OBrO
- Formula: BrO2
- Molecular weight: 111.903
- CAS Registry Number: 21255-83-4
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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: C
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 15861.5 ± 2.2 | gas | C-X | 388 | 645 | Rattigan, Jones, et al., 1994 | ||
Miller, Nickolaisen, et al., 1997 | |||||||
Knight, Ravishankara, et al., 2000 | |||||||
Fleischmann, Meyer-Arneck, et al., 2005 | |||||||
To = 15818.4 ± 0.2 | Ne | C-X | 482 | 632 | Lee and Lee, 2000 | ||
To = 16785 ± 20 | Ar | C-X | 400 | 600 | Maier and Bothur, 1995 | ||
Kolm, Engdahl, et al., 1997 | |||||||
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 1 | Sym. stretch | 641.5 | gas | AB | Rattigan, Jones, et al., 1994 Miller, Nickolaisen, et al., 1997 | |
1 | Sym. stretch | 642.77 ± 0.13 | Ne | AB | Lee and Lee, 2000 | ||
1 | Sym. stretch | 631 | T | Ar | AB | Kolm, Engdahl, et al., 1997 | |
2 | Bend | 210.7 | gas | AB | Rattigan, Jones, et al., 1994 Miller, Nickolaisen, et al., 1997 | ||
2 | Bend | 223.2 ± 0.4 | Ne | AB | Lee and Lee, 2000 | ||
2 | Bend | 221 | T | Ar | AB | Kolm, Engdahl, et al., 1997 | |
b2 | 3 | Asym. stretch | 463 | H | Ne | AB | Lee and Lee, 2000 |
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 1 | Sym. stretch | 799.4 | gas | AB IR | Miller, Nickolaisen, et al., 1997 Chu and Li, 2000 Fleischmann, Meyer-Arneck, et al., 2005 | |
1 | Sym. stretch | 797.6 | Ne | IR | Lee and Lee, 2000 | ||
1 | Sym. stretch | 795.7 | Ar | IR | Maier and Bothur, 1995 Kolm, Engdahl, et al., 1997 | ||
2 | Bend | 312.2 ± 0.5 | gas | AB | Miller, Nickolaisen, et al., 1997 Fleischmann, Meyer-Arneck, et al., 2005 | ||
2 | Bend | 317.0 | Ar | IR | Kolm, Engdahl, et al., 1997 | ||
b2 | 3 | Asym. stretch | 848.6 | gas | IR | Muller, Miller, et al., 1996 Chu and Li, 2000 | |
3 | Asym. stretch | 848.4 | Ne | IR | Lee and Lee, 2000 | ||
3 | Asym. stretch | 845.2 | Ar | IR | Tevault, Walker, et al., 1978 Maier and Bothur, 1995 Kolm, Engdahl, et al., 1997 | ||
Additional references: Jacox, 1994, page 114; Jacox, 1998, page 206; Jacox, 2003, page 150; Muller, Miller, et al., 1997
Notes
H | (1/2)(2ν) |
T | Tentative assignment or approximate value |
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
References
Go To: Top, 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.
Rattigan, Jones, et al., 1994
Rattigan, O.V.; Jones, R.L.; Cox, R.A.,
The visible spectrum of gaseous OBrO,
Chem. Phys. Lett., 1994, 230, 1-2, 121, https://doi.org/10.1016/0009-2614(94)01129-X
. [all data]
Miller, Nickolaisen, et al., 1997
Miller, C.E.; Nickolaisen, S.L.; Francisco, J.S.; Sander, S.P.,
The OBrO C([sup 2]A[sub 2])←X([sup 2]B[sub 1]) absorption spectrum,
J. Chem. Phys., 1997, 107, 7, 2300, https://doi.org/10.1063/1.474606
. [all data]
Knight, Ravishankara, et al., 2000
Knight, G.; Ravishankara, A.R.; Burkholder, J.B.,
Laboratory Studies of OBrO,
J. Phys. Chem. A, 2000, 104, 47, 11121, https://doi.org/10.1021/jp002226u
. [all data]
Fleischmann, Meyer-Arneck, et al., 2005
Fleischmann, O.C.; Meyer-Arneck, J.; Burrows, J.P.; Orphal, J.,
The Visible Absorption Spectrum of OBrO, Investigated by Fourier Transform Spectroscopy,
J. Phys. Chem. A, 2005, 109, 23, 5093, https://doi.org/10.1021/jp044911x
. [all data]
Lee and Lee, 2000
Lee, Y.-C.; Lee, Y.-P.,
The Visible Absorption Spectrum of,
J. Phys. Chem. A, 2000, 104, 30, 6951, https://doi.org/10.1021/jp000527y
. [all data]
Maier and Bothur, 1995
Maier, G.; Bothur, A.,
Bromsuperoxid: Bildung und Photoisomerisierung zu Bromdioxid,
Z. Anorg. Allg. Chem., 1995, 621, 5, 743, https://doi.org/10.1002/zaac.19956210509
. [all data]
Kolm, Engdahl, et al., 1997
Kolm, J.; Engdahl, A.; Schrems, O.; Nelander, B.,
A spectroscopic and photoisomerisation study of bromine dioxides in argon matrices,
Chem. Phys., 1997, 214, 2-3, 313, https://doi.org/10.1016/S0301-0104(96)00307-2
. [all data]
Chu and Li, 2000
Chu, L.T.; Li, Z.,
Fourier transform infrared spectroscopic study of Br2O and OBrO,
Chem. Phys. Lett., 2000, 330, 1-2, 68, https://doi.org/10.1016/S0009-2614(00)01090-3
. [all data]
Muller, Miller, et al., 1996
Muller, H.S.P.; Miller, C.E.; Cohen, E.A.,
Dibrommonoxid, Br2O, und Bromdioxid, OBrO: spektroskopische Eigenschaften, Molekülstrukturen und harmonische Kraftfelder,
Angew. Chem., 1996, 108, 18, 2285, https://doi.org/10.1002/ange.19961081832
. [all data]
Tevault, Walker, et al., 1978
Tevault, D.E.; Walker, N.; Smardzewski, R.R.; Fox, W.B.,
Infrared spectra of the BrO and OBrO free radicals and of BrOBr and BrBrO molecules in Solid Argon at 10K,
J. Phys. Chem., 1978, 82, 25, 2733, https://doi.org/10.1021/j100514a022
. [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]
Muller, Miller, et al., 1997
Muller, H.S.P.; Miller, C.E.; Cohen, E.A.,
The rotational spectrum and molecular properties of bromine dioxide, OBrO,
J. Chem. Phys., 1997, 107, 20, 8292, https://doi.org/10.1063/1.475030
. [all data]
Notes
Go To: Top, Vibrational and/or electronic energy levels, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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