Dicyclopropa[cd,gh]pentalene,octahydro-
- Formula: C8H10
- Molecular weight: 106.1650
- IUPAC Standard InChIKey: WPZRDFCTXNEVRC-UHFFFAOYSA-N
- CAS Registry Number: 765-72-0
- Chemical structure:
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Gas phase thermochemistry 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 compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | 180. | kJ/mol | Chyd | Roth, Adamczak, et al., 1991 | |
ΔfH°gas | 180. ± 4.2 | kJ/mol | Ccb | Hassenruck, Martin, et al., 1987 |
Condensed phase thermochemistry 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 compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | 138.2 ± 0.96 | kJ/mol | Ccb | Hassenruck, Martin, et al., 1987 |
Phase change 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 compiled by: Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 41.8 | kJ/mol | N/A | Hassenruck, Martin, et al., 1987 |
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 compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C8H10+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.4 | PE | Martin, Heller, et al., 1974 | LLK |
9.12 ± 0.02 | PE | Martin, Heller, et al., 1974 | Vertical value; LLK |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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.
Roth, Adamczak, et al., 1991
Roth, W.R.; Adamczak, O.; Breuckmann, R.; Lennartz, H.-W.; Boese, R.,
Die Berechnung von Resonanzenergien; das MM2ERW-Kraftfeld,
Chem. Ber., 1991, 124, 2499-2521. [all data]
Hassenruck, Martin, et al., 1987
Hassenruck, K.; Martin, H.-D.; Mayer, B.; Urbanek, T.; Zirwes, T.; Walsh, R.; Beckhaus, H.-D.,
An Experimental Approach to the C8H10 Hypersurface. Kinetic and Thermochemical Investigations on a Formally Forbidden Ground-state [2σ + 2π] Cycloaddition,
Chem. Ber., 1987, 120, 177-186. [all data]
Martin, Heller, et al., 1974
Martin, H.-D.; Heller, C.; Werp, J.,
Bishomofulvenkonjugation. Photoelektronenspektren und elektronenstruktur homologer quadricyclane,
Chem. Ber., 1974, 107, 1393. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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