2,7,8b,3,4b,6-Ethanediylidene dipentaleno[1,6-ab:1',6'-ef]pentalene, hexadecahydro-
- Formula: C20H20
- Molecular weight: 260.3728
- IUPAC Standard InChI: InChI=1S/C20H20/c1-5-13-7-2-8-14(13)6(1)18-10-3-9-15-11-4-12(16(10)15)20(8,18)19(7,11)17(5,9)18/h5-16H,1-4H2
- IUPAC Standard InChIKey: HRQVTWFSLAASTF-UHFFFAOYSA-N
- CAS Registry Number: 89683-62-5
- Chemical structure:
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Phase change 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: William E. Acree, Jr., James S. Chickos
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 90.2 ± 2.3 | 446. | T | Beckhaus, Ruechardt, et al., 1994 | Based on data from 418. to 473. K. |
Gas phase ion energetics data
Go To: Top, Phase change 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: Sharon G. Lias and Joel F. Liebman
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 8.17 | PE | Elsasser, Hassenruck, et al., 1991 |
References
Go To: Top, 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.
Beckhaus, Ruechardt, et al., 1994
Beckhaus, Hans-Dieter; Ruechardt, Christoph; Lagerwall, Dean R.; Paquette, Leo A.; Wahl, Fabian; Prinzbach, Horst,
Experimental Enthalpies of Formation and Strain Energies for the Caged C20H20 Pagodane and Dodecahedrane Frameworks,
J. Am. Chem. Soc., 1994, 116, 26, 11775-11778, https://doi.org/10.1021/ja00105a018
. [all data]
Elsasser, Hassenruck, et al., 1991
Elsasser, D.; Hassenruck, K.; Martin, H.-D.; Lutz, G.; Prinzbach, H.,
Nonconjugated π,π Conjugation - PE-Spectroscopic investigation of the 7,8:12,19-diseco-1,16-dodecahedradiene system,
Chem. Ber., 1991, 124, 2863. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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