Abstract
The infrared and Raman spectra of difluoromalononitrile [CF 2(CN) 2] are reported from 200–4000 cm −1. Complete vibrational assignments and normal coordinate analysis are reported and statistical thermodynamic functions calculated. The shift of the CN stretching frequency relative to its value in CF 3CN is correlated with the effective electronegativity of X atoms in the acetonitrile structure.
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