Chapter 3 Nuclear magnetic resonance of paramagnetic systems

Relaxation Effects in Nuclear Magnetic Resonance Absorption

1948 • 6,241 citations

Nuclear Induction

1946 • 3,230 citations

Contact Electron-Spin Coupling of Nuclear Magnetic Moments

1959 • 2,920 citations

Description of States in Quantum Mechanics by Density Matrix and Operator Techniques

1957 • 1,922 citations

Reaction Rates by Nuclear Magnetic Resonance

1958 • 1,561 citations

NMR-Relaxation Mechanisms of O17 in Aqueous Solutions of Paramagnetic Cations and the Lifetime of Water Molecules in the First Coordination Sphere

1962 • 1,264 citations

Theory of Isotropic Hyperfine Interactions in π-Electron Radicals

1958 • 897 citations

Nuclear Magnetic Resonance Multiplets in Liquids

1953 • 718 citations

Isotropic Nuclear Resonance Shifts

1958 • 711 citations

Nuclear Magnetic Interactions in the HF Molecule

1956 • 664 citations

Indirect Hyperfine Interactions in the Paramagnetic Resonance Spectra of Aromatic Free Radicals

1956 • 657 citations

�ber die magnetischen Momente der Atomkerne

1930 • 625 citations

Theoretical Interpretation of Carbon-13 Hyperfine Interactions in Electron Spin Resonance Spectra

1961 • 555 citations

Exchange of Interacting Nuclear Spins in Nuclear Magnetic Resonance. I. Intramolecular Exchange

1962 • 288 citations

The Time Average Magnetic Field at the Nucleus in Nuclear Magnetic Resonance Experiments

1951 • 268 citations

Hyperconjugation in the electron resonance spectra of free radicals

1958 • 219 citations

Exchange Broadening in Nuclear Magnetic Resonance

1958 • 192 citations

Electron Spin Resonance Spectra of the Anions of Benzene, Toluene and the Xylenes¹

1958 • 168 citations

The Nuclear Magnetic Resonance of Some Paramagnetic Transition Metal Acetylacetonates

1965 • 166 citations

Proton Hyperfine Interactions in Semiquinone Ions

1956 • 151 citations

Exchange of Interacting Nuclear Spins in Nuclear Magnetic Resonance. II. Chemical Exchange

1962 • 148 citations

Isotropic Hyperfine Interactions in Aromatic Free Radicals

1956 • 135 citations

Isotropic NMR Shifts in Pyridine-Type Bases Complexed with Paramagnetic NiII and CoII Acetylacetonates

1963 • 135 citations

Electron Spin Resonance Study of the Electron Exchange between Naphthalene Negative Ion and Naphthalene¹

1957 • 131 citations

Electron spin resonance studies of hyperconjugation in aromatic ions

1962 • 128 citations

Electron Spin Resonance Spectra of Aromatic Mononegative and Monopositive Ions¹

1958 • 125 citations

Anomalous Loss of Resolution of Paramagnetic Resonance Hyperfine Structure in Liquids

1959 • 119 citations

Studies in Molecular Orbital Theory of Valence. III. Multiple Bonds Involving d-Orbitals

1954 • 115 citations

Negative Nuclear Spin-Spin Coupling Constants for Aromatic Protons

1959 • 103 citations

Hyperfine coupling constants of CH₂ protons in paramagnetic aromatic systems

1964 • 97 citations

Nuclear magnetic resonance of organic free radicals

1966 • 94 citations

Configurations and Magnetic Properties of the Nickel(II) Aminotroponeimineates

1963 • 94 citations

Spin Densities in the Perinaphthenyl Free Radical

1958 • 92 citations

NMR Study of Electron Transfer Rates and Spin Densities in p-Xylene and p-Diethylbenzene Anions

1966 • 83 citations

On the Shift of the Nuclear Magnetic Resonance in Paramagnetic Solutions

1950 • 83 citations

Molecular-Orbital Treatment of Isotropic Hyperfine Interactions in Simple Aliphatic Radicals

