title: catena-Poly[[diaqua-calcium(II)]-bis-(μ-quinoline-3-carboxyl-ato)].
abstract: 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.
authors: Dong-Liang
authors: DL
authors: Miao
authors: Shi-Jie
authors: SJ
authors: Li
authors: Wen-Dong
authors: WD
authors: Song
authors: Juan-Hua
authors: JH
authors: Liu
authors: Xiao-Fei
authors: XF
authors: Li
references: Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22
references: 18156677