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The high-resolution infrared spectrum of isoxazole vapor between 800 and 1700 cm |
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| Authors: | F. Hegelund R. Wugt Larsen M.H. Palmer |
| Affiliation: | a Department of Chemistry, University of Aarhus, Kemisk Institut, Langelandsgade 140, DK-8000 Aarhus C, Denmark b Chemical Center, Department of Chemical Physics, Lund University, P.O. Box 124, S-22100 Lund, Sweden c Department of Chemistry, University of Copenhagen, The H.C. Ørsted Institute, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark d School of Chemistry, The University of Edinburgh, West Mains Road, Edinburgh EH9 3JJ, Scotland, United Kingdom |
| Abstract: | The Fourier transform gas-phase IR spectrum of isoxazole, C3H3NO, between 550 and 1700 cm−1 was measured with a resolution of ca. 0.003 cm−1. Ten fundamental bands in the region 800-1700 cm−1 have been analyzed by the Watson Hamiltonian model to yield upper state spectroscopic constants. A number of local resonances have been identified in the bands and explained qualitatively, and the unobserved ν14(A″) fundamental band has been located at 897.5(5) cm−1 from its perturbation effects on the neighboring fundamentals. |
| Keywords: | Isoxazole Infrared Fundamental bands Rotational constants |
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