1958 • 82 citations

The electron spin resonance spectra of the toluene,p-xylene andm-xylene anions

1961 • 82 citations

Spin-Density Distributions in Conjugated Ligands of Paramagnetic Chelates from NMR Contact Interaction Shifts

1962 • 78 citations

Negative Spin Densities in Aromatic Radicals

1957 • 77 citations

Proton Resonance Shifts in Nickelocene

1957 • 77 citations

Isotropic Proton Resonance Shifts of Some Bis-(triarylphosphine) Complexes of Cobalt(II) and Nickel(II) Dihalides

1964 • 75 citations

Studies on Nickel(II) Complexes. V.¹ A Nuclear Resonance Study of Conformational Equilibria

1964 • 73 citations

¹⁹F contact interaction shifts: Effects of fluorine conjugation

1962 • 72 citations

Vibronic Interaction of Nearly Degenerate States in Substituted Benzene Anions

1965 • 71 citations

Electron Spin Resonance and the Structure of Free Radicals

1957 • 71 citations

Rates of Paramagnetic Pulse Reactions by Nuclear Magnetic Resonance

1957 • 68 citations

Magnetic Resonance Studies of Hyperfine Interactions in the Anion Radicals of Stilbene and Related Molecules

1965 • 67 citations

Electron Spin Density Distribution and Structure of Nickel(II) and Cobalt(II) Acetylacetonate Complexes with Pyridine N-Oxides by Nuclear Magnetic Resonance Isotropic Shifts¹

1965 • 66 citations

Rate of Electron Exchange between Cuprous and Cupric Ions in Hydrochloric Acid Solutions by Nuclear Magnetic Resonance

1956 • 65 citations

Hyperfine Structure in Paramagnetic Resonance Absorption Spectra

1956 • 64 citations

Isotropic Proton Magnetic Resonance Shifts in π-Bonding Ligands Coordinated to Paramagnetic Nickel(II) and Cobalt(II) Acetylacetonates

1964 • 62 citations

Molecular Motion and Relaxation in Free-Radical Solutions of Benzene, Toluene, and Some Ethers as Studied by Dynamic Nuclear Polarization

1965 • 59 citations

Unpaired Electron Distribution in π-Systems

1962 • 58 citations

On the paramagnetic resonance spectrum of triphenylmethyl

1957 • 58 citations

Spin Density in Naphthalene Negative Ion

1956 • 57 citations

The effects of near-degeneracy in the electron spin resonance spectra of aromatic negative ions

1962 • 56 citations

Hyperfine Splittings in Polyatomic Free Radicals

1954 • 53 citations

Isotropic Shifts of Some Ionic Complexes of Cobalt(II) and Nickel(II) : Evidence for Ion Pairing

1964 • 52 citations

Spin Density in Pyrene Negative Ion

1961 • 51 citations

Spin Densities in Organic Free Radicals

1960 • 49 citations

Sign of the Electron Spin Density on Methyl Protons in Aromatic Molecules

1959 • 48 citations

Proton Resonance Shifts in Paramagnetic Metal Aromatic Complexes

1958 • 47 citations

Hyperfine contact shifts and spin density distributions in some nickel(II) chelates

1962 • 47 citations

Nuclear Magnetic Resonance Study of Ion Association between Quaternary Ammonium Ions and Hexacyanoferrate(III) Ion

1965 • 46 citations

Isotropic Nuclear Magnetic Resonance Shifts in Tetrahedral Bispyridine and Bispicoline Complexes of Nickel(II)

1966 • 46 citations

Electron spin densities in alternant hydrocarbon mononegative and mono-positive ions and in odd alternant hydrocarbon radicals

1958 • 43 citations

Spin densities in the alkyl groups of alkyl-substituted naphthalene negative ions, determined by N.M.R.

