1H-Pyrrole, 1-methyl-

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Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Quantity Value Units Method Reference Comment
IE (evaluated)7.99 ± 0.07eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
7.94 ± 0.02PICooper, Williamson, et al., 1980LLK
8.4EISucrow, Bethke, et al., 1971LLK
8.09 ± 0.01PIPotapov and Yuzhakova, 1970RDSH
7.95 ± 0.05PEBaker, Betteridge, et al., 1970RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H6N+11.2 ± 0.1HPIPotapov and Yuzhakova, 1970RDSH

De-protonation reactions

C5H6N- + Hydrogen cation = 1H-Pyrrole, 1-methyl-

By formula: C5H6N- + H+ = C5H7N

Quantity Value Units Method Reference Comment
Δr1643. ± 13.kJ/molG+TSDePuy, Kass, et al., 1988gas phase; Anion of N-methyl-pyrrole. Between Me2NH, H2O.; B
Quantity Value Units Method Reference Comment
Δr1615. ± 13.kJ/molIMRBDePuy, Kass, et al., 1988gas phase; Anion of N-methyl-pyrrole. Between Me2NH, H2O.; B

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Cooper, Williamson, et al., 1980
Cooper, C.D.; Williamson, A.D.; Miller, J.C.; Compton, R.N., Resonantly enhanced multiphoton ionization of pyrrole, N-methyl pyrrole, and furan, J. Chem. Phys., 1980, 73, 1527. [all data]

Sucrow, Bethke, et al., 1971
Sucrow, W.; Bethke, H.; Chondromatidis, G., Thermolyse von 1.2.4.5-Tetramethyl-hexahydro- 1.2.4.5-tetrazinen im Massenspektrometer, Tetrahedron Lett., 1971, 19, 1481. [all data]

Potapov and Yuzhakova, 1970
Potapov, V.K.; Yuzhakova, O.A., Photoionization and electronic structure of pyrrole and its methyl derivatives, Dokl. Akad. Nauk SSSR, 1970, 192, 131, In original 365. [all data]

Baker, Betteridge, et al., 1970
Baker, A.D.; Betteridge, D.; Kemp, N.R.; Kirby, R.E., Application of photoelectron spectrometry to pesticide analysis. Photoelectron spectra of fivemembered heterocycles and related molecules, Anal. Chem., 1970, 42, 1064. [all data]

DePuy, Kass, et al., 1988
DePuy, C.H.; Kass, S.R.; Bean, G.P., Formation and Reactions of Heteroaromatic Anions in the Gas Phase, J. Org. Chem., 1988, 53, 19, 4427, https://doi.org/10.1021/jo00254a001 . [all data]


Notes

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