Benzvalene
- Formula: C6H6
- Molecular weight: 78.1118
- IUPAC Standard InChIKey: VMQPMGHYRISRHO-UHFFFAOYSA-N
- CAS Registry Number: 659-85-8
- Chemical structure:
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Reaction thermochemistry data
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C6H6 = C6H6
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -67.5 ± 0.3 | kcal/mol | Ciso | Turro, Renner, et al., 1976 | liquid phase |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry 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 as indicated in comments:
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
View reactions leading to C6H6+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.1 | PE | Rosenstock, Dannacher, et al., 1982 | LBLHLM |
8.54 ± 0.04 | PE | Harman, Kent, et al., 1977 | Vertical value; LLK |
8.55 | PE | Bischof, Gleiter, et al., 1976 | Vertical value; LLK |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Turro, Renner, et al., 1976
Turro, N.J.; Renner, C.A.; Katz, T.J.; Wiberg, K.B.; Connon, H.A.,
Kinetics and thermochemistry of the rearrangement of benzvalene to benzene. An energy sufficient but non-chemiluminescent reaction,
Tetrahedron Lett., 1976, 4133-4136. [all data]
Rosenstock, Dannacher, et al., 1982
Rosenstock, H.M.; Dannacher, J.; Liebman, J.F.,
The role of excited electronic states in ion fragmentation: C6H6+,
Radiat. Phys. Chem., 1982, 20, 7. [all data]
Harman, Kent, et al., 1977
Harman, P.J.; Kent, J.E.; Gan, T.H.; Peel, J.B.; Willett, G.D.,
The photoelectron spectrum of benzvalene,
J. Am. Chem. Soc., 1977, 99, 943. [all data]
Bischof, Gleiter, et al., 1976
Bischof, P.; Gleiter, R.; Hafner, K.; Kobayashi, M.; Spanget-Larsen, J.,
Polarized absorption and photoelectron spectra of aceheptylene, 3,5-dimethylaceheptylene and 3,5,8,10-tetramethylaceheptylene,
Ber. Bunsen-Ges. Phys. Chem., 1976, 80, 532. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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