Abstract
The synthesis and structural characterization of the title compound, C28H24N8O8S4Cl2Te·6H2O are reported. The crystals are triclinic, space group P¯1 (No. 2), withZ=1 in a unit cell of dimensionsa=10.312(7),b=7.144(6),c=14.256(7) A,α=83.04(5),β=92.15(5), andγ=101.25(6)°,V c =1022 A3. The structure was solved by Fourier methods, and refined by full-matrix least squares toR=0.073 andR w =0.077 for 1305 unique reflections. The tellurium atom in the molecule lies at a crystallographic center of symmetry, and is bonded to four phenylenethiourea sulfur atoms in a near square-planar arrangement with Te-S(1)=2.666(5), Te-S(2)=2.675(6) A, and S(1)-Te-S(2)=88.7(3)°. The ligands behave as thiones. The crystal packing is stabilized by the extensive hydrogen bonding involving oxygen and nitrogen atoms. The Cl-O bond lengths are 1.29-1.36 A and the O-Cl-O angles are 90–130° in the ClO4 – moiety, and differ considerably from the normal values of 1.44 A and 109°, respectively.
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