Stabilities of positive ions from equilibrium gas-phase basicity measurements

The chemical thermodynamics of organic compounds

1970 • 1,673 citations

Dissociation Constants of Organic Bases in Aqueous Solution

1965 • 1,503 citations

Thermochemistry of organic and organometallic compounds

1970 • 1,248 citations

Bond Dissociation Energies by Kinetic Methods

1966 • 934 citations

Ion Thermochemistry and Solvation From Gas Phase Ion Equilibria

1977 • 764 citations

Ionization potentials of some molecules

1962 • 600 citations

Evaluation of strain in hydrocarbons. The strain in adamantane and its origin

1970 • 583 citations

Flowing Afterglow Measurements of Ion-Neutral Reactions

1969 • 469 citations

Thermodynamics of Ion Hydration as a Measure of Effective Dielectric Properties of Water

1962 • 444 citations

Ion Cyclotron Resonance Spectroscopy

1971 • 377 citations

Photoelectron spectra and valence shell orbital structures of groups V and VI hydrides

1972 • 336 citations

Free-radical and molecule thermochemistry from studies of gas-phase iodine-atom reactions

1969 • 321 citations

Quantitative proton affinities, ionization potentials, and hydrogen affinities of alkylamines

1976 • 279 citations

A thermodynamic analysis of solvation effects on the basicities of alkylamines. An electrostatic analysis of substituent effects

1976 • 233 citations

Gas-phase basicities of amines. Hydrogen bonding in proton-bound amine dimers and proton-induced cyclization of .alpha., .omega.-diamines

1973 • 217 citations

Gas phase basicities and relative proton affinities of compounds between water and ammonia from pulsed ion cyclotron resonance thermal equilibriums measurements

1977 • 208 citations

Free Radicals by Mass Spectrometry. XLV. Ionization Potentials and Heats of Formation of C₃H₃, C₃H₅, and C₄H₇ Radicals and Ions

1972 • 208 citations

Free radicals by mass spectrometry. XLIL Ionization potentials and ionic heats of formation for C₁—C₄ alkyl radicals

1970 • 192 citations

Proton Transfer Reactions;

1976 • 185 citations

Acidic dissociation constant of ammonium ion at 0 to 50 C, and the base strength of ammonia

1949 • 183 citations

A Trapped Ion Analyzer Cell for Ion Cyclotron Resonance Spectroscopy

1970 • 171 citations

Photoionization of dimeric polyatomic molecules: Proton affinities of H2O and HF

1977 • 154 citations

Gas-phase basicities and proton affinities of compounds between water and ammonia and substituted benzenes from a continuous ladder of proton transfer equilibria measurements

1976 • 153 citations

Energetics of gas phase proton solvation by NH3

1979 • 153 citations

Molecular Photoelectron Spectroscopy

1964 • 153 citations

Applications of photoelectron spectroscopy. 41. Photoelectron spectra of phosphabenzene, arsabenzene, and stibabenzene

1973 • 148 citations

Thermodynamics of proton ionization in dilute aqueous solution. Part XI. pK, ΔH°, and ΔS° values for proton ionization from protonated amines at 25°

1969 • 146 citations

Substituent effects on the intrinsic basicity of benzene: proton affinities of substituted benzenes

1976 • 146 citations

Proton Affinities and the Methyl Inductive Effect¹

1965 • 142 citations

Stabilities and energetics of pentacoordinated carbonium ions. The isomeric protonated ethane ions and some higher analogs: protonated propane and protonated butane

1976 • 142 citations

Quantitative evaluation of intramolecular strong hydrogen bonding in the gas phase

1973 • 135 citations

Quantitative relative gas-phase basicities of alkylamines. Correlation with solution basicity

1972 • 133 citations

Free Radicals by Mass Spectrometry. XLIII. Ionization Potentials and Ionic Heats of Formation for Vinyl, Allyl, and Benzyl Radicals

1971 • 130 citations

Photoionization of the Lower Aliphatic Alcohols with Mass Analysis

1968 • 128 citations

Gas-phase basicities of amines

1971 • 126 citations

Application of photoelectron spectrometry to pesticide analysis. Photoelectron spectra of five-membered heterocycles and related molecules

1970 • 123 citations

A Versatile Trapped Ion Cell for Ion Cyclotron Resonance Spectroscopy

1972 • 121 citations

Statistical Factors in the Correlation of Rate Constants and Equilibrium Constants

