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The ν2and ν8+ ν10Bands of CF2=CH2

✍ Scribed by W.F. Wang; T.L. Tan; P.P. Ong

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
237 KB
Volume
181
Category
Article
ISSN
0022-2852

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✦ Synopsis

The high-resolution FTIR spectrum of CF 2 |CH 2 was measured and analyzed in the Fermi interacting n 2 and n 8 / n 10 bands around 1735 cm 01 . Both bands have strong infrared absorption with an A-type appearance. Watson's Areduced Hamiltonian in the I r representation was employed in the computation of the energy levels, taking into account the Fermi resonance contribution. A total of 2119 n 2 transitions and 2056 n 8 / n 10 transitions were eventually assigned with a rms deviation of 0.00075 cm 01 . In a nonlinear least-squares fit, accurate rovibrational constants of the upper states were determined with the band origins n 2 Å 1728.49829 { 0.00005 cm 01 and n 8 / n 10 Å 1741.50207 { 0.00004 cm 01 . Finally, a set of equilibrium rotational constants of CF 2 |CH 2 were derived.

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