dissolution of Cellulose in Tetrabutylphosphonium Hydroxide. (2019) (8)
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- Synthesis and Characterization of Novel Iodine(III) Compounds; Crystal Structures of Methoxy(trifluoromethyl)iodine(III) Chloride [CF3I(Cl)OCH3] and Dimethoxy(trifluoromethyl)iodine(III) [CF3I(OCH3)2] (2000) (8)
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- Advancing into water's "no man's land": two liquid states? (2014) (7)
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- Das Transportverhalten hydratisierter Hydroxid‐Ionen in Wasser (2003) (6)
- Hydroxysubstituierte Oligosilandendrimere – Kontrolle der elektronischen Eigenschaften durch Wasserstoffbrücken (2006) (6)
- Cyclization of 1,4‐Phenylenediacrylic Acid with Thionyl Chloride and Subsequent Suzuki–Miyaura Reactions Revisited. The Products are Benzo[1,2‐b;5,6‐b′]dithiophenes and not Benzo[1,2‐b;4,5‐b′]dithiophenes (2012) (6)
- Dissecting intermolecular interactions in the condensed phase of ibuprofen and related compounds: the specific role and quantification of hydrogen bonding and dispersion forces. (2020) (6)
- Neuartige Synthese tetrasubstituierter β‐Lactone: die Verwendung von Indium in der elektrochemisch unterstützten Reformatsky‐Reaktion (1993) (6)
- INVESTIGATIONS ON THE INFLUENCE OF GUEST MOLECULE CHARACTERISTICS AND THE PRESENCE OF MULTICOMPONENT GAS MIXTURES ON GAS HYDRATE PROPERTIES (2008) (6)
- Syntheses, Dynamic Stereochemistry, and Unusual Reactivity of Intramolecularly Coordinated Organotin Fluorides (1999) (6)
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- Darstellung und Kristallstruktur des TetramethylammoniumthiocyanatSchwefeldioxid‐Adduktes, (CH3)4N+SCN– · SO2 (2000) (6)
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- The Effects of Temperature and H/D Isotopic Dilution on the Transmission and Attenuated Total Reflection FTIR Spectra of Water (2009) (5)
- Zur Chemoselektivität der Reaktion von 2,4-disubstituierten Thiosemicarbaziden mit Carbonylverbindungen — eine neue Synthese von Triazolidin-3-thionen (2010) (5)
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- Hydrogen Bonds between Ions of Opposite and Like Charge in Hydroxyl-Functionalized Ionic Liquids: an Exhaustive Examination of the Interplay between Global and Local Motions and Intermolecular Hydrogen Bond Lifetimes and Kinetics. (2021) (5)
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- The co-crystal of copper(II) phenanthroline chloride complex hydrate with p-aminobenzoic acid: structure, cytotoxicity, thermal analysis, and DFT calculation (2021) (5)
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- Cyclic Octamer of Hydroxyl‐functionalized Cations with Net Charge Q=+8e Kinetically Stabilized by a ‘Molecular Island’ of Cooperative Hydrogen Bonds (2020) (2)
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- Die zweigesichtige Natur der Wasserstoffbrückenbindung in hydroxylfunktionalisierten ionischen Flüssigkeiten, offenbart durch Neutronendiffraktometrie und Molekulardynamik‐Simulation (2019) (2)
- Inside Cover: Volatile Times for the Very First Ionic Liquid: Understanding the Vapor Pressures and Enthalpies of Vaporization of Ethylammonium Nitrate (Chem. Eur. J. 37/2014) (2014) (2)
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- Struktur und Eigenschaften von Methyltrifluorphosphoran CH3PF3HProfessor Dieter Naumann zum 60. Geburtstag gewidmet (2002) (1)
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- Zerlegung der Verdampfungsenthalpien ionischer Flüssigkeiten durch rein experimentelle Methoden: Coulomb‐Wechselwirkung, Wasserstoffbrücken und Dispersionskräfte (2019) (1)
