Abstract
The crystal structure of the title compound is composed of diastereomers of 4-(2-hydroxyphenyl)-2-phenyl-2,3,4,5-tetrahydro-1,5-benzothiazepine, C21H19NOS, that are cocrystallized. The asymmetric unit contains two molecules. One S and two C atoms of the heterocyclic ring in one molecule are disordered, resulting in two different conformers. The H atoms at the chiral centers in the ordered molecule are trans with respect to each other, cis in the other conformer. The average bond distances are: S—Csp3 1.825 (2), S—Csp2 1.778 (8), N—Csp3 1.495 (5), N—Csp2 1.415 (8), O—Caromatic 1.380 (7), Csp3—Csp3 1.533 (14), Csp3—Caromatic 1.52 (2) and C—Caromatic 1.382 (13) Å. The structure is stabilized by strong intra- and intermolecular hydrogen bonds.
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