Crystal structure of the inclusion complex 25-benzoylmethoxy-5,11,17,23tetra-tert-butyl-26,27,28-trihydroxy2,8,14,20-tetrathiacalix[4]arene–tetraethylammonium chloride (1/1)
The asymmetric unit of the title compound, C48H54O5S4N(C2H5)4+Cl, contains two tetra-tert-butyl[(benzoyl)methoxy]-trihydroxy-tetrathiacalix[4]arene molecules, two tetraethylammonium cations and two chloride anions. The two calixarene molecules in the asymmetric unit each display a cone conformation. There are no significant differences between the two independent molecules. The guest species do not sit within the calixarene ‘buckets’. In the crystal, extensive O—HO, O—HS and O—HCl ... إقراء المزيد