Fast Preparation of Dimorphic Thioantimonates and a Thioantimonate with a Hitherto Unknown Network Topology Applying a New Synthesis Approach

Anderer, C., Nather, C. and Bensch, Wolfgang (2016) Fast Preparation of Dimorphic Thioantimonates and a Thioantimonate with a Hitherto Unknown Network Topology Applying a New Synthesis Approach Crystal Growth & Design, 16 (7). pp. 3802-3810. DOI 10.1021/acs.cgd.6b00356.

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Supplementary data:

Abstract

The reaction of an aqueous solution of Na3SbS3 with [Ni(terpy)(2)](2+) (terpy = 2,2':61,2 ''-terpyridine) afforded crystallization of three new thioantimonates in short reaction times. Two polymorphic compounds, [Ni(terpy)(2)][Sb4S7]center dot H2O (1, 2), were obtained simultaneously under identical reaction conditions, while an increase of the reaction temperature led to formation of the third compound [Ni(terpy)(2)](2)[Sb10S17] (3). In 1 the anion consists of a [Sb4S7](2-) chain, whereas 2 is composed of a layered [Sb4S7](2-) anion. Form 2 disappeared at longer reaction times, and therefore modification 1 might represent the thermodynamically stable form at this temperature despite the lower density compared to 2. Storing modification 1 at elevated temperatures the water can partly be removed in a topotactic reaction leading to the compound [Ni(terpy)(2)] [Sb4S7]center dot 0.25 H2O (1A). Compound 3 exhibits a unique Sb:S ratio, and a never before observed network topology significantly enhancing the structural diversity of thioantimonates(III).

Document Type: Article
Additional Information: Times Cited: 0 Anderer, Carolin Naether, Christian Bensch, Wolfgang
Research affiliation: OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
DOI etc.: 10.1021/acs.cgd.6b00356
ISSN: 1528-7483
Projects: Future Ocean
Date Deposited: 01 Mar 2017 08:15
Last Modified: 01 Mar 2017 08:15
URI: http://eprints.uni-kiel.de/id/eprint/35997

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