Robert Ditchfield
#119,439
Most Influential Person Now
Researcher
Robert Ditchfield's AcademicInfluence.com Rankings
Robert Ditchfieldcomputer-science Degrees
Computer Science
#4757
World Rank
#5022
Historical Rank
Machine Learning
#1038
World Rank
#1054
Historical Rank
Artificial Intelligence
#1265
World Rank
#1289
Historical Rank
Database
#1956
World Rank
#2053
Historical Rank

Download Badge
Computer Science
Robert Ditchfield's Degrees
- PhD Computer Science Stanford University
- Masters Artificial Intelligence University of California, Berkeley
Similar Degrees You Can Earn
Why Is Robert Ditchfield Influential?
(Suggest an Edit or Addition)Robert Ditchfield'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
- Self—Consistent Molecular Orbital Methods. XII. Further Extensions of Gaussian—Type Basis Sets for Use in Molecular Orbital Studies of Organic Molecules (1972) (11028)
- Self‐Consistent Molecular‐Orbital Methods. IX. An Extended Gaussian‐Type Basis for Molecular‐Orbital Studies of Organic Molecules (1971) (7475)
- Self-consistent perturbation theory of diamagnetism (1974) (3218)
- Molecular Orbital Theory of Magnetic Shielding and Magnetic Susceptibility (1972) (999)
- Molecular orbital theory of the electronic structure of organic compounds. V. Molecular theory of bond separation (1970) (670)
- Self‐Consistent Molecular Orbital Methods. IV. Use of Gaussian Expansions of Slater‐Type Orbitals. Extension to Second‐Row Molecules (1970) (588)
- Self‐Consistent Molecular Orbital Methods. XI. Molecular Orbital Theory of NMR Chemical Shifts (1971) (269)
- Efficient determination and characterization of transition states using ab-initio methods (1977) (228)
- Proton and carbon-13 chemical shifts: Comparison between theory and experiment (1984) (171)
- Theoretical studies of magnetic shielding in H2O and (H2O)2 (1976) (128)
- Self‐Consistent Molecular Orbital Methods. VI. Energy Optimized Gaussian Atomic Orbitals (1970) (109)
- Self‐Consistent Molecular Orbital Methods. X. Molecular Orbital Studies of Excited States with Minimal and Extended Basis Sets (1971) (107)
- On molecular orbital theories of NMR chemical shifts (1972) (65)
- Proton chemical shift tensors in hydrogen‐bonded dimers of RCOOH and ROH (1983) (65)
- Carbocation−π Interaction: Computational Study of Complexation of Methyl Cation with Benzene and Comparisons with Related Systems (1998) (61)
- Self‐Consistent Molecular‐Orbital Methods. VII. Convergence of Gaussian Expansions of Slater‐Type Atomic Orbitals in Calculations of First‐ and Second‐Order Properties (1970) (54)
- Theoretical studies of the temperature dependence of magnetic shielding tensors: H2, HF, and LiH (1981) (51)
- Anisotropy of Nuclear Spin‐Spin Coupling in Methyl Fluoride (1972) (51)
- Molecular oribital theory of the electronic structure of organic compounds. IX. n .far..pi.* Transition energies in small molecules (1972) (49)
- Molecular orbital theory of bond separation (1970) (42)
- A comparison of stigmatellin conformations, free and bound to the photosynthetic reaction center and the cytochrome bc1 complex. (2007) (41)
- Comparison of the sum-over-states and finite perturbation theories of electrical polarizability and nuclear spin-spin coupling (1970) (40)
- Molecular orbital theory of the electronic structure of organic compounds. XIV. Equilibrium geometries and energies of low-lying excited states (1972) (35)
- A CNDO calculation of nuclear spin-spin coupling constants in hydrocarbons (1968) (33)
- Carbon-13 nuclear magnetic resonance chemical shifts of the fluoroallenes. Comparison between theory and experiment (1974) (32)
- Self‐Consistent Molecular‐Orbital Methods. VIII. Molecular Studies with Least Energy Minimal Atomic Orbitals (1970) (29)
- Sum-over-states calculation of the nuclear spin coupling constant of hydrogen fluoride (1970) (28)
- Proton-proton coupling by pi electrons (1968) (27)
- Proton chemical shift tensors in neutral and ionic OH⋯O hydrogen bonds (1982) (26)
- Molecular orbital theory of carbon NMR chemical shifts (1970) (26)
- Metal Complexes of Mesitylphosphine: Synthesis, Structure, and Spectroscopy. (1996) (24)
- Theoretical validation of the physical scale modelling of the electrical potential characteristics of marine impressed current cathodic protection (1995) (24)
- Theoretical carbon-13 nuclear magnetic resonance chemical shifts in CH5+ and C2H5+ (1971) (24)
- Molecular orbital studies of the NMR hydrogen bond shift (1976) (23)
- 13C NMR chemical shifts for fluoroethylenes and fluoroacetylene (1972) (22)
- Ab initio computation of silicon-29 nuclear magnetic resonance chemical shifts for a range of representative compounds (1989) (19)
- Theoretical studies of proton magnetic shielding anisotropies (1973) (18)
- Effect of substituents on methane 13C–H and silane 29Si–H coupling constants (1967) (18)
- GIAO studies of magnetic shielding in FHF- and HF (1976) (17)
- The effect of one-centre exchange integrals on the coupling constants in some simple hydrocarbons and their derivatives (1969) (15)
- NMR spectra of molecules containing CF2 groups—I The composite particle approach for chemical equivalence—the spectrum of perfluorocyclobutene (1968) (15)
- Theoretical studies of equilibrium geometries of AHn molecules (1978) (12)
- A new form of electric-field-dependent basis functions for the calculation of electric polarizabilities and dipole moments (1984) (12)
- Long-range coupling in cyclohexane fragments (1968) (12)
- Heuristic intermolecular potential function for the methane–water interaction based on ab initio quantum-mechanical calculations (1978) (11)
- Molecular orbital studies of electrical polarizability tensors (1981) (10)
- GAUSSIAN 76: an ab initio molecular orbital program (1978) (9)
- Bridged aromatic alkenes for the study of carbocation–π interaction (2010) (6)
- The mechanism of long-range proton-proton coupling (1968) (6)
- Carbocation-π interaction: evaluation of the stabilization by phenylalanine of a biochemical carbocation intermediate. (2016) (4)
- Carbocation-π interaction: the 1,1-dimethylallyl cation and benzene (2011) (4)
- Proton–Proton Coupling by π Electrons (1969) (4)
- Phosphorus Compounds and their 31P Chemical Shifts (2018) (2)
- The effect of substituents upon proton coupling constants in substituted pyrimidines and benzenes (1969) (1)
- Erratum: Proton chemical shift tensors in hydrogen‐bonded dimers of RCOOH and ROH [J. Chem. Phys. 79, 4958 (1983)] (1984) (1)
- THE CARBON-13 NUCLEAR MAGNETIC RESONANCE CHEMICAL SHIFTS OF THE FLUOROALLENES, A COMPARISON BETWEEN THEORY AND EXPERIMENT (1974) (1)
- A simpler method affords evaluation of π stabilization by phenylalanine of several biochemical carbocations. (2020) (0)
- The Best Programme [engineering training] (2002) (0)
This paper list is powered by the following services:
What Schools Are Affiliated With Robert Ditchfield?
Robert Ditchfield is affiliated with the following schools: