Synthesis, structure and characterization of two new copper(I)-thioarsenates (III) constructed by the [AsS3](3-) and CuSx units
Release Time:2019-03-09 Hits:
Indexed by: Journal Article
Date of Publication: 2013-02-01
Journal: JOURNAL OF SOLID STATE CHEMISTRY
Included Journals: EI、SCIE
Volume: 198
Page Number: 289-294
ISSN: 0022-4596
Key Words: Solvothermal synthesis; Copper(I)-thioarsenates(III); Framework structure; Copper-sulfur chain
Abstract: Two new copper(I)-thioarsenates(III), CsCu2AsS3(1) and KCu4AsS4(2), have been synthesized solvothermally in the presence of copper powder. Compound I is built up of trigonal AsS3 pyramid, tetrahedral CuAsS3 and CuS3 moieties forming 4-membered, 5-membered and 6-membered rings. The fusion of these rings produces layered anions [Cu2AsS3](-), and cesium cations are located between metal-sulfide layers. The structure of 2 consists of infinite [Cu2S2](2-) chain and layered [Cu6As2S6] linked to form a three-dimensional anionic framework, [Cu4AsS4](-), and containing channels in which the potassium cations reside. (C) 2012 Elsevier Inc. All rights reserved.