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. 2011 Dec 1;67(Pt 12):m1700.
doi: 10.1107/S1600536811046265. Epub 2011 Nov 5.

Poly[tetra-aqua-(μ(8)-butane-1,2,3,4-tetra-carboxyl-ato)distrontium]

Pei-Chi Cheng, Jun-Xiang Zhan, Cheng-You Wu, Chia-Her Lin

Poly[tetra-aqua-(μ(8)-butane-1,2,3,4-tetra-carboxyl-ato)distrontium]

Pei-Chi Cheng et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title compound, [Sr(2)(C(8)H(6)O(8))(H(2)O)(4))](n), the Sr(II) ion is coordinated by six O atoms of four symmetry-related ligands and two water mol-ecules in a distorted bicapped trigonal-prismatic environment. The butane-1,2,3,4-tetra-carboxyl-ate ligands lie on inversion centers and bridge Sr(II) ions, forming a three-dimensional network. Within the three-dimensional structure, there are O-H⋯O hydrogen bonds involving the water mol-ecules and carboxyl-ate O atoms.

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Figures

Fig. 1.
Fig. 1.
A view of part of the title structure, showing 50% probability displacement ellipsoids. [symmetry codes: (i) 1 - x, -y, 1 - z; (ii) –x + 1/2, y + 1/2, -z + 1/2; (iii) x - 1/2, -y - 1/2, z + 1/2].
Fig. 2.
Fig. 2.
Part of the crystal structure of the title compound viewed along the a axis.
See this image and copyright information in PMC

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