Browsing by Author "S.K. Singhal"

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Laser Raman and IR spectra and force fields for 2,6-difluorobenzonitrile
(Elsevier, 1997) V.K. Rastogi; C.B. Arora; S.K. Singhal; D.N. Singh; R.A. Yadav
Raman spectrum of 2,6-difluorobenzonitrile in the powder form has been recorded in the region 50-4000 cm-1 on a Jasco K-500 spectrophotometer using the 488.0 nm radiation from an argon laser. IR spectra in the region 200-4000 cm-1 have been recorded in KBr pellet and nujol mull on a Nicolet DX spectrometer and in liquid and vapour phases on a Jasco FTIR/7000 spectrometer. Using these observed frequencies force field calculations for the planar and non-planar modes have been carried out assuming a general valence force field. © 1997 Elsevier Science B.V.