Theoretical Background to Nitrogen NMR

Approximate molecular orbital theory

1970 • 3,604 citations

Magnetic Shielding of Nuclei in Molecules

1950 • 1,380 citations

Advances in MAGNETIC RESONANCE

1976 • 953 citations

Electron Coupled Interactions between Nuclear Spins in Molecules

1953 • 932 citations

Molecular orbital theory of nuclear spin coupling constants

1964 • 554 citations

A Note on the Fluorine Resonance Shifts

1954 • 403 citations

High Resolution NMR

1974 • 383 citations

Long-range proton spin-spin coupling

1969 • 361 citations

The Dependence of a Nuclear Magnetic Resonance Frequency upon Chemical Compound

1950 • 280 citations

Molecular Orbital Approximation to Electron Coupled Interaction between Nuclear Spins

1956 • 255 citations

Calculation of Diamagnetic Shielding in Molecules

1968 • 207 citations

Self-Consistent Perturbation Theory. II. Nuclear-Spin Coupling Constants

1968 • 200 citations

Approximate self-consistent molecular orbital theory of nuclear spin coupling. I. Directly bonded carbon-hydrogen coupling constants

1970 • 170 citations

Interpretation of the proton and nitrogen chemical shifts of pyridine and pyridinium cation

1964 • 143 citations

Nuclear magnetic resonance in diamagnetic materials. The theory of chemical shifts

1962 • 137 citations

Nitrogen-14 nuclear magnetic resonance of azoles and their benzo-derivatives

1972 • 119 citations

Nitrogen-15 nuclear magnetic resonance spectroscopy. XIII. Pyridine-15N

1971 • 112 citations

Annual reports on NMR spectroscopy

1971 • 111 citations

Self-Consistent Molecular Orbital Methods. XI. Molecular Orbital Theory of NMR Chemical Shifts

1971 • 111 citations

Origin of linearity of carbon-13 shift with charge. Calculations for the azines

1969 • 88 citations

Finite perturbation theory for nuclear spin coupling constants

1967 • 86 citations

35Cl and 19F NMR Spin–Lattice Relaxation Time Measurements and Rotational Diffusion in Liquid ClO3F

1971 • 76 citations

Nitrogen-14 nuclear magnetic resonance. VI. Trigonally hybridized nitrogen atoms

1968 • 75 citations

Double Resonance Spectra of N14 and N15 Ammonium Ion

1962 • 57 citations

Nitrogen-14 nuclear magnetic resonance of some six-membered aromatic heterocycles

1971 • 56 citations

Chemical shift calculations for carbon, nitrogen and oxygen in simple molecules

1970 • 53 citations

Quadrupole Relaxation and Structures in Nitrogen Magnetic Resonances of Ammonia and Ammonium Salts

1957 • 51 citations

¹⁴N nuclear magnetic resonance: amines and ammonium ions

1969 • 43 citations

A semi-empirical self consistent field molecular orbital calculation on pyridine and pyridinium ion including all valence electrons

1968 • 42 citations

Nitrogen nuclear magnetic resonance. Part I. The nitroso (nitrosyl) group

1970 • 37 citations

Chemical Shifts of 14N in the NMR Spectra of Linear Triatomic Molecules and Ions

1966 • 35 citations

Nitrogen-14 nuclear magnetic resonance—V1–4

1967 • 32 citations

Nitrogen-15 Magnetic Resonance Spectroscopy. V. Oxygen-Nitrogen Compounds¹

1965 • 29 citations

Calculation of Nitrogen Chemical Shifts

1968 • 25 citations

Calculation of the Chemical Shifts by the Semi-empirical SCF MO Method for All Valence-elctron Systems

1970 • 24 citations

Nitrogen-15 nuclear magnetic resonance spectroscopy. XII. Nuclear Overhauser enhancement of nitrogen-15 resonances

1971 • 24 citations

Double resonance studies of isotope effects on nitrogen chemical shifts

1971 • 23 citations

CNDO calculations of diamagnetic shielding in molecules

1970 • 21 citations

Nitrogen-15 magnetic resonance studies. Further evidence for the dependence of 1J(15NH) on the hybridization of nitrogen

1970 • 19 citations

Spin-lattice relaxation of 15N nuclei

1970 • 19 citations

Electric Quadrupole Contribution to Chemical Shifts in Liquids Induced by Intramolecular Hindered Rotations

1964 • 18 citations

Nitrogen-14 and -15 nuclear magnetic resonance spectroscopy. Part III. The diamagnetic correction and the absolute scale of nitrogen chemical shift

1970 • 15 citations

Nitrogen-14 nuclear magnetic resonance and molecular orbitals in nitrocarbanion systems

1970 • 15 citations

Advances in Magnetic Resonance

1970 • 14 citations

CNDO calculations: Electronic spectra and nitrogen-14 N.M.R. shielding constants for some small nitrogen ions

1969 • 13 citations

Nitrogen Chemical Shifts of Substituted Pyridines

1969 • 12 citations

Nitrogen nuclear magnetic resonance spectroscopy. Part IV. The azo-compounds and hyponitrite ion

1971 • 9 citations

The chemical shift. II. A study of ¹⁴N chemical shifts in nitrogen–oxygen–halogen compounds

1970 • 8 citations