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Acta Cryst. (2009). E65, o631-o632  [ doi:10.1107/S1600536809006540 ]

7,11,15,28-Tetrabromo-1,21,23,25-tetraphenethylresorcin[4]arene cavitand-acetone-chloroform (1/1.31/0.69) at 173 K

M. G. McKay, H. B. Friedrich, R. A. Howie and G. E. M. Maguire

Abstract: The crystal structure of the title compound, C64H52Br4O8·1.31C3H6O·0.69CHCl3, is described. The structure has been reported previously [Bryant, Blanda, Vincenti & Cram (1991). J. Am. Chem. Soc. 113, 2167-2172]; however, the lower data acquisition temperature results in an improved refinement model. In addition, the presence of residual acetone and (disordered) chloroform within the molecular structure of the title compound represents a new clathrate of the title compound. One half of the resorcin[4]arene cavitand molecule appears in the asymmetric unit; the complete resorcin[4]arene cavitand structure was generated across a mirror plane.

Online 28 February 2009


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