Journal
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Volume -, Issue 12, Pages 1846-1850Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejic.201600095
Keywords
Solid-phase synthesis; Main group elements; Layered compounds; Silicates; Chalcogens
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Funding
- National Natural Science Foundation of China (NSFC) [91222204, 21403231, 21303203]
- National Natural Science Foundation of Fujian Province [2014J05025, 2014J01065]
- Education Foundation of Hubei Province [D20144402]
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The first indiumsilicate oxysulfide Ba2In2Si3O10S (1) was obtained by an alkali polychalcogenide flux method through a high-temperature solid-state reaction. It crystallizes in the non-centrosymmetric space group Pca2(1) (No. 29), with a = 23.060(6), b = 5.2954(6), c = 8.779(2) angstrom, and Z = 4. Its three-dimensional (3D) framework is constructed from one-dimensional (1D) infinite infinity(1)[In2O7S2/2] double octahedral chains bridged by corner-sharing Si tetrahedral trimers [Si3O10](8-), yielding a 3D framework with the channels filled with Ba2+ cations along the b direction. It is unprecedented in that the two distorted indium octahedra in 1 face-share to form a [In2O7S2] dimer in indium oxides and oxide chalcogenides.
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