Conclusions
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1.
The35Cl,79Br, and127I NQR spectra and the crystallographic parameters of a number of halomethylated phosphine oxides were measured.
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2.
A structural nonequivalence of the bromine atoms was detected in (CH2Br)3PO.
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3.
Phase transitions, with a change in the multipleticity of the NQR spectra, were recorded in (CH2Cl)3PO and (CH2I)3PO in the range 77–296°K.
Literature cited
T. A. Mastryukova and M. A. Kabachnik, Usp. Khim.,38, 1751 (1969).
O. A. Raevskii and Yu. A. Donskaya, Izv. Akad. Nauk SSSR, Ser. Khim., 2494 (1973).
G. K. Semin, T. A. Babushkina, and G. G. Yakobson, Application of Nuclear Quadrupole Resonance in Chemistry [in Russian], Khimiya, Leningrad (1972), p. 148.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 925–927, April, 1975.
The authors express their gratitude to E. N. Tsvetkov for supplying the compounds and his valuable advice, and also to G.K. Semin and E. V. Bryukhova for their interest in the work and a discussion of the results.
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Saatsazov, V.V., Khotsyanova, T.L. & Kuznetsov, S.I. 35Cl,79Br, and127I NQR spectra and crystallographic parameters of some halomethylated phosphine oxides. Russ Chem Bull 24, 839–840 (1975). https://doi.org/10.1007/BF00920705
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DOI: https://doi.org/10.1007/BF00920705