metal-organic compounds
Open access
The crystal structure of the title compound, (C25H21ClP)2[ZnCl4]·3H2O, consists of tetrahedral phosphonium cations and tetrahedral zincate anions; the water molecules form weak hydrogen bonds to the anions. Two of the water molecules are disordered over three sites in a 0.68:0.55:0.77 ratio.
organic compounds
Open access
The bicyclo[3.3.1]nonane ring in the title compound, C39H44N2O, adopts a chair–boat conformation with the four benzene rings being directed away from the carbonyl group. The presence of C—HO contacts leads to helical supramolecular chains along the b axis.