Cycloheptane

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Gas phase ion energetics data

Go To: Top, Mass spectrum (electron ionization), References, Notes

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
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Quantity Value Units Method Reference Comment
IE (evaluated)9.9 ± 0.1eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
9.82 ± 0.05EIHolmes and Lossing, 1991LL
9.96EQSieck and Mautner(Meot-Ner), 1982LBLHLM
9.97PEPuttemans, 1974LLK
9.88 ± 0.05EIPuttemans, 1974LLK

De-protonation reactions

C7H13- + Hydrogen cation = Cycloheptane

By formula: C7H13- + H+ = C7H14

Quantity Value Units Method Reference Comment
Δr415.6 ± 4.8kcal/molBranPeerboom, Rademaker, et al., 1992gas phase; B
Quantity Value Units Method Reference Comment
Δr406.7 ± 4.9kcal/molH-TSPeerboom, Rademaker, et al., 1992gas phase; B

Mass spectrum (electron ionization)

Go To: Top, Gas phase ion energetics data, References, Notes

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

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-3926
NIST MS number 231525

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References

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

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

Holmes and Lossing, 1991
Holmes, J.L.; Lossing, F.P., Ionization energies of homologous organic compounds and correlation with molecular size, Org. Mass Spectrom., 1991, 26, 537. [all data]

Sieck and Mautner(Meot-Ner), 1982
Sieck, L.W.; Mautner(Meot-Ner), M., Ionization energies and entropies of cycloalkanes. Kinetics of free energy controlled charge-transfer reactions, J. Phys. Chem., 1982, 86, 3646. [all data]

Puttemans, 1974
Puttemans, J.P., Ionisation de cycloalcanes (C5 a C12) en spectroscopie photoelectronique et par impact electronique, Ing. Chim. (Brussels), 1974, 56, 64. [all data]

Peerboom, Rademaker, et al., 1992
Peerboom, R.A.L.; Rademaker, G.J.; Dekoning, L.J.; Nibbering, N.M.M., Stabilization of Cycloalkyl Carbanions in the Gas Phase, Rapid Commun. Mass Spectrom., 1992, 6, 6, 394, https://doi.org/10.1002/rcm.1290060608 . [all data]


Notes

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References