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Catena-Poly[[tetra-kis-(hexa-methyl-phospho-ramide-?O)bis-(nitrato-?O,O')samarium(III)] [silver(I)-di-?-sulfido-tungstate(VI)-di-?-sulfido]].


ABSTRACT: The Sm atom in the cation of the title salt, {[Sm(NO(3))(2)(C(6)H(18)N(3)OP)(4)][AgS(4)W]}(n), is coordinated by eight O atoms derived from two chelating nitrate anions, and four hexamethylphos-phoramide ligand, defining a distorted square-antiprismatic geometry. The anions self-assemble into polymeric chains via W-S-Ag bridges having a [AgS(4)W] repeat unit; the W-Ag-W and Ag-W-Ag angles are 161.657?(17) and 153.978?(9)°, respectively. The title complex is isostructural with the Y, Yb, Eu, Nd, La and Dy isomorphs.

SUBMITTER: Zhang J 

PROVIDER: S-EPMC3201561 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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

Zhang Jinfang J  

Acta crystallographica. Section E, Structure reports online 20110914 Pt 10


The Sm atom in the cation of the title salt, {[Sm(NO(3))(2)(C(6)H(18)N(3)OP)(4)][AgS(4)W]}(n), is coordinated by eight O atoms derived from two chelating nitrate anions, and four hexamethylphos-phoramide ligand, defining a distorted square-antiprismatic geometry. The anions self-assemble into polymeric chains via W-S-Ag bridges having a [AgS(4)W] repeat unit; the W-Ag-W and Ag-W-Ag angles are 161.657 (17) and 153.978 (9)°, respectively. The title complex is isostructural with the Y, Yb, Eu, Nd,  ...[more]

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