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- The Puzzling Properties of Supercooled and Glassy Water (2006) (1)
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- Inside Cover: Characterization of Doubly Ionic Hydrogen Bonds in Protic Ionic Liquids by NMR Deuteron Quadrupole Coupling Constants: Differences to H‐bonds in Amides, Peptides, and Proteins (Angew. Chem. Int. Ed. 45/2017) (2017) (0)
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- Book Review: Encyclopedia of Chemical Physics and Physical Chemistry. Vols. 1–3. Edited by John H. Moore and Nicholas D. Spencer (2002) (0)
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- How Like-Charge Attraction Influences the Mobility of Cations in Hydroxyl-Functionalized Ionic Liquids. (2023) (0)
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- Application of Enolates of Activated Carboxylic Acid Derivatives in Organic Synthesis ‐ Novel Syntheses of β‐Lactones (1997) (0)
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- Titelbild: Herstellung von Clathrat‐Hydraten im Verlauf einer Unterrichtsstunde (CHEMKON 2/2017) (2017) (0)
- 3-Pyrenylacrylates: Synthetic, Photophysical, Theoretical and Electrochemical Investigations (2013) (0)
- 6 Spin Relaxation in Liquids and Gases (2004) (0)
- 1 0 N ov 2 01 7 Revisiting Imidazolium Based Ionic Liquids : Effect of the Conformation Bias of the [ NTf 2 ] Anion Studied By Molecular Dynamics Simulations (2018) (0)
- Raman Matrix Isolation Spectroscopy. Part 7. Small Potassium Clusters. (1998) (0)
- Cover Feature: Like‐likes‐Like: Cooperative Hydrogen Bonding Overcomes Coulomb Repulsion in Cationic Clusters with Net Charges up to Q =+6 e (ChemPhysChem 14/2018) (2018) (0)
- Hydrogen bond redistribution effects in mixtures of protic ionic liquids sharing the same cation: non-ideal mixing with large negative mixing enthalpies. (2022) (0)
- Organspezifisches Ansprechen auf systemische und lokale Behandlungsmodalitäten bei Patienten mit metastasiertem Melanom (2004) (0)
- Clusters of Like-Charged Ions “ Like-Likes-Like ” (2018) (0)
- Nuclear Magnetic Relaxation Study of the System Methanol/Water/Lithium Chloride (1997) (0)
- Cover Picture: Towards a Quantitative Understanding of Protein Hydration and Volumetric Properties / Intrinsic Volumetric Properties of Trialanine Isomers in Aqueous Solution / Temperature and Concentration Effects on the Solvophobic Solvation of Methane (2008) (0)
- Nuclear spin relation in liquids and gases (2001) (0)
- Web Site: Great Waterworld (2002) (0)
- P02/01 Das Risiko für Kreuzreaktionen bei Typ IV Allergien gegenüber s.c. Heparinpräparationen: Eine systematische Übersichtsarbeit (2011) (0)
- In Rostock: 55. Symposium für Theoretische Chemie (2020) (0)
- Abflussbildung, Schneedynamik und photosynthetische Aktivität in subalpinen Höhenlagen: Instrumentierung und Analyse für den Dreisäulerbach in den Ammergauer Alpen (2016) (0)
- Reactions of Electrochemically Generated Organometallics. Part 2. Use of Zinc, Tin, Aluminum, Indium, and Iron as Sacrificial Anodes in the Electrochemically Assisted Reformatsky Reaction of Ethyl 2- Bromoalkanoates with Succinic Anhydride. (1993) (0)
- 85/m mit Blasen am gesamten Integument (2018) (0)
- Endotheliales P-Selektin als Zielstruktur von Heparinwirkungen bei der Hemmung experimenteller Melanommetastasen der Lunge (2003) (0)
- Ionische Flüssigkeit mit eingebautem Farbstoff zeigt große Stokes‐Verschiebung (2017) (0)
- Kapitel 1 – Grundlagen (2007) (0)
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What Schools Are Affiliated With Ralf Ludwig?
Ralf Ludwig is affiliated with the following schools:
