title: 7,11,15,28-Tetra-bromo-1,21,23,25-tetra-phenethyl-resorcin[4]arene cavitand-acetone-chloro-form (1/1.31/0.69) at 173 K.
abstract: The crystal structure of the title compound, C(64)H(52)Br(4)O(8)·1.31C(3)H(6)O·0.69CHCl(3), 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) chloro-form within the mol-ecular structure of the title compound represents a new clathrate of the title compound. One half of the resorcin[4]arene cavitand mol-ecule appears in the asymmetric unit; the complete resorcin[4]arene cavitand structure was generated across a mirror plane.
authors.forename: Michael G
authors.initials: MG
authors.lastname: McKay
authors.forename: Holger B
authors.initials: HB
authors.lastname: Friedrich
authors.forename: R Alan
authors.initials: RA
authors.lastname: Howie
authors.forename: Glenn E M
authors.initials: GE
authors.lastname: Maguire