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IR spectra of nitro compounds

Communication 1. The relationship of frequencies to structure

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Conclusions

  1. 1.

    An analysis of the dependence of the position of the frequencies of the valence vibration of the NO2 group on the structure of the substituent was conducted in a series of nitro compounds. The inductive and steric effects, as well as the effect of conjugation, influence the position of the band of the antisymmetrical valence vibration of the NO2 group.

  2. 2.

    A linear dependence of the band of the antisymmetrical valence vibration on the induction constant (σ*) of the substituent was found. The position of the band of the symmetrical vibration of the NO2 group is determined chiefly by the steric hindrances of the substituent.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2215–2221, October, 1970.

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Slovetskii, V.I. IR spectra of nitro compounds. Russ Chem Bull 19, 2086–2091 (1970). https://doi.org/10.1007/BF00861473

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Keywords

  • Linear Dependence
  • Steric Hindrance
  • Steric Effect
  • Nitro Compound
  • Symmetrical Vibration