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THE INFRARED AND RAMAN SPECTRA OF SUBSTITUTED HYDRAZINES. I. METHYLHYDRAZINE

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/15482

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Title: THE INFRARED AND RAMAN SPECTRA OF SUBSTITUTED HYDRAZINES. I. METHYLHYDRAZINE
Creators: Durig, J. R.; Harris, W. C.; Wertz, D. W.
Issue Date: 1968
Abstract: The infrared gas phase spectra of methylhydrazine $(NH_{2}NHCH_{3})$, $methylhydrazine-d_{3}-(ND_{2}NDCH_{3})$, and $methylhydrazine-d_{3}(ND_{2}NDCD_{3})$ have been measured from 33 to $4000 cm^{-1}$. The infrared and Raman spectra of the corresponding compounds in the liquid state have also been recorded. Assignments of the twenty-one normal vibrations will be given and discussed. The $CH_{3}$ and $NH_{2}$ torsional modes have been observed and, by assuming that a symmetrical threefold cosine potential governs both rotors, the barriers to internal rotation have been calculated to be 3.67 and $3.72 kcal mole^{-1}$, respectively. The intensity of the $3182 cm^{-1}$ line of $NH_{2}NHCH_{2}$ has been studied as a function of temperature. The $\Delta H^{\circ}$ for H-bond formation is found to be -418 cal mole$^{-1}$.
URI: http://hdl.handle.net/1811/15482
Other Identifiers: 1968-H-3
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