1958 • 121 citations

Excited electronic states of the simple alcohols

1972 • 119 citations

Free Radicals by Mass Spectrometry. XX. Ionization Potentials of Cyclopentadienyl and Cycloheptatrienyl Radicals

1960 • 115 citations

Alkyl Substituent effects on the stability of protonated benzene

1974 • 114 citations

Lone pair orbitals and their interactions studied by photoelectron spectroscopy. II. Equivalent orbitals in saturated oxygen and sulfur heterocycles

1972 • 110 citations

Complete thermodynamic analysis of the ''anomalous order '' of amine basicities in solution

1972 • 106 citations

Photoelectron Spectra of Azabenzenes and Azanaphthalenes: III. The orbital sequence in methyl‐ and trimethylsilyl‐substituted pyridines

1972 • 102 citations

Helium(I) photoelectron spectra of organic radicals

1975 • 100 citations

Proton Affinities of H2S and H2O

1968 • 100 citations

Gas-phase ion chemistry of fluoromethanes by ion cyclotron resonance spectroscopy. New techniques for the determination of carbonium ion stabilities

1974 • 99 citations

The photoelectron spectra of some molecules containing the C≡N group

1970 • 98 citations

Analysis of the mechanism of reaction of H3+ [tritium ion] with ethylene oxide and acetaldehyde

1971 • 96 citations

Determination of proton affinity from the kinetics of proton transfer reactions. II. Kinetic analysis of the approach to the attainment of equilibrium

1973 • 96 citations

Rydberg series in small molecules

1971 • 93 citations

Carbenium ion stabilities in the gas phase and solution. An ion cyclotron resonance study of bromide transfer reactions involving alkali ions, alkyl carbenium ions, acyl cations, and cyclic halonium ions

1977 • 90 citations

Equilibrium constants for gas-phase ionic reactions. Accurate determination of relative proton affinities

1971 • 87 citations

Gas-phase proton transfer. Breakthrough for solution chemistry

1973 • 85 citations

Gas-phase basicities and pyridine substituent effects

1972 • 85 citations

Intrinsic basicities of ammonia, methylamines, anilines and pyridine from gas-phase proton-exchange equilibriums

1972 • 81 citations

Solvation and hydrogen bonding of pyridinium ions

1977 • 79 citations

Die Photoelektron‐Spektren von Chlor‐, Brom‐ und Jodcyan. Vorläufige Mitteilung

1970 • 78 citations

Thermal energy positive ion reactions in a wet atmosphere containing ammonia

1973 • 75 citations

Stabilization in cyclopentadienyl, cyclopentenyl, and cyclopentyl cations

1975 • 73 citations

“Electron Lone Pairs” in Organic Sulfides and Disulfides

1972 • 70 citations

Equilibrium constant for allyl radical recombination. Direct measurement of "allyl resonance energy"

1969 • 69 citations

The site of protonation in aniline

1977 • 65 citations

Methyl substituent effects in protonated aliphatic amines and their radical cations

1972 • 64 citations

The proton affinities of toluene

1976 • 61 citations

Thermochemical Studies. I. Thermodynamic Functions of Solutions of Pyridine Bases in Water¹

1960 • 61 citations

Proton affinities, ionization potentials, and hydrogen affinities of nitrogen and oxygen bases. Hybridization effects

1975 • 59 citations

Solvent effects of water and fluorosulfuric acid on proton transfer equilibriums and the energies of solvation of gaseous onium ions

1978 • 59 citations

Hydrocarbon decomposition. 6. Thermal decomposition of 3,4-dimethylhexane, 2,2,3-trimethylpentane, tert-butylcyclohexane, and related hydrocarbons

1972 • 57 citations

Gas-phase basicities of substituted anilines. Inferences about the role of solvent in dictating site of protonation

1977 • 57 citations

Heats of formation of C3H5+ ions. Allyl, vinyl, and cyclopropyl cations in gas-phase proton-transfer reactions

1976 • 57 citations

Free Radicals by Mass Spectrometry. XXIV. Ionization Potentials of Cycloalkyl Free Radicals and Cycloalkanes

1961 • 56 citations

Thermodynamic study on aqueous dilute solutions of organic compounds. Part 1.—Cyclic amines

1971 • 54 citations

Thermochemistry of aliphatic alcohols determined by gas-phase ionic equilibria

1974 • 54 citations

High-pressure mass spectrometry. V. Thermodynamics of solvation reactions. NH4+-NH3

