Zobrazeno 1 - 10
of 165
pro vyhledávání: '"Charles H. DePuy"'
Autor:
Marin S. Robinson, Ditte L. Thomsen, Edwin L. Motell, Rustam Garrey, Zhe Chen Wang, Charles H. DePuy, Veronica M. Bierbaum
Publikováno v:
International Journal of Mass Spectrometry. 429:6-13
The reactions of the methyl cation with benzene and toluene in the gas phase have been examined using the flowing afterglow-selected ion flow-drift tube technique. With benzene four product ions are formed, C 6 H 6 + by electron transfer, C 6 H 5 + b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fcba0bb9daac427f028a454a712f8a7a
https://doi.org/10.1016/j.ijms.2017.03.009
https://doi.org/10.1016/j.ijms.2017.03.009
Publikováno v:
The Journal of Physical Chemistry A. 108:9887-9891
Rate constants and deuterium kinetic isotope effects (KIEs) are measured for gas-phase nucleophilic substitution (S N 2) reactions of solvated fluoride ions of F-(methanol) + CH 3 X (X = Br, I), F-(isopropyl alcohol) + CH 3 I, and F - (hydrogen fluor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffe5c960556b0a8f7f9fdb3d18c63061
https://doi.org/10.1021/jp040362j
https://doi.org/10.1021/jp040362j
Publikováno v:
European Journal of Mass Spectrometry. 10:225-231
Gas-phase reactions of nitromethane (1), nitroethane (2), 2-nitropropane (3), 2-methyl-2-nitropropane (4) and nitrocyclopropane (5) were studied at 300 K using the flowing afterglow technique. These nitroalkanes react with gas-phase bases HO−, CH3O
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2d3bf11ef767115236d5970b4e940404
https://doi.org/10.1255/ejms.628
https://doi.org/10.1255/ejms.628
Publikováno v:
International Journal of Mass Spectrometry. :223-229
Rate coefficients and secondary α-deuterium kinetic isotope effects (KIEs) for the nucleophilic substitution (S N 2) reactions of Cl − + CH 3 Br → CH 3 Cl + Br − , Cl − + CH 3 I → CH 3 Cl + I − , Br − + CH 3 I → CH 3 Br + I − , and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d19a7ca29df1b6997c41b26c588fa70
https://doi.org/10.1016/s1387-3806(01)00398-0
https://doi.org/10.1016/s1387-3806(01)00398-0
Autor:
Charles H. DePuy
Publikováno v:
International Journal of Mass Spectrometry. 200:79-96
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d873ef630ef72527b095b08e2778d1a
https://doi.org/10.1016/s1387-3806(00)00309-2
https://doi.org/10.1016/s1387-3806(00)00309-2
Publikováno v:
International Journal of Mass Spectrometry. :625-638
The selected ion flow tube technique is used to study 14 termolecular association reactions of hydroxide–water (OH − + H 2 O and OD − + D 2 O), methoxide–water (CH 3 O − + H 2 O, CH 3 O − + D 2 O, CD 3 O − + H 2 O, and CD 3 O − + D 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7b47e193ec26a84e2a15d481bce1238
https://doi.org/10.1016/s1387-3806(99)00197-9
https://doi.org/10.1016/s1387-3806(99)00197-9
Publikováno v:
Journal of the American Society for Mass Spectrometry. 10:840-847
Hydrogen/deuterium (H/D) exchange reactions of fluorophenyl and difluorophenyl anions (C6H4F−, o-C6H3F2−, m-C6H3F2−, p-C6H3F2−) have been studied using the flowing afterglow-selected ion flow tube technique. The C6H4F− anion exchanges all h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::102952a9b8c06fe214b6b10928267847
https://doi.org/10.1016/s1044-0305(99)00058-6
https://doi.org/10.1016/s1044-0305(99)00058-6
Autor:
Charles H. DePuy, G. Barney Ellison, Roustam Gareyev, W. Carl Lineberger, Eileen P. Clifford, Veronica M. Bierbaum, Paul G. Wenthold
Publikováno v:
The Journal of Chemical Physics. 109:10293-10310
The 3.531 eV negative ion photoelectron spectra of the hydroperoxide ion and the tert-butylperoxide ion have been studied. We find HO2−+ℏω351.1 nm→HO2+e− EA[HO2,X 2A″]=1.089±0.006 eV, (CH3)3COO−+ℏω351.1 nm→(CH3)3COO+e− EA[(CH3)3C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::342561e80220727fa6fa496c0ae2f20e
https://doi.org/10.1063/1.477725
https://doi.org/10.1063/1.477725
Publikováno v:
International Journal of Mass Spectrometry. :55-60
The reactions of BH2+, HBOH+, and H2BOH2+ with H2O have been studied in the gas phase by using a tandem flowing afterglow-selected ion flow tube apparatus. Proton transfer to H2O has been observed in the reactions with HBOH+ and H2BOH2+; addition and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::25771a8d43ea2fb4151e70279600f387
https://doi.org/10.1016/s1387-3806(98)14059-9
https://doi.org/10.1016/s1387-3806(98)14059-9
Autor:
Katherine M. Broadus, Eileen P. Clifford, G. Barney Ellison, Veronica M. Bierbaum, Paul G. Wenthold, Steven R. Kass, W. Carl Lineberger, Shuji Kato, Charles H. DePuy, George A. Petersson
Publikováno v:
The Journal of Physical Chemistry A. 102:7100-7112
138.4 ( 0.7 kcal mol -1 . We recommend revised experimental values for ¢fH0(HCN) ) 30.9 ( 0.7 kcal mol -1 and ¢fH298(HCN) ) 30.8 ( 0.7 kcal mol -1 and find that the reaction CH ( 2 ƒ) + N2 f HCN + N( 4 S) to be slightly endothermic, ¢rxnH0 ) 1.6
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a1739f3a1b4e3773e6849db20e4c156
https://doi.org/10.1021/jp9802735
https://doi.org/10.1021/jp9802735