Infrared diode laser spectrum of the ν1 band of CF2 (X̃ 1A1)
- 15 December 1981
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 75 (12) , 5602-5608
- https://doi.org/10.1063/1.441998
Abstract
The ν1 fundamental band of difluorocarbene (CF2) in its ground electronic state has been investigated using diode laser absorption spectroscopy. Several RQ branches have been assigned and analyzed. The effects of asymmetry doubling become measurably large in Q branches with low K and in RQ3 provide a rigorous test of the assignment. Combined with microwave data for the ground state, the diode laser spectra yield v = 1 rotational constants and the first accurate measurement of the band center: ν1 = 1225.0793(40) cm−1.Keywords
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