HIOCARBAMATO)(IODO)(4-METHOXYPHENYL)TELLURIUM(IV), P-MEOC(6)H(4)TE(ET(2)NCS(2))(2)I, AND ITS ISOMORPHOUS PARTIALLY BROMINE-REPLACED ANALOG,P-MEOC(6)H(4)TE(ET(2)NCS(2))(2)BR0.41I0.59

The Te-IV complexes p-MeOC(6)H(4)Te(Et(2)NCs(2))(2)I, (1), and p-MeOC( 6)H(4)Te(Et(2)NCS(2))(2)Br0.41I0.59, (3), have been synthesized by rea cting p-MeOC(6)H(4)Te(Et(2)NCS(2))3 with the elementary halogens. The crystals of (1) and (3) are isomorphous with the I atom position in (3 ) partially replaced by a Br atom. The structures are pentagonal bipyr amidal with four S atoms [Te-S 2.624(1)-2.733 (1) Angstrom] and the ha logen atom [Te-I 3.159 (1) and 3.164(1), Te-Br 2.904(3) Angstrom] in e quatorial positions. The p-methoxaxphenyl group is axial [Te-C 2.211(3 ) and 2.151(4) Angstrom] and the second axial position is occupied by a halogen atom of a neighbouring molecule [Te ... I 3.569(1) and 3.558 (4), Te ... Br 3475(9) Angstrom, bond angles C-Te ... I 176.7(1) and 1 74.9(4), C-Te ... Br 176.3 (2)degrees] so that the molecules are joine d into centrosymmetric pairs by this secondary coordination.