J. Michael Hollas

J. Michael Hollas's AcademicInfluence.com Rankings

J. Michael Hollas

Chemistry

#4285

World Rank

#5354

Historical Rank

Physical Chemistry

#637

World Rank

#690

Historical Rank

chemistry Degrees

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Chemistry

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J. Michael Hollas's Published Works

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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

High Resolution Spectroscopy (1982) (240)
Modern Spectroscopy (1936) (204)
Jet spectroscopy and molecular dynamics (1995) (152)
The Spectra and Structure of Simple Free Radicals (1972) (94)
Interpretation of rotational constants of the first singlet excited state of substituted benzenes in terms of molecular geometry (1970) (91)
THE ABSORPTION SPECTRA OF HNO AND DNO (1962) (91)
Rotational band contours in the 2938 Å electronic system of aniline (1969) (85)
THE 1600 Å BAND SYSTEM OF AMMONIA (1961) (83)
Near ultra-violet spectra of the s-trans and a second rotamer of acrolein vapour (1971) (80)
The NH2-inversion potential function in the Ã1b2 electronic state of aniline: Evidence for planarity (1983) (76)
Vapour-phase ultra-violet absorption spectra of indene, indole, coumarone and thionaphthene (1963) (76)
The electronic absorption spectrum of acrolein vapour (1963) (68)
A high resolution investigation of the visible absorption spectrum of p-benzoquinone-H4 and -D4 (1964) (63)
The near ultra-violet absorption spectrum of tropolone vapour (1973) (60)
The C(1)-C(α) torsional potential function in the ground electronic state of styrene obtained from the single vibronic level fluorescence and other spectra (1980) (59)
The 370-nm electronic spectrum of tropolone: Evidence from single vibronic level fluorescence spectra regarding the assignment of some vibrational fundamentals in the X̃ and Ã states (1985) (58)
Vibrational assignments in the 288 nm Ã1A′-X̃1A′ electronic absorption spectrum of styrene: New information on the C(1)-C(α) torsional vibrational levels in the ground electronic state of styrene, styrene-β-D2, and p-fluorostyrene (1978) (55)
The Ã1A′-X̃1A′ single vibronic level fluorescence and Raman spectra of styrene-β-D2 vapor and their use in determining the C(1)-C(α) torsional potential function in the X̃ state (1982) (55)
Rotational band contour analysis in the 2710 Å system of p-difluorobenzene (1970) (53)
The near ultra-violet spectrum of tropolone vapour and its relevance to the molecular structure. I. Rotational band contour analysis (1972) (53)
Rotational band contour analysis in the 2700 Å system of chlorobenzene (1970) (51)
Allowed and Forbidden Character in the 3715‐Å π* ←n System of Benzaldehyde (1968) (48)
Frontiers of Laser Spectroscopy of Gases (1988) (48)
The Ã1A′-X̃1A′ single vibronic level fluorescence spectrum of styrene vapor (1981) (45)
Rotational band contours in electronic spectra of large asymmetric top molecules: the 2750 Å system of phenol (1968) (45)
Single-vibronic–level fluorescence spectra of aniline and aniline–argon clusters in a supersonic jet (1988) (45)
Rotational band contour analysis in the 3120 Å system of naphthalene (1971) (44)
Geometry of cyanogen halide positive ions from photoelectron spectroscopy (1971) (43)
The fluorescence spectrum of naphthalene vapor in the 3100A region (1962) (39)
Supersonic jet fluorescence and gas phase absorption spectra of indan: Puckering potential in S0 and S1 (1991) (34)
Analysis of the naphthalene vapour absorption bands at 3200Å. I. Naphthalene h-8 (1961) (33)
Basic Atomic and Molecular Spectroscopy (2002) (32)
Band contour analyses of the spectra of asymmetric rotor molecules: Part III. The 3200-Å absorption of napthalene (1965) (32)
Geometry of C2N2 + and HCN+ from low-energy photoelectron spectroscopy (1972) (30)
The C(1)-C(α) torsional potential function of 2-fluorostyrene from S1-S0 fluorescence in a supersonic jet (1989) (28)
The geometry of the ground state of C2H2 + from photoelectron spectroscopy compared with that of C2H2 in some Rydberg states (1971) (28)
