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Catena-Poly[[diaqua-strontium]-bis-(?-quinoline-3-carboxyl-ato)].

ABSTRACT: The title compound, [Sr(C(10)H(6)NO(2))(2)(H(2)O)(2)](n), contains an eight-coordinate Sr(II) ion displaying a distorted square-anti-prismatic geometry, two quinoline-3-carboxyl-ate ligands and two terminal water mol-ecules. The Sr(II) atom is surrounded by six carboxyl-ate O atoms from four separate quinoline-3-carboxyl-ate ligands and two O atoms from two coordinated water mol-ecules. The bridging carboxyl-ate O atoms [Sr-O = 2.498?(3) and 2.495?(3)?Å] link Sr(II) atoms, forming a chain substructure extending along the c axis. The chains are linked by O-H?N and O-H?O hydrogen bonds, giving a three-dimensional framework structure.

SUBMITTER: Miao DL

PROVIDER: S-EPMC3201418 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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catena-Poly[[diaqua-strontium]-bis-(μ-quinoline-3-carboxyl-ato)].

Miao Dong-Liang DL Li Shi-Jie SJ Song Wen-Dong WD Ma Xiao-Tian XT Li Xiao-Fei XF

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

The title compound, [Sr(C(10)H(6)NO(2))(2)(H(2)O)(2)](n), contains an eight-coordinate Sr(II) ion displaying a distorted square-anti-prismatic geometry, two quinoline-3-carboxyl-ate ligands and two terminal water mol-ecules. The Sr(II) atom is surrounded by six carboxyl-ate O atoms from four separate quinoline-3-carboxyl-ate ligands and two O atoms from two coordinated water mol-ecules. The bridging carboxyl-ate O atoms [Sr-O = 2.498 (3) and 2.495 (3) Å] link Sr(II) atoms, forming a chain substr ...[more]

PMID: 22065503

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catena-Poly[[diaqua-calcium(II)]-bis-(?-quinoline-3-carboxyl-ato)].

Project description:In the title complex, [Ca(C(10)H(6)NO(2))(2)(H(2)O)(2)](n), the Ca(II) ion is eight-coordinated by six carboxyl-ate O atoms from four separate quinoline-3-carboxyl-ate ligands, two of which are bidentate chelate and two bridging, and two water mol-ecules in a distorted square-anti-prismatic geometry. The bridging groups form a polymeric chain substructure extending along the c axis, the chains being connected by coordinated-water O-H?N and O-H?O(carboxyl-ate) hydrogen bonds into a three-dimensional framework structure.

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