Abstract
The crystal structure of the title compound - meso-C26H24N2O2S2 with two stereocenters - has half the mol-ecule in the asymmetric unit with the other half generated by a crystallographic center of inversion. The thia-zine ring is in a conformation that is between half-chair and envelope [θ = 52.51 (17)°]. The phenyl ring on the 2-carbon atom of the thia-zine ring is pseudo-axial. The central phenyl ring of the mol-ecule is close to orthogonal to the phenyl rings on either side with an angle of 76.85 (11)° between those planes. In the crystal, pairwise, weak C-H⋯O hydrogen bonds between the central phenyl ring and the oxygen atoms of neighboring mol-ecules result in continuous strips propagating along the a-axis direction. Hydro-phobic inter-actions of the C-H⋯π type are also observed.
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