1974 • 54 citations

Free radicals by mass spectrometry, XLVII. lonization potentials and ionic heats of formation of C₅–C₇ alkyl radicals

1976 • 54 citations

Activity coefficients of the n‐primary, secondary and tertiary aliphatic amines in aqueous solution

1967 • 54 citations

Pulsed ion cyclotron double resonance for the study of ion—molecule reactions

1971 • 53 citations

Photoelectron spectroscopic study of cyclic amines. Relation between ionization potentials, basicities, and s character of the nitrogen lone pair electrons

1974 • 53 citations

Photoelectron spectrum and gas-phase basicity of manxine. Evidence for a planar bridgehead nitrogen

1975 • 53 citations

Heats of formation of protonated cyclopropane, methylcyclopropane, and ethane

1972 • 52 citations

Mass-Spectrometric Study of Ions from the α-Particle Irradiation of Gases at Near Atmospheric Pressures

1963 • 50 citations

Photoelectron spectra of some aldehydes and ketones

1974 • 50 citations

Absolute ion-molecule rate constants from drift cell ion cyclotron resonance spectroscopy

1973 • 48 citations

The proton affinities of phenol

1977 • 48 citations

The Kinetics and Mechanism of the Reaction I₂ + C₃H₆ →← C₃H₅I + HI and the Heat of Formation of the Allyl Radical¹

1966 • 44 citations

Relationship between orbital ionization energies and molecular properties. Proton affinities and photoelectron spectra of nitriles

1976 • 44 citations

Determination of proton affinity from the kinetics of proton transfer reactions. III. The measurement of the equilibrium constant at various temperatures

1973 • 43 citations

A quantitative comparison of gas- and solution-phase basicities of substituted pyridines

1976 • 42 citations

Linear relation between substituted pyridine lone pair vertical ionization potentials and pKa

1974 • 42 citations

Resonance energy of cycloheptatrienyl radical

1969 • 42 citations

Relation of nitrogen lone pair interactions to thermodynamic parameters associated with amine basicities

1974 • 42 citations

Kinetics, equilibrium, and negative temperature dependence in the bimolecular reaction tert-C4H9+(iso-C5H12, iso-C4H10) tert-C5H11+ between 190 and 5700K

1974 • 42 citations

Substituent effects on the stability of carbocations. Anomalous case of phenyl vs. cyclopropyl substitution

1975 • 41 citations

Helium(I) photoelectron spectrum of tropyl radical

1978 • 39 citations

Gas-phase acidities of carbon acids

1968 • 39 citations

Reversible reactions of gaseous ions. I. Methane-water system

1971 • 38 citations

Threshold photoionization and dissociation of toluene and cycloheptatriene

1977 • 37 citations

Kinetics of the vapour-phase bromination of cyclanes and n-butane. C—H bond dissociation energies in cyclanes

1971 • 37 citations

Gas-phase basicities of amides and imidates. Estimation of protomeric equilibrium constants by the basicity method in the gas phase

1979 • 36 citations

Proton affinity and gas-phase ion chemistry of hydrogen fluoride

1975 • 36 citations

Relative stabilities of carbonium ions in the gas phase and solution. Comparison of cyclic and acyclic alkylcarbonium ions, acyl cations and cyclic halonium ions

1974 • 35 citations

Reversible reactions of gaseous ions. X. The intrinsic stability of the norbornyl cation

1976 • 33 citations

Benzyl cation. A long-lived species in the gas phase?

1976 • 33 citations

Gas phase basicity of silanamines

1978 • 31 citations

Equilibration studies. Determination of the enthalpy difference between methyltropic isomers from heats of methylation

1974 • 31 citations

Proton affinities of benzene, toulene, and the xylenes

1972 • 31 citations

Thermochemical Studies. II. Thermodynamic Quantities of Neutralization of Pyridine Bases in Water¹

1960 • 30 citations

Polar substituent effects in gas-phase Lewis acid-base equilibriums. I. Insrinsic basicity of amines

1968 • 29 citations

Determination of the proton affinity from the kinetics of proton transfer reactions. V. The equilibrium H+3+Kr ? KrH++H2 and the relative proton affinity of Kr and H2

1975 • 28 citations

Energetics of formation of some structural isomers of gaseous C2H5O+ and C2H6N+ ions

1974 • 28 citations

Correlation Studies on H3+. I. The Wavefunctions

1971 • 27 citations

Photoelectron Spectra and Molecular Properties. XVII

1973 • 26 citations

Concerning negligible aqueous solvent effects on proton transfer equilibrums of aryl carbocations

