Synthesis, crystal structure, and thermal properties of poly[aqua-(μ5 -2,5-di-carb-oxy-benzene-1,4-di-carboxyl-ato)strontium

Acta Crystallographica. Section E, Crystallographic Communications
Samia MokhtariSantiago García-Granda

Abstract

A coordination polymer formulated as [Sr(H2BTEC)(H2O)] n (H4BTEC = benzene-1,2,4,5-tetra-carb-oxy-lic acid, C10H6O8), was synthesized hydro-thermally and characterized by single-crystal and powder X-ray diffraction, scanning electron microscopy and thermal analysis. Its crystal structure is made up of a zigzag inorganic chain formed by edge-sharing of [SrO8] polyhedra running along [001]. Adjacent chains are connected to each other via the carboxyl-ate groups of the ligand, resulting in a double-layered network extending parallel to (100). O-H⋯O hydrogen bonds of medium-to-weak strength between the layers consolidate the three-dimensional structure. One of the carb-oxy-lic OH functions was found to be disordered over two sets of sites with half-occupancy.

References

Apr 1, 1990·Acta Crystallographica. Section B, Structural Science·M C EtterJ Bernstein
Dec 13, 2003·Acta Crystallographica. Section C, Crystal Structure Communications·Sophie H DaleSarita Kainth
Feb 5, 2004·Journal of the American Chemical Society·Long PanJ Karl Johnson
Dec 25, 2007·Acta Crystallographica. Section A, Foundations of Crystallography·George M Sheldrick
Jul 15, 2011·Journal of the American Chemical Society·Hai-Long JiangQiang Xu
Apr 7, 2016·Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials·Colin R GroomSuzanna C Ward

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Methods Mentioned

BETA
X-ray
scanning electron microscopy

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