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Title: High-resolution FTIR spectroscopy of the ν11 and ν2 + ν7 bands of ethylene-d4
Authors: Goh, K.L.
Tan, T.L.
Ong, P.P. 
Teo, H.H.
Issue Date: 10-May-2002
Citation: Goh, K.L.,Tan, T.L.,Ong, P.P.,Teo, H.H. (2002-05-10). High-resolution FTIR spectroscopy of the ν11 and ν2 + ν7 bands of ethylene-d4. Molecular Physics 98 (9) : 583-587. ScholarBank@NUS Repository.
Abstract: The Fourier transform infrared spectrum of the ν11 band of ethylene-d4 (C2D4) has been recorded with an unapodized resolution of 0.006 cm-1 in the frequency range 2150 to 2250 cm-1. The ν11 band, with a band centre of about 2201 cm-1, was found to be perturbed fitting a total of 772 infrared transitions of ν11 using a Watson's A-reduced Hamiltonian in the Iγ representation with the inclusion of b-type Coriolis interaction term, two sets of constants, up to quartic distortion constants for the ν11 = 1 state, and principal rotational constants for the ν2 + ν7 = 1 dark state, were derived. The inertia defect of the ν11 state was found to be 0.0693 ± 0.0004 u Å2.
Source Title: Molecular Physics
ISSN: 00268976
DOI: 10.1080/002689700162261
Appears in Collections:Staff Publications

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