Abstract
Hexamethylphosphoramide (hmp), tetrathiotungstate, silver sulfide and cerium nitrate were self-assembled to form a one-dimensional anionic [Ag4W4S16]n 4n− chain in the title compound, {[Ce(NO3)2(C6H18N3OP)4][AgWS4]}n. The asymmetric unit contains four crystallographically independent [Ce(hmp)4(NO3)2]+ cations, which leads to a one-dimensional polymeric anionic chain having a tetravalent [W4S16Ag4] repeat unit. Each central Ce atom is coordinated by eight O atoms from two chelating nitrate and four hmp ligands, which gives rise to a distorted square-antiprismatic structure. The polymeric chain with average W—Ag—W and Ag—W—Ag bond angles of 163.75 and 151.84°, respectively, presents a distorted linear configuration. The title complex with a non-centrosymmetric structure, is analogous to the Yb, Y, Eu, Nd, La and Dy isomorphs, which exhibit centrosymmetric structures.
Highlights
Structure ReportsEngineering, Nanjing University of Science and Technology, 200 Xiaolingwei, Nanjing 210094, Jiangsu, People’s Republic of China, and bInstitute of Science and Technology, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, People’s
Hexamethylphosphoramide, tetrathiotungstate, silver sulfide and cerium nitrate were self-assembled to form a onedimensional anionic [Ag4W4S16]n4n chain in the title compound, {[Ce(NO3)2(C6H18N3OP)4][AgWS4]}n
[Ce(hmp)4(NO3)2]+ cations, which leads to a one-dimensional polymeric anionic chain having a tetravalent [W4S16Ag4]
Summary
Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei, Nanjing 210094, Jiangsu, People’s Republic of China, and bInstitute of Science and Technology, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, People’s
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