Electronic assignment as 1 A′(ππ*)-1 A′ of the 2980 Å system of 2-aminopyridine by rotational band contour analysis (1970) (27)
A partial analysis of rotational structure in the 2710 Å system of p-fluorotoluene (1971) (27)
Supersonic jet fluorescence spectroscopy of 1,3-benzodioxole: A non-planar (C2) structure in S0 (1989) (27)
Evidence for two rotational isomers of 1-naphthol and 2-naphthol from their gas-phase electronic absorption spectra (1988) (26)
Upper Limit to the Intensity of the 3400 A Singlet‐Triplet Absorption in Benzene (1958) (26)
5350‐Å Singlet‐Triplet Transition in p‐Benzoquinone (1965) (26)
Rotational band contour analysis in the 2760 Å system of p-chlorofluorobenzene (1970) (25)
The 271-nm electronic spectrum of indane (benzocyclopentene): Rotational band contour analysis and investigation of puckering in the five-membered ring (1977) (25)
Vibrational assignments for styrene-β-D2 from the infrared and Raman spectra (1978) (23)
Computed band envelopes for electronic and vibrational spectra of large symmetric top molecules (1966) (23)
Assignment of the S1-S0 electronic absorption spectra of 7-azaindole and 1-azaindolizine as π∗-π by rotational band contour analysis (1989) (22)
Rotational band contour analysis of the O0 0 bands of the Ã 1 A′-X 1 A′ electronic systems of p-fluoro- and p-chlorostyrene: Hybrid character and geometry changes (1973) (22)
Determination of the equilibrium conformation in molecules with a dominant V6 term in the torsional potential (1989) (22)
Rotational band contour analysis in the Ã 1 A′-[Xtilde] 1 A′ electronic systems of substituted naphthalenes: I. 2-Fluoro-, 2-hydroxy- and 2-aminonaphthalene (1973) (20)
The ground and first excited singlet state torsional potentials of 2-phenylindole from supersonic jet fluorescence spectra (1997) (20)
Non-planar (C2) structure of phthalan from fluorescence spectroscopy in a supersonic jet (1990) (19)
Explanation of some unusual intensity distributions along sequences in the p-benzoquinone visible spectrum (1966) (18)
Rotational band contour analyses in the 3062 Å system of p-fluoroaniline and the 2847 Å system of p-fluorophenol (1970) (18)
Symmetry in molecules (1972) (18)
Rotational band contour analysis in the 2800 Å system of p-dichlorobenzene (1970) (17)
The electronic emission spectrum of benzaldehyde vapour (1973) (17)
The C(1)-C(α) torsional potential function of cis- and trans-3-fluorostyrene by supersonic jet spectroscopy (1989) (16)
Herzberg–Teller intensity stealing in the 279-nm system of phenylacetylene: Evidence from single vibronic level fluorescence spectra (1984) (16)
Rotational band contours in the 5000 Å 1 B 1g -1 Ag electronic system of p-benzoquinone (1969) (15)
Rotational contour analysis of the 000 band of the A 1Au–X1Ag electronic transition of trans-oxalyl fluoride (1990) (15)
C(1)-C(.alpha.) Torsion Potential Function and Vibrational Assignments of trans-.beta.-Methylstyrene from S1-S0 Supersonic Jet Fluorescence Spectra (1995) (14)
Vibrational analysis of the near ultraviolet spectrum of 2,1,3- benzothiadiazole and the analogous spectra of benzofurazan and 2,1,3-benzoselenadiazole (1969) (14)
The 352 nm absorption spectrum of difluorodiazirine (1974) (13)
Molecular conformation and potentials for out‐of‐plane ring vibrations in the S0 and S1 electronic states of 1,4‐benzodioxan from supersonic‐jet fluorescence and high‐resolution absorption measurements (1993) (13)
The A˜1A′−X˜1A′ absorption and single vibronic level fluorescence spectra of 2-aminopyridine (1984) (13)
Determination of molecular conformation from large amplitude vibrations in electronic spectra of organic molecules in a supersonic jet (1993) (12)
Methyl and vinyl torsional potentials in cis- and trans-3-methylstyrene from supersonic jet fluorescence spectra (1991) (11)
Evidence from the gas-phase electronic absorption spectra of catechol borane, phthalan, 1,3-benzodioxole, and coumaran regarding the geometry of the five-membered ring (1979) (11)
The geometries of the X̃ and Ã states of N2O+ from photoelectron spectroscopy compared with those derived from the emission spectrum (1973) (11)
