Synthesis and structural characterization of 1,2-benzenedisulfonate complexes of the heavy group 2 elements

Deacon, Glen B., Forsyth, Craig M., Greenhill, Neil B., Harika, Rita, Junk, Peter C., Skelton, Brian W., and White, Allan H. (2009) Synthesis and structural characterization of 1,2-benzenedisulfonate complexes of the heavy group 2 elements. Zeitschrift für Anorganische und Allgemeine Chemie, 635 (6-7). pp. 949-961.

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View at Publisher Website: http://dx.doi.org/10.1002/zaac.200900048
 
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Abstract

Reaction of the commercially available potassium 1,2-benzenedisulfonate (K2L) with calcium chloride, strontium nitrate, and barium chloride in aqueous solution yielded [Ca2L2(H2O)4], [Sr4L4(H2O)8]·1.5H2O and [Ba2L2(H2O)5]·H2O in a form suitable for single-crystal X-ray determination. From one preparation of the calcium complex a few crystals of [K2CaL2(H2O)3]·0.5H2O were obtained but were not representative of the bulk product. From reaction of CaCO3 with H2L and recrystallization from aqueous ethanol, crystals of [Ca2L2(H2O)6]·EtOH deposited. All complexes are coordination polymers with metal atoms being bridged and chelated by 1,2-benzenedisulfonate groups, which show an enormous variety of coordination modes, and coordinated by water molecules, some of which are bridging. Calcium has an eight-coordinate ion in all compounds, potassium six-coordinate in the bimetallic complex; the strontium complex has eight- and nine-coordinate strontium atoms and the barium complex nine- and eleven-coordinate barium atoms.

Item ID: 29638
Item Type: Article (Research - C1)
ISSN: 1521-3749
Keywords: calcium, strontium, barium, 1,2-benzenedisulfonate, crystal structures
Funders: Australian Research Council (ARC)
Date Deposited: 02 Oct 2013 10:34
FoR Codes: 03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030204 Main Group Metal Chemistry @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100%
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