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Vibrational spectra and conformational equilibrium of tetrachloromethylenediphosphine

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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The IR and Raman spectra of gaseous, liquid, and crystalline CH2(PCl2)2 were obtained. The presence of conformational equilibrium with a ratio of conformers of 2∶3 at room temperature was established based on the spectra.

  2. 2.

    The results of the conformational analysis of tetrachloromethylenediphosphine showed that at ∼20°C, there is equilibrium of the three conformers with approximately the same concentration; two of them could be spectroscopically indistinguishable.

  3. 3.

    The frequencies and shapes of the normal vibrations and the valence-force field were calculated.

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Authors and Affiliations

  1. Institute of Physiologically Active Substances, Academy of Sciences of the USSR, Chernogolovka

    V. P. Novikov, A. V. Yarkov, I. O. Umarova, O. A. Raevskii, A. N. Kurkin & Z. S. Novikova

  2. M. V. Lomonosov Moscow State University, USSR

    V. P. Novikov, A. V. Yarkov, I. O. Umarova, O. A. Raevskii, A. N. Kurkin & Z. S. Novikova

Authors
  1. V. P. Novikov
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  2. A. V. Yarkov
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  3. I. O. Umarova
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  4. O. A. Raevskii
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  5. A. N. Kurkin
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  6. Z. S. Novikova
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2252–2257, October, 1983.

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Novikov, V.P., Yarkov, A.V., Umarova, I.O. et al. Vibrational spectra and conformational equilibrium of tetrachloromethylenediphosphine. Russ Chem Bull 32, 2033–2037 (1983). https://doi.org/10.1007/BF00955765

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  • DOI: https://doi.org/10.1007/BF00955765

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