Key indicators: single-crystal X-ray study; T = 296 K; mean (C-C) = 0.005 Å; R factor = 0.059; wR factor = 0.135; data-to-parameter ratio = 19.4.In the title compound, C 36 H 28 P 2 S 2 , the dihedral angle between the central benzene rings is 66.95 (13) . In the crystal, molecules are linked via C ar -HÁ Á Á and -interactions [shortest centroid-centroid distance between benzene rings = 3.897 (2) Å ].
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