catena-Poly[[tetra-kis-(hexa-methyl-phospho-ramide-κO)bis-(nitrato-κ2O,O′)terbium(III)] [silver(I)-di-μ-sulfido-tungstate(VI)-di-μ-sulfido]]

摘要

In the title compound, {[Tb(NO3)2(C6H18N3OP)4][AgWS4]}n, the polymeric anionic chain {[AgWS4]?}n extends along [001]. The TbIII atom in the cation is coordinated by eight O atoms from two nitrate and four hexamethylphosphate ligands in a distorted square-anti-prismatic geometry. Together with the two nitrate ligands, the cation is univalent, which leads to the anionic chain having a [WS4Ag] repeat unit. The polymeric anionic chain has a distorted linear configuration with W—Ag—W and Ag—W—Ag angles of 161.49?(2) and 153.743?(13) °, respectively. The title complex is isotypic with the Y, Yb, Eu, Nd, La, Dy, Sm and Lu analogues.