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|Title:||High-resolution Fourier transform infrared spectroscopy and analysis of the ν12 fundamental band of ethylene-d4|
|Citation:||Tan, T.L.,Goh, K.L.,Ong, P.P.,Teo, H.H. (1999-12-17). High-resolution Fourier transform infrared spectroscopy and analysis of the ν12 fundamental band of ethylene-d4. Chemical Physics Letters 315 (1-2) : 82-86. ScholarBank@NUS Repository.|
|Abstract:||The Fourier transform infrared (IR) spectrum of the ν12 fundamental band of ethylene-d4 (C2D4) has been measured with an unapodized resolution of 0.004 cm-1 in the frequency range of 1030-1130 cm-1. A total of 1340 assigned transitions have been analyzed and fitted using a Watson's A-reduced Hamiltonian in the Ir representation to derive rovibrational constants for the upper state (v12=1) up to five quartic terms with a standard deviation of 0.00042 cm-1. They represent the most accurate constants for the band thus far. The ground state rovibrational constants were also further improved by a fit of combination-differences from the IR measurements. The relatively unperturbed band was found to be basically A-type with a band centre at 1076.98492±0.00003 cm-1.|
|Source Title:||Chemical Physics Letters|
|Appears in Collections:||Staff Publications|
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