The infrared spectra of the salts of nitro compounds. Characteristic frequencies of the carbonitronate group, CNO2−
1963
Abstract The infrared spectra of salts of nitro compounds have been studied and the N-O asymmetric and symmetric stretchings of the carbonitronate ion have been assigned to the regions 1316–1205 and 1175–1040 cm −1 . The CN frequency of sodium alkanenitronates appears in the region 1605–1587 cm −1 . The carbonyl and the nitrile stretching frequencies in α-nitroketones and α-nitronitriles are considerably reduced due to conjugation with the carbonitronate group.
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