Polymeric strontium ranelate nonahydrate

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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The title compound, poly[[mu-aqua-tetraaqua{mu-5-[bis(carboxylatomethyl)amino]-3-carboxylatomethyl-4-cyanothiophene-2-carboxylato}distrontium(II)] tetrahydrate], [Sr-2(C12H6N2O8S)(H2O)(5)]center dot 3.79H(2)O, 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 interconnected by edge-sharing, forming hollow layers parallel to (011). The layers are, in turn, interconnected 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
JournalActa Crystallographica. Section E: Structure Reports Online
Pages (from-to)m471-m472
StatePublished - 2011
CitationsWeb of Science® Times Cited: 2
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ID: 5656641