S1–S0 electronic absorption and supersonic-jet fluorescence spectra of catecholborane: puckering potential for the five-membered ring (1990) (10)
Vinyl torsional potential function of 4-fluorostyrene in the S0 electronic state from electronic absorption and supersonic jet fluorescence spectroscopy (1991) (10)
Progress in electronic spectroscopy of large molecules (1998) (10)
Rydberg transitions of H2Se (1977) (9)
CF3 torsional potentials in the S0 and S1 electronic states of 3-aminobenzotrifluoride (1991) (9)
S1-S0 electronic absorption and supersonic-jet fluorescence spectra of 1,4-benzodioxan (1993) (9)
Methyl and vinyl torsional potential functions in 4-methylstyrene from supersonic jet fluorescence spectroscopy (1990) (9)
Electronic spectra of large molecules (1973) (9)
The Ã1A1-X̃1A1 two-photon fluorescence excitation spectrum of 1,2-difluorobenzene (1983) (8)
The Ã1B2-X̃1A1 two-photon fluorescence excitation spectrum of 1,3-difluorobenzene (1983) (8)
Discovery of two rotational isomers of 4-methoxystyrene by laser-induced fluorescence in a supersonic jet (1995) (8)
The CH2Cl torsional barrier of benzyl chloride studied by gas-phase absorption spectroscopy and ab initio calculations (1989) (8)
Supersonic jet fluorescence spectra of 4-methylstyrene: Ground state vibration wavenumbers and improved torsional potential functions (1992) (7)
CF3 torsional potentials and bending—torsion interaction in the S0 and S1 electronic states of 4-aminobenzotrifluoride (1991) (7)
Rotational and vibrational temperatures of naphthalene in a naphthalene-argon supersonic jet (1982) (7)
Analysis of the naphthalene vapour absorption bands at 3200 Å. II. Naphthalene d-8 (1961) (7)
Duschinsky effect caused by herzberg—teller vibronic coupling of two b2 vibrations in the S1S0 systems of benzonitrile and phenylacetylene (1985) (7)
The A˜1A′−X˜1A′ absorption and single vibronic level fluorescence spectra of some deuterated 2-aminopyridines (1984) (7)
The Ã 1B2u-X̃1Ag electronic absorption spectrum of 1,2,4,5-tetrafluorobenzene: Rotational band contour and vibrational analysis relating to non-planarity in the Ã state (1988) (6)
The 291-nm band system of 3-fluorostyrene: ground state vibrational assignments for the cis and trans rotamers from their supersonic jet spectra (1989) (6)
Rotational band contour analysis in the Ã1A′-[Xtilde]1A′ electronic systems of substituted naphthalenes (2006) (6)
S1–So supersonic jet fluorescence spectra of trans-2-methylstyrene : an out-of-plane vinyl group in So (1991) (6)
Rotational band contours in the 3280 Å electronic system of 2, 1, 3-benzothiadiazole (1969) (4)
Vibration Wavenumbers of 2-Aminobenzotrifluoride in the Ground and S1 Electronic States from Its Infrared, Raman, and Supersonic Jet S1-S0 Fluorescence Spectra (1991) (4)
The 330-nm S1-S0 electronic spectrum of 1-pyrazoline: Probable hindered pseudorotation in S1 and confirmation of the ring-puckering potential function in S0 by single vibronic level fluorescence spectroscopy (1984) (4)
The cis and trans rotational isomers of 3-fluorostyrene. What is the energy difference between them ? (1994) (4)
Rotational band contour analysis of the 281-nm origin band of the S1-S0 system of 1,4-benzodioxan (1992) (4)
The 352 nm emission spectrum of difluorodiazirine (1975) (4)
CF3-torsional potentials of 2-aminobenzotrifluoride in the S0 and S1 electronic states from fluorescence spectra in a supersonic jet (1993) (4)
What is spectroscopy (2002) (3)
Single-Vibronic-Level Fluorescence Spectra of 1,4-Benzodioxan in a Supersonic Jet (1994) (3)
7 – Photoelectron spectroscopy (1982) (3)
Rotational contour analysis of bands in the 313 nm electronic spectrum of isoquinoline: Evidence for ππ* character and coriolis coupling (1989) (3)
Molecular Structure from Rotational and Vibrational Transitions in Electronic Spectra (1993) (2)
The 291-nm band system of 3-fluorostyrene: Gas-phase absorption and single vibronic level fluorescence spectra (1989) (2)
Vibration wavenumbers of 4-aminobenzotrifluoride in the ground and S1 electronic states from its supersonic jet S1-S0 fluorescence, infrared, and Raman spectra (1991) (2)
