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

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

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The crystal structure of the title ABC 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 license plates 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.