Document Detail


Analysis of the nu(12) Band of Ethylene-(13)C(2) by High-Resolution FTIR Spectroscopy.
MedLine Citation:
PMID:  11397106     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The Fourier transform infrared (FTIR) spectrum of the nu(12) fundamental band of ethylene-(13)C(2) ((13)C(2)H(4)) was recorded with an unapodized resolution of 0.004 cm(-1) in the frequency range from 1380 to 1500 cm(-1). Rovibrational constants for the upper state (nu(12)=1) up to five quartic and three sextic centrifugal distortion terms were derived for the first time by assigning and fitting a total of 1177 infrared transitions using a Watson's A-reduced Hamiltonian in the I(r) representation. The rms deviation of the fit was 0.00045 cm(-1). The ground state rovibrational constants were also determined for the first time by a fit of 738 combination differences from the present infrared measurements, with a rms deviation of 0.00060 cm(-1). The A-type nu(12) band with a band center at 1436.65411+/-0.00005 cm(-1) was found to be relatively free from local frequency perturbations. The inertial defect Delta(12) was found to be 0.24300+/-0.00002 uÅ(2). Copyright 2001 Academic Press.
Authors:
T. L. Tan; K. L. Goh; P. P. Ong; H. H. Teo
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Publication Detail:
Type:  JOURNAL ARTICLE    
Journal Detail:
Title:  Journal of molecular spectroscopy     Volume:  207     ISSN:  0022-2852     ISO Abbreviation:  J Mol Spectrosc     Publication Date:  2001 Jun 
Date Detail:
Created Date:  2001-Jun-8     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985089R     Medline TA:  J Mol Spectrosc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  189-192     Citation Subset:  -    
Affiliation:
Natural Sciences Academic Group, Nanyang Technological University, National Institute of Education, 1, Nanyang Walk, Singapore, Singapore, 637616
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