Lafferty, W.
(2015),
First far-infrared high resolution analysis of the nu6 band of phosgene 35Cl2CO and 35Cl37CLCO, Journal of Molecular Spectroscopy, [online], https://doi.org/10.1080/00268976.2015.1015638
(Accessed October 16, 2025)
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First far-infrared high resolution analysis of the nu6 band of phosgene 35Cl2CO and 35Cl37CLCO
Published
Author(s)
Abstract
A Fourier transform spectrum of phosgene (Cl2CO) has been recorded in the 22.5 μm spectral region at a resolution of 0.00102 cm-1 using a Bruker IFS125HR spectrometer coupled with synchrotron radiation leading to the observation of the ν6 vibrational bands of the two isotopologues 35Cl2CO and 35Cl37ClCO . The corresponding upper state ro-vibrational levels were fit using Watson-type Hamiltonians. In this way it was possible to reproduce the upper state ro-vibrational levels to within the experimental accuracy i.e. ~0.30 x10-3 cm-1. Very accurate rotational and centrifugal distortion constants were derived from the fit together with the following band centers: ν0(ν6, 35Cl2CO) = 443.172062(15) cm-1, ν0(ν6, 35Cl37ClCO) = 440.534956(17) cm-1.Citation
Journal of Molecular Spectroscopy
Volume
113
Issue
21
Pub Type
Journals
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Keywords
nu 6 band, far-infrared, phosgene
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Created November 2, 2015, Updated November 10, 2018