Boron dicarbide
- Formula: C2B
- Molecular weight: 34.832
- CAS Registry Number: 12539-98-9
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Gas phase ion energetics data
Go To: Top, Vibrational and/or electronic energy levels, 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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Ionization energy determinations
IE (eV) | Method | Reference |
---|---|---|
10.7 | EI | Verhaegen, Stafford, et al., 1964 |
10.4 ± 0.6 | EI | Verhaegen, Stafford, et al., 1962 |
Vibrational and/or electronic energy levels
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: Marilyn E. Jacox
State: B
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 11745 ± 3 | Ne | Wyss, Grutter, et al., 1998 | |||||
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 6296 | Ne | Wyss, Grutter, et al., 1998 | |||||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 2 | CBC s-stretch | 1196.8 ± 1.0 | Ne | IR | Wyss, Grutter, et al., 1998 | |
2 | CBC s-stretch | 1194.6 | Ar | IR | Martin, Taylor, et al., 1993 Presilla-Marquez, Larson, et al., 1996 | ||
Additional references: Jacox, 1994, page 62; Jacox, 1998, page 164; Jacox, 2003, page 62
Notes
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
References
Go To: Top, Gas phase ion energetics 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.
Verhaegen, Stafford, et al., 1964
Verhaegen, G.; Stafford, F.E.; Drowart, J.,
Mass spectrometric study of the systems boron-carbon and boron-carbon-silicon,
J. Chem. Phys., 1964, 40, 1622. [all data]
Verhaegen, Stafford, et al., 1962
Verhaegen, G.; Stafford, F.E.; Ackerman, M.; Drowart, J.,
Mass spectrometric investigation of gaseous species in the system boron-carbon,
Nature, 1962, 193, 1280. [all data]
Wyss, Grutter, et al., 1998
Wyss, M.; Grutter, M.; Maier, J.P.,
Electronic Absorption Spectra of BC, BC,
J. Phys. Chem. A, 1998, 102, 46, 9106, https://doi.org/10.1021/jp9830530
. [all data]
Martin, Taylor, et al., 1993
Martin, J.M.L.; Taylor, P.R.; Yustein, J.T.; Burkholder, T.R.; Andrews, L.,
Pulsed laser evaporation of boron/carbon pellets: Infrared spectra and quantum chemical structures and frequencies for BC2,
J. Chem. Phys., 1993, 99, 1, 12, https://doi.org/10.1063/1.465792
. [all data]
Presilla-Marquez, Larson, et al., 1996
Presilla-Marquez, J.D.; Larson, C.W.; Carrick, P.G.; Rittby, C.M.L.,
Fourier transform infrared spectroscopy of the ν2 vibration of BC2 in Ar at 10 K,
J. Chem. Phys., 1996, 105, 9, 3398, https://doi.org/10.1063/1.472225
. [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]
Jacox, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [all data]
Jacox, 2003
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement B,
J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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