Search Results - "Ervin, Kent M"

Fluorescence and Photodissociation of Rhodamine 575 Cations in a Quadrupole Ion Trap by Sassin, Nicholas A., Everhart, Stephanie C., Dangi, Beni B., Ervin, Kent M., Cline, Joseph I.

“…The fluorescence and photodissociation of rhodamine 575 cations confined to a quadrupole ion trap are observed during laser irradiation at 488 nm. The kinetics…”
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Competitive Threshold Collision-Induced Dissociation:  Gas-Phase Acidity and O−H Bond Dissociation Enthalpy of Phenol by Angel, Laurence A, Ervin, Kent M

“…Energy-resolved competitive collision-induced dissociation methods are used to measure the gas-phase acidity of phenol relative to hydrogen cyanide. The…”
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Radical Thermometers, Thermochemistry, and Photoelectron Spectra: A Photoelectron Photoion Coincidence Spectroscopy Study of the Methyl Peroxy Radical by Voronova, Krisztina, Ervin, Kent M, Torma, Krisztián G, Hemberger, Patrick, Bodi, Andras, Gerber, Thomas, Osborn, David L, Sztáray, Bálint

“…We investigated the simplest alkylperoxy radical, CH3OO, formed by reacting photolytically generated CH3 radicals with O2, using the new combustion reactions…”
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Translational Activation of the SN2 Nucleophilic Displacement Reactions Cl- + CH3Cl (CD3Cl) → ClCH3 (ClCD3) + Cl-:  A Guided Ion Beam Study by DeTuri, Vincent F, Hintz, Paul A, Ervin, Kent M

“…Guided ion beam tandem mass spectrometry techniques are used to examine promotion of the symmetric bimolecular nucleophilic substitution (SN2) reaction 37Cl- +…”
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Conformational Effects on Gas-Phase Acidities of Isomeric C3 and C5 Alkanols by Ghale, Surja B, Lanorio, Jerry G, Nickel, Alex A, Ervin, Kent M

“…The competitive threshold collision-induced dissociation technique is used to examine conformational effects on the relative gas-phase acidities of selected…”
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Statistical Rate Theory and Kinetic Energy-Resolved Ion Chemistry: Theory and Applications by Armentrout, P. B, Ervin, Kent M, Rodgers, M. T

“…Ion chemistry, first discovered 100 years ago, has profitably been coupled with statistical rate theories, developed about 80 years ago and refined since. In…”
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Conformational Effects on Gas-Phase Acidities of Isomeric C 3 and C 5 Alkanols by Ghale, Surja B, Lanorio, Jerry G, Nickel, Alex A, Ervin, Kent M

“…The competitive threshold collision-induced dissociation technique is used to examine conformational effects on the relative gas-phase acidities of selected…”
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Experimental Techniques in Gas-Phase Ion Thermochemistry by Ervin, Kent M

“…Ervin explains how elegant mass spectrometric techniques can be used to determine fundamental thermochemical data for both ions and neutrals…”
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Anchoring the Gas-Phase Acidity Scale from Hydrogen Sulfide to Pyrrole. Experimental Bond Dissociation Energies of Nitromethane, Ethanethiol, and Cyclopentadiene by Ervin, Kent M, Nickel, Alex A, Lanorio, Jerry G, Ghale, Surja B

“…A meta-analysis of experimental information from a variety of sources is combined with statistical thermodynamics calculations to refine the gas-phase acidity…”
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Anchoring the Gas-Phase Acidity Scale by Ervin, Kent M, DeTuri, Vincent F

“…Theoretical calculations and experimental values from the recent literature are used to construct and evaluate a high precision gas-phase acidity scale…”
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Orientational effects in the direct Cl− + CH3Cl SN2 reaction at elevated collision energies: hard-ovoid line-of-centers collision model by Ervin, Kent M

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Gas-Phase Acidities and O−H Bond Dissociation Enthalpies of Phenol, 3-Methylphenol, 2,4,6-Trimethylphenol, and Ethanoic Acid by Angel, Laurence A, Ervin, Kent M

“…Energy-resolved, competitive threshold collision-induced dissociation (TCID) methods are used to measure the gas-phase acidities of phenol, 3-methylphenol,…”
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2140 Bond Energies and Counting: A Tribute to Peter B. Armentrout by Ervin, Kent M, Rodgers, Mary T

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Energy-Resolved Collision-Induced Dissociation of Peroxyformate Anion: Enthalpies of Formation of Peroxyformic Acid and Peroxyformyl Radical by Nickel, Alex A, Lanorio, Jerry G, Ervin, Kent M

“…We measure the oxygen–oxygen bond dissociation energy of the peroxyformate anion (HCO3 –) using energy-resolved collision-induced dissociation with a guided…”
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Threshold Collision-Induced Dissociation of Hydrogen-Bonded Dimers of Carboxylic Acids by Jia, Beike, Angel, Laurence A, Ervin, Kent M

“…Energy-resolved competitive collision-induced dissociation is used to investigate the proton-bound heterodimer anions of a series of carboxylic acids (formic,…”
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Optimization of a quadrupole ion storage trap as a source for time-of-flight mass spectrometry by Dangi, Beni B., Ervin, Kent M.

“…Designs of a quadrupole ion trap (QIT) as a source for time‐of‐flight (TOF) mass spectrometry are evaluated for mass resolution, ion trapping, and laser…”
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Microcanonical analysis of the kinetic method. The meaning of the “apparent entropy” by Ervin, Kent M.

“…A rigorous analysis of the kinetic method is carried out using Rice-Ramsperger-Kassel-Marcus (RRKM) theory of microcanonical statistical unimolecular…”
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Gas-Phase SN2 and Bromine Abstraction Reactions of Chloride Ion with Bromomethane:  Reaction Cross Sections and Energy Disposal into Products by Angel, Laurence A, Ervin, Kent M

“…Reaction cross sections and product velocity distributions are presented for the bimolecular gas-phase nucleophilic substitution (SN2) reaction Cl- + CH3Br →…”
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Systematic and random errors in ion affinities and activation entropies from the extended kinetic method by Ervin, Kent M., Armentrout, P. B.

“…An evaluation of the extended kinetic method with full entropy analysis was conducted using RRKM theory to simulate data for collision‐induced dissociation…”
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Hydrogen Atom Transfer Reactions of C2-, C4-, and C6-:  Bond Dissociation Energies of Linear H−C2n- and H−C2n (n = 1, 2, 3) by SHI, Yang, ERVIN, Kent M.

“…The reactions of C2-, C4-, and C6- with D2O and ND3 and of C4- with CH3OH, CH4, and C2H6 have been investigated using guided ion beam tandem mass spectrometry…”
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