Methylene, bromochloro-


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:   A


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

To = 16197 ± 6 gas A-X 470 704 Schlachta, Lask, et al., 1991
Xu and Harmony, 1993
Richmond, Guss, et al., 2003
To = 16044 Ar A-X 540 776 Tevault and Andrews, 1975
Bondybey and English, 1980


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a' 1 CCl stretch 961.2 ± 2.0 gas LF Richmond, Guss, et al., 2003
Richmond, Guss, et al., 2005
1 CCl stretch 684 T Ar LF Bondybey and English, 1980
2 Bend 240.2 gas LF Schlachta, Lask, et al., 1991
Richmond, Guss, et al., 2003
Richmond, Guss, et al., 2005
2 Bend 246 Ar LF Bondybey and English, 1980
3 CBr stretch 528.3 gas LF Schlachta, Lask, et al., 1991
Richmond, Guss, et al., 2003
Richmond, Guss, et al., 2005
3 CBr stretch 526 Ar LF Bondybey and English, 1980

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a' 1 CCl stretch 757.8 ± 2.0 gas LF Richmond, Guss, et al., 2003
Tao, Mukarakate, et al., 2007
1 CCl stretch 744 Ar IR Andrews and Carver, 1968
Maltsev, Nefedov, et al., 1971
Fridgen, Zhang, et al., 2000
2 Bend 263.2 ± 1.5 gas LF Xu and Harmony, 1993
Richmond, Guss, et al., 2003
Tao, Mukarakate, et al., 2007
2 Bend 260 Ar LF Tevault and Andrews, 1975
Bondybey and English, 1980
3 CBr stretch 619 ± 3 gas LF Xu and Harmony, 1993
Richmond, Guss, et al., 2003
Tao, Mukarakate, et al., 2007
3 CBr stretch 611 Ar IR Andrews and Carver, 1968
Maltsev, Nefedov, et al., 1971
Fridgen, Zhang, et al., 2000

Additional references: Jacox, 1994, page 99; Jacox, 2003, page 139

Notes

TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.

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.

Schlachta, Lask, et al., 1991
Schlachta, R.; Lask, G.; Stangassinger, A.; Bondybey, V.E., Laser-induced fluorescence excitation spectrum of supersonically cooled bromochlorocarbene in the gas phase, J. Phys. Chem., 1991, 95, 19, 7132, https://doi.org/10.1021/j100172a008 . [all data]

Xu and Harmony, 1993
Xu, S.; Harmony, M.D., Halocarbene production in free-jet expansions from a hot nozzle, Chem. Phys. Lett., 1993, 205, 6, 502, https://doi.org/10.1016/0009-2614(93)80004-9 . [all data]

Richmond, Guss, et al., 2003
Richmond, C.A.; Guss, J.S.; Nauta, K.; Kable, S.H., Rovibronic spectroscopy of the transition in the bromochloromethylene radical, J. Mol. Spectrosc., 2003, 220, 1, 137, https://doi.org/10.1016/S0022-2852(03)00107-3 . [all data]

Tevault and Andrews, 1975
Tevault, D.E.; Andrews, L., Laser-induced fluorescence studies of alkali metal atom-carbon tetrahalide matrix reaction products. Fluorescence spectra of dibromome thylene and bromochloromethylene in solid argon at 15.deg.K, J. Am. Chem. Soc., 1975, 97, 7, 1707, https://doi.org/10.1021/ja00840a014 . [all data]

Bondybey and English, 1980
Bondybey, V.E.; English, J.H., Laser excitation spectra and lifetimes of CBrCl and CBr2 in solid Ar, J. Mol. Spectrosc., 1980, 79, 2, 416, https://doi.org/10.1016/0022-2852(80)90222-2 . [all data]

Richmond, Guss, et al., 2005
Richmond, C.A.; Guss, J.S.; Nauta, K.; Kable, S.H., Reassignment of the C--Cl stretching frequency in the Ã(1A´´) state of CBrCl, J. Mol. Spectrosc., 2005, 231, 1, 96, https://doi.org/10.1016/j.jms.2004.12.007 . [all data]

Tao, Mukarakate, et al., 2007
Tao, C.; Mukarakate, C.; Reid, S.A., Single vibronic level emission spectroscopy of the system of bromochlorocarbene, J. Mol. Spectrosc., 2007, 246, 1, 113, https://doi.org/10.1016/j.jms.2007.08.007 . [all data]

Andrews and Carver, 1968
Andrews, L.; Carver, T.G., Reactions of Alkali-Metal Atoms with Carbon Tetrabromide. Infrared Spectra and Bonding in the Tribromomethyl Radical and Dibromocarbene in Solid Argon, J. Chem. Phys., 1968, 49, 2, 896, https://doi.org/10.1063/1.1670158 . [all data]

Maltsev, Nefedov, et al., 1971
Maltsev, A.K.; Nefedov, O.M.; Hauge, R.H.; Margrave, J.L.; Seyferth, D., Matrix-isolation study of the pyrolysis of bromochloromethyl-substituted organomercury compounds. Infrared spectra of the bromochlorocarbene andree radicals CCl2Br and CClBr2, J. Phys. Chem., 1971, 75, 26, 3984, https://doi.org/10.1021/j100695a013 . [all data]

Fridgen, Zhang, et al., 2000
Fridgen, T.D.; Zhang, X.K.; Parnis, J.M.; March, R.E., Isomerization and Fragmentation Products of CH, J. Phys. Chem. A, 2000, 104, 16, 3487, https://doi.org/10.1021/jp993162u . [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, 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

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