Tetraborane(8)
- Formula: B4H8
- Molecular weight: 51.308
- CAS Registry Number: 12007-71-5
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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to H8B4+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 187.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 179.8 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.9 ± 0.3 | EI | Paine, Sodeck, et al., 1972 | LLK |
| 10.2 ± 0.5 | EI | Hollins and Stafford, 1970 | RDSH |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Paine, Sodeck, et al., 1972
Paine, R.T.; Sodeck, G.; Stafford, F.E.,
Molecular beam mass spectra and pyrolyses of fluorophosphine-triborane(7) complexes. Formation and mass spectrum of triborane(7),
Inorg. Chem., 1972, 11, 2593. [all data]
Hollins and Stafford, 1970
Hollins, R.E.; Stafford, F.E.,
Molecular beam mass spectra and pyrolysis of pentaborane(9), tetraborane carbonyl, and pentaborane(ll). Formation and mass spectrum of tetraborane(8),
Inorg. Chem., 1970, 9, 877. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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