Polymeric strontium ranelate nonahydrate

Kenny Stahl, Christian G. Frankaer, Anders C. Raffalt, Sren R. Srensen, Jens E.T. Andersen

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

The title compound,poly[[μ-aqua-tetra-aqua{μ-5-[bis- (carboxylatomethyl)amino]-3-carboxylatomethyl-4-cyano-thio-phene-2-carboxylato} distrontium(II)] tetrahydrate],[Sr2(C12H6N 2O8S)(H2O)5]·3.79H2O, crystallizes with nine- and eight-coordinated Sr2+ cations. They are bound to seven of the eight ranelate O atoms and five of the water molecules. The SrO8 and SrO9 polyhedra are inter-connected by edge-sharing, forming hollow layers parallel to (011). The layers are, in turn, inter-connected by ranelate anions, forming a metal-organic framework (MOF) structure with channels along the a axis. The four water molecules not coordinated to strontium are located in these channels and hydrogen bonded to each other and to the ranelates. Part of the water H atoms are disordered. The compound dehydrates very easily and 0.210 (4) water molecules out of nine were lost during crystal mounting causing additional disorder in the water structure.

Original languageEnglish
Pages (from-to)m471-m472
JournalActa Crystallographica Section E: Structure Reports Online
Volume67
Issue number4
DOIs
Publication statusPublished - Apr 2011

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • Condensed Matter Physics
  • General Materials Science

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