1965 • 43 citations

Effects of Ion Association on Rates of Oxidation-Reduction Transfer Reactions in the Naphthalene-Naphthalenide Systems

1962 • 42 citations

Measurement of the Rate of an Electron Exchange Reaction by Nuclear Magnetic Resonance Spectroscopy

1956 • 42 citations

Nuclear Transverse Relaxation in Electron-Transfer Reactions

1963 • 41 citations

Existence of the Planar [UNK] Tetrahedral Equilibrium in Solutions of Cobalt(II) Complexes

1965 • 40 citations

Hydrogen Atom Transfer between Free Radicals and Their Diamagnetic Precursors

1966 • 39 citations

Temperature Dependence of Proton Hyperfine Splittings

1962 • 39 citations

Proton Spin—Spin Coupling Constants from the NMR Spectra of Paramagnetic Molecules

1963 • 38 citations

Structural Interconversions of Octahedral, Planar, and Tetrahedral Nickel(II) Complexes

1965 • 38 citations

Proton Magnetic Resonance and Electron Spin Densities of Hydrazyl

1959 • 37 citations

Ion Pairing and Interionic Distances in Some Paramagnetic Complexes from Proton Magnetic Resonance Spectra

1965 • 35 citations

Nuclear electron double resonance and scalar interactions in solutions

1966 • 35 citations

Hydrogen Transfer Between a Phenol and Its Phenoxy Radical

1962 • 34 citations

Nuclear and Electron Magnetic Resonance

1957 • 34 citations

Nuclear Magnetic Resonance Studies of Electron Transfer between Tris (2,2′-dipyridyl) osmium (II) and (III) Ions, between Bis(cyclopentadienyl)iron(II) and (III) Ions, and between Tris(1,10-phenanthroline)iron(II) and (III) Ions

1963 • 33 citations

High Negative Nuclear Polarizations in a Liquid

1957 • 31 citations

Studies on Nickel(II) Complexes. VII. A Nuclear Resonance Investigation of Mixed Ligand Complexes

1964 • 31 citations

Spin Delocalization in Metallo-Pyrromethenes and Porphyrins

1964 • 30 citations

ANISOTROPY IN THE PARAMAGNETIC RESONANCE SPECTRUM OF PEROXYLAMINE DISULFONATE ION¹

1953 • 28 citations

Fluorine-19 Contact Interaction Shifts: The CF₃, OCF₃, SCF₃, SF₅, and SO₂CF₃ Groups

1963 • 27 citations

Spin Delocalization in Mixed Tetrahedral Ni II Complexes

1965 • 27 citations

Effects of Electron Transfer on High-Resolution NMR Spectra

1964 • 26 citations

Ligand Spin Densities and Magnetic Properties of Some Aminotroponeimine Chelates of Nickel

1960 • 24 citations

Proton Contact Shifts in Dynamical Nickel(II) Complexes and the Detection of Diastereoisomers by Nuclear Resonance

1963 • 23 citations

Pseudocontact Shifts in Paramagnetic Complexes

1965 • 23 citations

ELECTRON SPIN DENSITY DISTRIBUTIONS IN CONJUGATED SYSTEMS BY N.M.R.

1961 • 22 citations

Proton Resonance Shifts in Pyrene Mononegative Ion at 4.2°K

1960 • 22 citations

Electron Transfer Rates for Unsubstituted and Dimethyl-substituted Tris(1,10-phenanthroline) Iron(II) and -(III) Ions from NMR Studies

1965 • 18 citations

Electron-Exchange Reaction of Wurster's Blue in Aqueous Solution

1964 • 18 citations

Magnetische Messungen an Organischen Verbindungen mit der Protonenresonanz

1964 • 16 citations

N.M.R. Contact Shifts in Paramagnetic Nickel(II) Salicylaldimines

1962 • 14 citations

The electronic structure of nickel complexes of substituted aminotroponeimines

1964 • 14 citations

Spin densities in hydrocarbon ions with degenerate ground states

1964 • 13 citations

Spin-spin and spin-lattice relaxation in aromatic fluorine compounds

1966 • 10 citations

Spin Densities in Tetrahedral Cobalt Complexes by Nuclear Magnetic Resonance Contact Shifts; Evidence for a Pseudo Contact Interaction

1963 • 10 citations

Nuclear Magnetic Resonance Contact Shifts and Electron Transfer Rates for Methyl-Substituted Tris(1,10-Phenanthroline) Iron (II) and (III) Ions

1964 • 10 citations