Abstract
The title compound crystallizes in the monoclinic space groupP21/n, witha=8.881(1),b=17.718(1),c=13.077(8) Å,β=99.17(2)° andZ=4. The structure was solved by the heavy-atom method and refined to a finalR value of 0.059. The four-membered ring is nonplanar, with a puckering angle of 22.0°. The Br and phenyl are in pseudoaxial positions and aretrans to each other in the solid state.
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Mazhar-Ul-Haque, Horne, W., Cremer, S.E. et al. Crystal and molecular structure of 4-bromo-2,2,3,3-tetramethyl-1-benzyl-1-phenylphosphetanium bromide. Journal of Crystallographic and Spectroscopic Research 19, 267–275 (1989). https://doi.org/10.1007/BF01194122
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DOI: https://doi.org/10.1007/BF01194122