Boron oxide anion
- Formula: BO2-
- Molecular weight: 42.810
- CAS Registry Number: 14100-65-3
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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.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°gas,1 bar | 215.92 | J/mol*K | Review | Chase, 1998 | Data last reviewed in December, 1968 |
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
BO2- + = HBO2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1351. ± 23. | kJ/mol | D-EA | Zhai, Wang, et al., 2007 | gas phase |
ΔrH° | 1356. ± 26. | kJ/mol | D-EA | Sidorov, Rudnyi, et al., 1983 | gas phase; value altered from reference due to conversion from electron convention to ion convention |
Vibrational and/or electronic energy levels
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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: Marilyn E. Jacox
State: ?
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Td = 35985 ± 240 | gas | Zhai, Wang, et al., 2007, 2 | |||||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
Πu | 2 | Bend | 587.8 | Ar | IR | Burkholder and Andrews, 1991 | |
Σu+ | 3 | Asym. stretch | 1931.0 | Ar | IR | Burkholder and Andrews, 1991 | |
3 | Asym. stretch | 1926.1 | Kr | IR | Burkholder and Andrews, 1991 | ||
3 | Asym. stretch | 1915.6 | Xe | IR | Burkholder and Andrews, 1991 | ||
3 | Asym. stretch | 1925.8 | O2 | IR | Burkholder and Andrews, 1991 | ||
Additional references: Jacox, 1994, page 84
Notes
d | Photodissociation threshold |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
Zhai, Wang, et al., 2007
Zhai, H.J.; Wang, L.M.; Li, S.D.; Wang, L.S.,
Vibrationally resolved photoelectron spectroscopy of BO- and BO2-: A joint experimental and theoretical study,
J. Phys. Chem. A, 2007, 111, 6, 1030-1035, https://doi.org/10.1021/jp0666939
. [all data]
Sidorov, Rudnyi, et al., 1983
Sidorov, L.N.; Rudnyi, E.B.; Nikitin, M.I.; Sorokin, I.D.,
Gas Phase Anion Exchange Reactions and the Determination of the Heats of Formation of Metaphosphate (PO3-), metaborate (BO2-), and perrhennate (ReO4-),
Dokl. Akad. Nauk SSSR Ser. Khim., 1983, 272, 1172. [all data]
Zhai, Wang, et al., 2007, 2
Zhai, H.-J.; Wang, L.-M.; Li, S.-D.; Wang, L.-S.,
Vibrationally Resolved Photoelectron Spectroscopy of BO,
J. Phys. Chem. A, 2007, 111, 6, 1030, https://doi.org/10.1021/jp0666939
. [all data]
Burkholder and Andrews, 1991
Burkholder, T.R.; Andrews, L.,
Reactions of boron atoms with molecular oxygen. Infrared spectra of BO, BO2, B2O2, B2O3, and BO-2 in solid argon,
J. Chem. Phys., 1991, 95, 12, 8697, https://doi.org/10.1063/1.461814
. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Notes
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- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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