A High-Resolution Fourier Transform Infrared Study of the ν3, ν4, and ν5 Bands of Deuterated Formyl Chloride (DCOCl) |
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Authors: | Joo D. L. Laboy J. Kolomeisky A. Zhuo Q. Clouthier D. J. Chan C. P. Merer A. J. Judge R. H. |
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Abstract: | High-resolution infrared spectra of the low-lying ν3, ν4, and ν5 fundamentals of the transient molecule DCOCl are reported. These type-A/B hybrid bands have been analyzed in detail, providing extensive rotational assignments for the DCO35Cl and DCO37Cl isotopomers. The ground state constants have been refined by a simultaneous fit of the available microwave data and FTIR combination differences from the three bands. The excited state constants have been determined by fitting assignments over a wide range of J and Ka values. A small perturbation was found at high Ka values in the ν4 band and determined to be due to a ΔKa = −2 interaction with the rotational levels of the 61 vibrational state. |
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