A VIBRATIONAL SPECTROSCOPIC INVESTIGATION OF SOME SYMMETRICALLY SUBSTITUTED FLUROETHANES IN THE SOLID STATE

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1972

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Ohio State University

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The infrared and Raman spectra of $CF_{2}Cl-CF_{2}Cl, CF_{2}Br-CF_{2}Br, CF_{2}I-CF_{2}I$, and $K_{6}[CF_{2}Co(CN)_{5}-CF_{2}Co(CN)_{5}]$ are reported in the solid state. The 1, 2 halo-substituted species were recorded at liquid nitrogen temperature. The trans-form in each case appears to be the most stable from these studies. Band assignments have been made for fundamentals on the basis of $C_{2h}$ symmetry. The elusive C-C stretching fundamental in these compounds appears from 702 to $635 cm^{-1}$. The paucity of theoretical data for the fluoroethanes in general is discussed.

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Author Institution: Chemistry Department, East Carolina University

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