Rotational band contour analysis in the 280 nm system of p -dibromobenzene (1975) (2)
THE A1A′- X1A′ ABSORPTION AND SINGLE VIBRONIC LEVEL FLUORESCENCE SPECTRA OF 2-AMINOPYRIDINE (1984) (1)
Evidence for Two Rotational Isomers of 1-Naphthol and 2-Naphthol from Their Gas-Phase Electronic Absorption Spectra. (1988) (1)
Methyl and Vinyl Torsional Potentials in cis- and trans-3- Methylstyrene from Supersonic Jet Fluorescence Spectra (1992) (1)
6 – Electronic spectroscopy (1982) (1)
Supersonic Jet Fluorescence and Gas Phase Absorption Spectra of Indan: Puckering Potential in S0 and S1. (1991) (0)
The potential of laser excitation spectroscopy (1991) (0)
Assignment of the S1-S0 Electronic Absorption Spectra of 7-Azaindole and 1-Azaindolizine as π*-π by Rotational Band Contour Analysis. (1990) (0)
Rotational structure in electronic spectra of large assymmetric tops (1967) (0)
THE A1B2- X1A1 TWO-PHOTON FLUORESCENCE EXCITATION SPECTRUM OF 1,3-DIFLUOROBENZENE (1983) (0)
Determination of Melecular Conformation from Large Amplitude Vibrations in Electronic Spectra of Organic Molecules in a Supersonic Jet (1994) (0)
Modern spectroscopy / J. Michael Hollas (1992) (0)
Single-Vibronic-Level Fluorescence Spectra of 1,4-Benzodioxan in a Supersonic Jet. (1994) (0)
THE A1A′- X1A′ SINGLE VIBRONIC LEVEL FLUORESCENCE SPECTRUM OF STYRENE VAPOR (1982) (0)
THE A1A1- X1A1 TWO-PHOTON FLUORESCENCE EXCITATION SPECTRUM OF 1,2-DIFLUOROBENZENE (1983) (0)
Laser electronic spectroscopy of large molecules (1991) (0)
Molecular Conformation and Potentials for Out‐of‐Plane Ring Vibrations in the S0 and S1 Electronic States of 1,4‐Benzodioxan from Supersonic‐ Jet Fluorescence and High‐Resolution Absorption Measurements. (1993) (0)
THE 271-NM ELECTRONIC SPECTRUM OF INDANE (BENZOCYCLOPENTENE). ROTATIONAL BAND CONTOUR ANALYSIS AND INVESTIGATION OF PUCKERING IN THE FIVE-MEMBERED RING (1977) (0)
5 – Vibrational spectroscopy (1982) (0)
Methyl and Vinyl Torsional Potential Functions in 4-Methylstyrene from Supersonic Jet Fluorescence Spectroscopy. (1990) (0)
Hybrid character of the 000 band of the S1-S0 269-nm absorption spectrum of 1,2,4-trifluorobenzene by rotational band contour analysis (1992) (0)
THE VACUUM ULTRAVIOLET SPECTRUM OF AMMONIA (1960) (0)
ROTATIONAL BAND CONTOURS IN ELECTRONIC SPECTRA OF LARGE ASYMMETRIC TOPS. (1967) (0)
1 – Quantization of energy (1982) (0)
Rotational Band Contour Analysis of the 281 nm Origin Band of the S1- S0 System of 1,4-Benzodioxan (2010) (0)
4 – Rotational spectroscopy (1982) (0)
THE A1A′- X1A′ SINGLE VIBRONIC LEVEL FLUORESCENCE AND RAMAN SPECTRA OF STYRENE-β-D2 VAPOR AND THEIR USE IN DETERMINING THE C(1)-C(α) TORSIONAL POTENTIAL FUNCTION IN THE X STATE (1982) (0)
High resolution spectroscopy. Butterworths, London, 1983, £45 (1983) (0)
Rotational Contour Analysis of the 00 0 Band of the A1Au-X1Ag Electronic Transition of trans-Oxalyl Fluoride (1990) (0)
3 – General experimental methods (1982) (0)
2 – Interaction of electromagnetic radiation with atoms and molecules (1982) (0)
THE FLUORESCENCE SPECTRUM OF NAPHTHALENE VAPOUR (1961) (0)
Vibration Wavenumbers of 3-Aminobenzotrifluoride in the Ground and S1 Electronic States from Its IR, Raman, and Supersonic Jet S1-S0 Fluorescence Spectra. (2010) (0)
8 – Lasers and laser spectroscopy (1982) (0)
The 291‐nm Band System of 3‐Fluorostyrene: Ground State Vibrational Assignments for the cis and trans Rotamers from Their Supersonic Jet Spectra. (1989) (0)
Vibration Wavenumbers of 4‐Aminobenzotrifluoride in the Ground and S1 Electronic States from Its Supersonic Jet S1‐S0 Fluorescence, IR, and Raman Spectra. (1991) (0)
Large Amplitude Vibrations in Electronic Spectra in Supersonic Jets (1996) (0)
THE A1A′- X1A′ ABSORPTION AND SINGLE VIBRONIC LEVEL FLUORESCENCE SPECTRA OF SOME DEUTERATED 2-AMINOPYRIDINES (1984) (0)
VIBRATIONAL ASSIGNMENTS IN THE 288 NM A1A′- X1A′ ELECTRONIC ABSORPTION SPECTRUM OF STYRENE: NEW INFORMATION ON THE C(1)-C(α) TORSIONAL VIBRATIONAL LEVELS IN THE GROUND ELECTRONIC STATE OF STYRENE, STYRENE-β-D2, AND P-FLUOROSTYRENE (1979) (0)

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J. Michael Hollas's AcademicInfluence.com Rankings