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 |
Reaction 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual 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 |
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
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry 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.
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
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- 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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