Abstract
The IR and Raman spectra of a number of anions of the nitro derivatives of 1,2,4-triazole were investigated. On the basis of the position of the absorption maxima of the asymmetric and symmetric t vibrations of the nitro group, it is assumed that the nitro groups in the 3 and 5 positions of the triazole ring are coplanar, which should lead to an increase in the participation of the nitro group in the de localization of the negative charge of the anion. Shifts of the frequencies as a function of the nature of the cation (NH4, Na, K, Cs) were not detected in the IR spectra of the crystalline salts. In addition, the IR spectra of the crystalline salts are similar (with respect to the frequencies) to the spectra of aqueous solutions of the salts, which may serve as proof of the identical structure of the anions in crystals and aqueous solutions.
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See [1] for communication XII.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 120–123, January, 1972.
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Mel'nikov, V.V., Stolpakova, V.V., Khor'kova, L.F. et al. Heterocyclic nitro compounds. Chem Heterocycl Compd 8, 111–114 (1972). https://doi.org/10.1007/BF00478505
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DOI: https://doi.org/10.1007/BF00478505