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OBSERVATION OF A NEW VIBRATIONAL MODE OF $(D_{2}O)_{2}$ NEAR $68 cm^{-1}$ USING TUNABLE FAR-INFRARED LASER SPECTROSCOPY

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/29883

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Title: OBSERVATION OF A NEW VIBRATIONAL MODE OF $(D_{2}O)_{2}$ NEAR $68 cm^{-1}$ USING TUNABLE FAR-INFRARED LASER SPECTROSCOPY
Creators: Cruzan, J. D.; Loeser, J. G.; Bitten, E.; Braly, L. B.; Saykally, R. J.
Issue Date: 1995
Abstract: We have measured the far-infrared vibration-rotation-tunneling (VRT) spectrum of an intermolecular vibration of $(D_{2}O)_{2}$ near $68 cm^{-1}$. In addition, further transitions of the VRT band of $(D_{2}O)_{2}$ previously reported by $Pugliano et al^{1}$ have been observed. By considering symmetry restraints on the selection rules, these bands have been assigned to the out-of-plane H-bond torsional and in-plane acceptor waggins modes predicted by many theoretical $calculations^{2}.$ The experimental-theoretical discrepancy in the measured frequencies of these bands indicates the importance of a fully coupled six-dimmensional calculation of the dynamics for the water dimer.
URI: http://hdl.handle.net/1811/29883
Other Identifiers: 1995-TL-07
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