Rotational-vibration analysis of the n=0, nν6+ν1−nν6 subband in the hydrogen-bonded system 16O 12C ⋅⋅⋅ 1H 19F
- 1 July 1983
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 79 (1) , 78-80
- https://doi.org/10.1063/1.445516
Abstract
Thirty‐three P(J) branch and 15 R(J) branch transitions associated with the n=0, nν6+ν1−nν6 vibration in 16O 12C ⋅⋅⋅ 1H 19F have been assigned. Rotational constants B, centrifugal distortion constants DJ, rotational‐vibrational interaction constant α1, and the frequency of the band origin ν0, have been determined as: B″=0.102 148(14)cm−1; B′=0.104 196(14) cm−1; D″J=3.6(1.8)×10−7 cm−1; D″J=3.8 (1.8)×10−7 cm−1; α1=−61.4(5) MHz; ν0=3844.0294 (50) cm−1. The spectrum is consistent with a linear complex having a hydrogen bond ν6 bending frequency of 75±12 cm−1 and excited state r(C⋅⋅⋅F) distance of 3.012 Å. A lower limit to the excited state lifetime is set at ≥2.8×10−10 s.Keywords
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