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Catena-Poly[[diaqua-strontium(II)]-bis-[?-2-(3-benzoyl-phen-yl)propano-ato]].

ABSTRACT: In the title coordination polymer, [Sr(C(16)H(13)O(3))(2)(H(2)O)(2)](n), the Sr(II) cation is eight-coordinated by six O atoms from four different 2-(3-benzoyl-phen-yl)propano-ate ligands and two O atoms of two water mol-ecules in a distorted dodeca-hedral geometry. Adjacent Sr(II) cations are bridged by two 2-(3-benzoyl-phen-yl)propano-ate ligands, forming an infinite chain along the b axis; the chains are further linked by inter-molecular O-H-O hydrogen bonds into a three-dimensional supra-molecular network.

SUBMITTER: Zhang ZY

PROVIDER: S-EPMC2983188 | biostudies-literature | 2010 Sep

REPOSITORIES: biostudies-literature

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catena-Poly[[diaqua-strontium(II)]-bis-[μ-2-(3-benzoyl-phen-yl)propano-ato]].

Zhang Zhu-Yan ZY Yu Nan N Li Min M Wu Ning-Xin NX Liu Bing-Yi BY

Acta crystallographica. Section E, Structure reports online 20100904 Pt 10

In the title coordination polymer, [Sr(C(16)H(13)O(3))(2)(H(2)O)(2)](n), the Sr(II) cation is eight-coordinated by six O atoms from four different 2-(3-benzoyl-phen-yl)propano-ate ligands and two O atoms of two water mol-ecules in a distorted dodeca-hedral geometry. Adjacent Sr(II) cations are bridged by two 2-(3-benzoyl-phen-yl)propano-ate ligands, forming an infinite chain along the b axis; the chains are further linked by inter-molecular O-H-O hydrogen bonds into a three-dimensional supra-mol ...[more]

PMID: 21587349

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Project description:The title compound, {[Tm(C(7)H(3)NO(4))(C(7)H(4)NO(4))(H(2)O)(2)]·2H(2)O}(n), is isotypic with the analogous Tb(III) compound [Li et al. (2009 ▶). Acta Cryst. E65, m410]. All interatomic distances and angles and the hydrogen-bond geometries are very similar for the two structures. The refined Flack parameter of 0.49 (2) suggests inversion twinning.

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Project description:The title compound, {[Tb(C(7)H(3)NO(4))(C(7)H(4)NO(4))(H(2)O)(2)]·2H(2)O}(n), is isotypic with the analogous Tm(III) compound [Li, Zhang, Wang & Bai (2009). Acta Cryst. E65, m411]. The Tb(III) atom is octa-coordinated by two water mol-ecules and by four carboxyl-ate O atoms and two pyridyl N atoms from two pyridine-2,5-dicarboxyl-ate (2,5-pydc) and two 6-carboxy-nicotinate (2,5-Hpydc) ligands. The 2,5-pydc and 2,5-Hpydc ligands bridge Tb(III) atoms, generating helical coordination polymers along [001]. An extensive network of O-H⋯O hydrogen bonds is formed between the coordination polymers and the uncoordinated water mol-ecules. The refined Flack parameter of 0.54 (2) suggests inversion twinning.

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