Syn-(5,16:8,13)-diethenodibenzo[a,g]cyclododecene 6,7,14,15-tetrahydro-
- Formula: C24H20
- Molecular weight: 308.4156
- IUPAC Standard InChI: InChI=1S/C24H20/c1-2-6-22-18-10-9-17(21(22)5-1)13-14-19-11-12-20(16-15-18)24-8-4-3-7-23(19)24/h1-12H,13-16H2
- IUPAC Standard InChIKey: FETNXYIKSUXFQS-UHFFFAOYSA-N
- CAS Registry Number: 14724-91-5
- 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
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Individual Reactions
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By formula: C24H20 = C24H20
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -6.5 | kcal/mol | Cm | McBride, Keehn, et al., 1969 | solid phase; Differential scanning range -5.9 to-7.2 kcal/mol |
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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.25 | PE | Kovac, Allan, et al., 1980 | Vertical value; LLK |
| 7.50 | PE | Kovac, Allan, et al., 1980 | 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.
McBride, Keehn, et al., 1969
McBride, J.M.; Keehn, P.M.; Wasserman, H.H.,
Thermochemistry of syn- and anti-[2.2](1,4)naphthalenophane and dibenzoequinine,
Tetrahedron Lett., 1969, 4147-4150. [all data]
Kovac, Allan, et al., 1980
Kovac, B.; Allan, M.; Heilbronner, E.; Maier, J.P.; Gleiter, R.; Haenel, M.W.; Keehn, P.M.; Reiss, J.A.,
He(Iα) photoelectron spectra of [2.2]cyclophanes,
J. Electron Spectrosc. Relat. Phenom., 1980, 19, 167. [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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