Pentacene anion
- Formula: C22H14-
- Molecular weight: 278.3471
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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: John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 52.5 ± 1.4 | kcal/mol | R-EA | Crocker, Wang, et al., 1993 | ΔGea(584 K) = -31.2 kcal/mol; ΔSea (estimated) = -1.5 eu (anthracene, Chowdhury, Heinis, et al., 1986) |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Crocker, Wang, et al., 1993
Crocker, L.; Wang, T.B.; Kebarle, P.,
Electron Affinities of Some Polycyclic Aromatic Hydrocarbons, Obtained from Electron-Transfer Equilibria,
J. Am. Chem. Soc., 1993, 115, 17, 7818, https://doi.org/10.1021/ja00070a030
. [all data]
Chowdhury, Heinis, et al., 1986
Chowdhury, S.; Heinis, T.; Grimsrud, E.P.; Kebarle, P.,
Entropy Changes and Electron Affinities from Gas-Phase Electron Transfer Equilibria: A- + B = A + B-,
J. Phys. Chem., 1986, 90, 12, 2747, https://doi.org/10.1021/j100403a037
. [all data]
Notes
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- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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