Raman spectra of asymmetric top molecules. Part 1.—The pure rotational spectrum of ethylene
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
- Vol. 71, 812-826
- https://doi.org/10.1039/f29757100812
Abstract
From an investigation of the rotational Raman spectrum of ethylene, single transitions were assigned which allowed the determination of all three rotational constants: A0= 4.8666± 0.0040 cm–1, B0= 1.00076± 0.00013 cm–1, C0= 0.828 48± 0.000 16 cm–1. The spectrum was also computer simulated using an asymmetric rotor programme and, from a comparison of observed and calculated spectra, values were determined for the principal polarisabilities of the molecule: αzz= 5.40 Å3, αxx= 3.86 Å3, αyy= 3.40 Å3.Keywords
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