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Spectra and molecular conformations of 1,3,2-dioxaphosphorinanes

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    According to their vibrational spectra, 2-X-2-methyl-l,3,2-dioxaphosphorinanes (X=O, S, Se), exist in the liquid phase in the form of a thermodynamic equilibrium between two chair forms with axial (a) and equatorial (e) orientations of the P=X double bond. The equilibrium is strongly shifted in one direction or another, depending on the medium and the structure.

  2. 2.

    Within the framework of the reactive field theory, changes in the enthalpy differences of thea− and e-forms have been calculated for the transition from liquid to solutions; these values are consistent with the experimentally measured values. Also, temperature-corrected values of ΔH have been determined.

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Literature cited

  1. R. P. Arshinova, Structure and Reactivity of Organic Compounds [in Russian], Nauka, Moscow (1978), p. 66.

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  2. R. J. Abraham and E. Bretschneider, in: Internal Rotation in Molecules (ed. by W. J. Orville-Thomas), Wiley-Interscience, New York (1974).

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  4. E. I. Matrosov, A. A. Kryuchkov, É. E. Nifant'ev, and M. I. Kabachnik, Izv. Akad. Nauk SSSR, Ser. Khim., 791 (1977).

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Authors and Affiliations

  1. A. E. Arbuzov Institute of Organic and Physical Chemistry, Kazan Branch of the Academy of Sciences of the USSR, USSR

    R. R. Shagidullin, I. Kh. Shakirov, R. Kh. Musyakaeva, I. I. Vandyukova, S. A. Katsyuba, I. A. Nuretdinov & E. I. Matrosov

  2. A. N. Nesmeyanov Institute of Heteroorganic Compounds, Academy of Sciences of the USSR, Moscow

    R. R. Shagidullin, I. Kh. Shakirov, R. Kh. Musyakaeva, I. I. Vandyukova, S. A. Katsyuba, I. A. Nuretdinov & E. I. Matrosov

Authors
  1. R. R. Shagidullin
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  2. I. Kh. Shakirov
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  3. R. Kh. Musyakaeva
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  4. I. I. Vandyukova
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  5. S. A. Katsyuba
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  6. I. A. Nuretdinov
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  7. E. I. Matrosov
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Additional information

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2505–2507, November, 1981.

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Shagidullin, R.R., Shakirov, I.K., Musyakaeva, R.K. et al. Spectra and molecular conformations of 1,3,2-dioxaphosphorinanes. Russ Chem Bull 30, 2071–2072 (1981). https://doi.org/10.1007/BF01094631

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  • DOI: https://doi.org/10.1007/BF01094631

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