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Di-?-aqua-bis-[aqua-(5-carboxyl-ato-1H-1,2,3-triazole-4-carb-oxy-lic acid-?(2) N (3),O (4))lithium].

ABSTRACT: The crystal structure of the title compound, [Li2(C4H2N3O4)2(H2O)4], contains centrosymmetric dinuclear mol-ecules in which two Li(I) ions are bridged by two water O atoms. The metal ion is coordinated by one N,O-bidentate ligand and three water O atoms (one of them is symmetry generated), with one of the bridging water O atoms in the apical position of a distorted square pyramid. The carboxyl-ate group that participates in coordination to the metal ion remains protonated; the other is deprotonated and coordination inactive. An intra-molecular O-H?O hydrogen bond between carboxyl-ate groups is observed. In the crystal, dimers are linked by O-H?O, O-H?N and N-H?O hydrogen bonds, generating a three-dimensional network.

SUBMITTER: Starosta W

PROVIDER: S-EPMC3884415 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Di-μ-aqua-bis-[aqua-(5-carboxyl-ato-1H-1,2,3-triazole-4-carb-oxy-lic acid-κ(2) N (3),O (4))lithium].

Starosta Wojciech W Leciejewicz Janusz J

Acta crystallographica. Section E, Structure reports online 20130823 Pt 9

The crystal structure of the title compound, [Li2(C4H2N3O4)2(H2O)4], contains centrosymmetric dinuclear mol-ecules in which two Li(I) ions are bridged by two water O atoms. The metal ion is coordinated by one N,O-bidentate ligand and three water O atoms (one of them is symmetry generated), with one of the bridging water O atoms in the apical position of a distorted square pyramid. The carboxyl-ate group that participates in coordination to the metal ion remains protonated; the other is deprotona ...[more]

PMID: 24427005

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