Synthesis and Crystal Structure of the Ladder-like Organotin Complex: μ-pentaoxygen bridged penta(bis-benzyltin) bis-salicylate

摘要

A novel organotin complex of μ-pentaoxygen bridged penta(bis-benzyltin) bis-salicylate has been synthesized by the reaction of bis-benzyltin oxide and salicylic acid and its structure has been determined by X-ray diffraction. The crystal belongs to monoclinic, space group P2_1 with a = 1.7206(5), b = 2.1401 (6), c = 2.1488(6) nm, β = 93.325(5)°, V = 7.899(4) nm~3 Z = 4, D_c = 1.564 g/cm~3, μ(MoKα) = 16.17 cm~(-1), M_r = 1859.94, F(000) = 3692, R_1 = 0.0755 and wR_2 = 0.1557. According to structural analysis, the coordination geometry of tin is a distorted trigonal bipyramid, and the ladder-like structure is shaped by four Sn_2O_2 planar four-membered rings.