Boron anion
- Formula: B-
- Molecular weight: 10.812
- CAS Registry Number: 18869-19-7
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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 as indicated in comments:
B - John E. Bartmess
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | 538. ± 11. | kJ/mol | Acid | Scheer, Bilodeau, et al., 1998 | tunable IR laser; B |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas,1 bar | 156.81 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1983 |
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 by: John E. Bartmess
Protonation reactions
B- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1622. ± 8.8 | kJ/mol | D-EA | Scheer, Bilodeau, et al., 1998 | gas phase; tunable IR laser |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 1594. ± 9.2 | kJ/mol | H-TS | Scheer, Bilodeau, et al., 1998 | gas phase; tunable IR laser |
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.
Scheer, Bilodeau, et al., 1998
Scheer, M.; Bilodeau, R.C.; Haugen, H.K.,
Negative ion of boron: An experimental study of the P-3 ground state,
Phys. Rev. Lett., 1998, 80, 12, 2562-2565, https://doi.org/10.1103/PhysRevLett.80.2562
. [all data]
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Notes
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- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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