1975 • 25 citations

Determination of carbonium ion stabilities by ion cyclotron resonance spectroscopy

1972 • 25 citations

The enthalpies of combustion and formation of some alkyl cyclopropanes

1971 • 25 citations

Energy transfer in excited ionic species. Rates and mechanism of dimerization of protonated amines with their neutral bases

1978 • 24 citations

Reversible reactions of gaseous ions. IX. Stability of C4-C7 tertiary alkyl carbonium ions

1975 • 24 citations

Application of ion cyclotron resonance spectroscopic gas-phase basicities to the study of tautomeric equilibriums

1976 • 24 citations

Diagnostics of the flowing afterglow

1975 • 24 citations

Phase relationships in the pyridine series. Part V. The thermodynamic properties of dilute solutions of pyridine bases in water at 25° and 40°

1954 • 24 citations

Ion structure determination by gas phase derivatization and collisional activation mass spectrometry

1976 • 24 citations

The vacuum-ultraviolet photoelectron spectra of fluoropyridines

1972 • 23 citations

Regarding polarizability effects of hydrocarbon substituents on base strengths in solution

1977 • 23 citations

Thermodynamics of proton dissociation in dilute aqueous solution

1972 • 21 citations

Gas phase proton affinities of molecules in excited electronic states by ion cyclotron resonance spectroscopy

1976 • 21 citations

Trapped ion cyclotron resonance studies of symmetric electron- and proton-transfer reactions

1976 • 21 citations

Thermodynamic Properties of the Ammonium Ion

1955 • 21 citations

Heats of solution and tautomeric equilibrium constants. The 2-pyridone: 2-hydroxypyridine equilibrium in non-aqueous media

1976 • 20 citations

On the measurement of gas-phase ion-molecule equilibrium constants in an ion cyclotron resonance spectrometer

1977 • 19 citations

Ion-solvation reactions of phosphine

1974 • 19 citations

Ion-molecule reactions in ethyl chloride

1974 • 18 citations

New design of an ion cyclotron resonance cell capable of temperature variation over the range 80⩽T⩽450 K

1978 • 18 citations

Thermodynamics of acid-base equilibriums. VI. Ionization of substituted pyridinium ions

1974 • 18 citations

Reversible reactions of gaseous ions. II. Propane-water system

1971 • 18 citations

Electrostatics and the chemical bond. III. Free radicals

1975 • 17 citations

Standard acidity scale. The pKa of alcohols in the gas phase

1971 • 16 citations

Stability of some C7 tertiary alkyl carbonium ions

1976 • 16 citations

Solvent effects on the basicity of sterically hindered pyridines

1968 • 16 citations

Heats of solution of gaseous anilinium and pyridinium ions in water and intrinsic basicities in aqueous solution

1973 • 15 citations

Ion cycloton resonance spectroscopy: A sensitivity calibration of marginal oscillators as a function of frequency

1977 • 14 citations

Equilibrium studies of gas phase ion–molecule reactions. Ion cyclotron resonance results for the reaction CO2H+ + CH4 ? CH5+ + CO2

1975 • 13 citations

Preferred direction of proton transfer between protonated ethane and carbon monoxide, methane, nitrous oxide, and ethylene at 300.deg.K

1973 • 12 citations

Solvation energies of aliphatic ammonium ions in water and fluorosulfuric acid

1975 • 12 citations

Gas-phase spectroscopy of protonated hexamethylbenzene and hexamethyl(Dewar benzene)

1977 • 11 citations

Kinetic detection of common intermediates in gas phase ion-molecule reactions

1977 • 8 citations

Vibrational Structures in the He(I) Photoelectron Spectra of Carboxylic Acids

1974 • 8 citations

Basicity and ion-molecule reactions of trimethylarsine in the gas phase determined by ion cyclotron resonance spectroscopy

1975 • 8 citations

Teaching with an interactive reaction kinetics simulator

1978 • 7 citations

Temperature dependence of the reaction of Kr+. with H2, D2, and HD: An unusual isotope effect

1978 • 7 citations

Ion-molecule reactions in methanol and hydrogen sulfide

1974 • 7 citations

Calorimetric study of the reversible hydration of the pyridine aldehydes

1969 • 7 citations

Basic strength of acetic acid and KfIH+ values of some Hammett indicators in acetonitrile

1973 • 6 citations