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dc.creatorWu, Guo-Jenen_US
dc.creatorFrech, Rogeren_US
dc.descriptionAuthor Institution: Department of Chemistry, University of Oklahomaen_US
dc.description.abstractThe sulfate ion internal optic modes in monoclinic $Li_{2}SO_{4} \cdot H_{2}O$ are studied using the molecular dipole model. The polarization direction of the B symmetry phonons lies in the a-c plane; however a unique direction is not given by symmetry considerations. An analysis of polarized near-normal incidence infrared reflection data complemented by Raman data suffices to uniquely determine the polarization of the phonon. In these systems a given A symmetry phonon is shown to be ""paired"" with a particular B symmetry phonon, that is, both phonons originate in the same site group internal mode. All site group modes here are of A symmetry. The correct ""pairing"" assignments for several internal modes are discussed.en_US
dc.format.extent95273 bytes
dc.publisherOhio State Universityen_US
dc.titleTHE SULFATE ION INTERNAL OPTIC MODES IN $Li_{2}SO_{4} \cdot H_{2}O$en_US

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