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Ethyne, difluoro-


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:   X


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

Sigmag+ 1 CC stretch 2436 T gas IR Burger, Schneider, et al., 1991
McNaughton and Elmes, 1992
2 CF s-stretch 787 T gas IR Burger, Schneider, et al., 1991
McNaughton and Elmes, 1992
Sigmau+ 3 CF a-stretch 1349.524 gas IR Burger, Schneider, et al., 1991
Burger and Sommer, 1992
McNaughton and Elmes, 1992
3 CF a-stretch 1346.9 vs Ne IR Burger, Schneider, et al., 1991
3 CF a-stretch 1340.7 vs Ar IR Brahms and Dailey, 1989
Burger, Schneider, et al., 1991
Pig 4 Bend 270 T gas IR Burger, Schneider, et al., 1991
McNaughton and Elmes, 1992
Piu 5 Bend 268 T gas IR McNaughton and Elmes, 1992
5 Bend 286.7 w Ar IR Burger, Schneider, et al., 1991
5 Bend 279.3 w Ar IR Burger, Schneider, et al., 1991

Additional references: Jacox, 1994, page 197

Notes

wWeak
vsVery strong
TTentative assignment or approximate value

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.

Burger, Schneider, et al., 1991
Burger, H.; Schneider, W.; Sommer, S.; Thiel, W.; Willner, H., The vibrational spectrum and rotational constants of difluoroethyne FC 3/4 CF. Matrix and high resolution infrared studies and ab initio calculations, J. Chem. Phys., 1991, 95, 8, 5660, https://doi.org/10.1063/1.461640 . [all data]

McNaughton and Elmes, 1992
McNaughton, D.; Elmes, P., Spectrochim. Acta, 1992, 48A, 605. [all data]

Burger and Sommer, 1992
Burger, H.; Sommer, S., The high-resolution infrared spectrum of FC«58876»CF: The 1350 and 2150 cm-1 regions, J. Mol. Spectrosc., 1992, 151, 1, 148, https://doi.org/10.1016/0022-2852(92)90011-C . [all data]

Brahms and Dailey, 1989
Brahms, J.C.; Dailey, W.P., Difluoromaleic anhydride as a source of matrix isolated difluoropropadienone, difluorocyclopropenone and difluoroacetylene, J. Am. Chem. Soc., 1989, 111, 24, 8940, https://doi.org/10.1021/ja00206a039 . [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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