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QUASI-LINEARITY IN HCCN: THE $\nu_{2}$ SPECTRUM

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/13202

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dc.creator Eckhoff, W. C. en_US
dc.creator Miller, Charles E. en_US
dc.creator Curl, R. F., Jr. en_US
dc.date.accessioned 2006-06-15T15:23:33Z
dc.date.available 2006-06-15T15:23:33Z
dc.date.issued 1994 en_US
dc.identifier 1994-RH-07 en_US
dc.identifier.uri http://hdl.handle.net/1811/13202
dc.description 1. 48th OSU Spectroscopy Symposium, June 1993 en_US
dc.description Author Institution: Department of Chemistry and Rice Quantum Institute, Rice University en_US
dc.description.abstract The high resolution infrared spectrum of the quasi-linear molecule HCCN in the region of its $\nu_{2}$ CCN stretching fundamental was recently measured, At least six separate vibrational origins have been positively identified. Using combination differences and the lower state spectroscopic constants for the ground state and excited bending mode states derived by McCarthy and $Gottlieb,^{1}$ the lower state for each vibrational transition has been assigned. Unambiguous assignment of the Upper states is complicated by the appearance of duplicate sets of transitions originating from the same lower states. The most likely cause for this occurrence is a Fermi resonance between $\nu_{2}$ and $ \nu_{3}+(\nu_{4} +\nu_{5})^{0+}$ (in linear molecule notation) which gives intensity to the transitions to the combination level. en_US
dc.format.extent 76008 bytes
dc.format.mimetype image/jpeg
dc.language.iso English en_US
dc.title QUASI-LINEARITY IN HCCN: THE $\nu_{2}$ SPECTRUM en_US
dc.type article en_US