Summary
An investigation of the infrared spectra showed that the salts (potassium, sodium, ammonium, and lithium) of 1,1-dinitroalkanes and trinitromethane have three absorption bands: ∼1480, ∼1210, and ∼1120 cm−1. The infrared spectra do not contain absorption bands characteristic of the C=N double bond or an uncharged nitro group. Therefore, it is confirmed that salts of 1,1-dinitroalkanes and trinitromethane do not contain a C=N bond, and that all the nitro groups are equivalent and participate equally in the formation of the anion.
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Slovetskii, V.I., Shevelev, S.A., Erashko, V.I. et al. An investigation of the structure of salts of 1,1-dinitroalkanes and trinitromethane by spectral methods. Russ Chem Bull 12, 49–54 (1963). https://doi.org/10.1007/BF00846948
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DOI: https://doi.org/10.1007/BF00846948