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Poly[[{?(3)-dihydrogen [(pyridin-4-yl-methyl-imino)-bis-(methyl-ene)]diphos-phon-ato-?O:O',N,O'':N'}copper(II)] dihydrate].

ABSTRACT: In the title polymer, {[Cu(C(8)H(12)N(2)O(6)P(2))]·2H(2)O}(n), the geometry of the five-coordinate Cu(II) ion can best be described as slightly distorted square-pyramidal formed by one N and two O atoms of an N(CH(2)PO(3)H)(2) group and one N atom from a pyridine ring. The elongated apex of the pyramid is occupied by one O atom from a third diphospho-nate ligand. The inter-connection of Cu(2+) ions by the diphospho-nate ligands results in the formation of a double-chain array along the b axis, in which the two sub-chains are inter-locked by pairs of PO(3) groups. The outside of each sub-chain is decorated by other PO(3) groups. These double chains are further assembled into a three-dimensional supra-molecular architecture via a large number of O-H?O hydrogen bonds between the phospho-nate groups and lattice water mol-ecules.

SUBMITTER: Zhang SY

PROVIDER: S-EPMC3254309 | biostudies-literature | 2012 Jan

REPOSITORIES: biostudies-literature

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Poly[[{μ(3)-dihydrogen [(pyridin-4-yl-methyl-imino)-bis-(methyl-ene)]diphos-phon-ato-κO:O',N,O'':N'}copper(II)] dihydrate].

Zhang Shi-Yong SY Zhou Zhong-Gao ZG Wang Ke-Jun KJ

Acta crystallographica. Section E, Structure reports online 20111210 Pt 1

In the title polymer, {[Cu(C(8)H(12)N(2)O(6)P(2))]·2H(2)O}(n), the geometry of the five-coordinate Cu(II) ion can best be described as slightly distorted square-pyramidal formed by one N and two O atoms of an N(CH(2)PO(3)H)(2) group and one N atom from a pyridine ring. The elongated apex of the pyramid is occupied by one O atom from a third diphospho-nate ligand. The inter-connection of Cu(2+) ions by the diphospho-nate ligands results in the formation of a double-chain array along the b axis, i ...[more]

PMID: 22259339

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