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Na5(Ga4S)(GaS4)3·6H2O: a three-dimensional thiogallate containing a novel octahedral building block

Rumble, J. and Vaqueiro, P. ORCID: https://orcid.org/0000-0001-7545-6262 (2011) Na5(Ga4S)(GaS4)3·6H2O: a three-dimensional thiogallate containing a novel octahedral building block. Solid State Sciences, 13 (5). pp. 1137-1142. ISSN 1293-2558

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To link to this item DOI: 10.1016/j.solidstatesciences.2011.01.003

Abstract/Summary

The new thiogallate Na5(Ga4S)(GaS4)3·6H2O has been prepared solvothermally, using 3,5-dimethyl pyridine as a solvent, and characterised by powder and single crystal X-ray diffraction. This material, which exhibits a three-dimensional crystal structure, crystallises in the cubic space group View the MathML sourceF4¯3c (a = 17.557(4) Å). The crystal structure contains octahedral building blocks [Ga4S (GaS4)6]20−, linked into a three-dimensional network with a perovskite-type topology, and sodium hydrate clusters, [Na5(H2O)6]5+, filling the cavities in the [Ga4S(GaS4)6/2]5− framework. UV–Vis diffuse reflectance measurements indicate that this material is a wide band gap semiconductor, with a band gap of ca. 4.4 eV.

Item Type:Article
Refereed:Yes
Divisions:No Reading authors. Back catalogue items
ID Code:41107
Publisher:Elsevier

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