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Solvothermal Synthesis of [C6H17N3]Sb10S16: A New Thioantimonate(III) with an in situ Formed Organic Amine Cation.

✍ Scribed by Ragnar Kiebach; Christian Naether; Wolfgang Bensch

Book ID: 101972115
Publisher: John Wiley and Sons
Year: 2005
Weight: 14 KB
Volume: 36
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.200511010

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✦ Synopsis

Structure D 2000

Solvothermal Synthesis of [C 6 H 17 N 3 ]Sb 10 S 16 : A New Thioantimonate(III) with an in situ Formed Organic Amine Cation. -Title compound (II) crystallyzes in the monoclinic space group P21/c with Z = 4 (single crystal XRD). The [Sb10S16] 2-anion consists of nine SbS3 trigonal pyramidal units and one SbS4 moiety. These primary building units share common corners and edges yielding Sb3S3 and Sb2S2 rings. Further condensation leads to strongly undulated two atoms thick layers. Very large Sb 31 S 31 rings within the layers show a double-ellipsoidal shape. The organic amine cations act as pillars between successive layers. A remarkable observation is the formation of the 2-piperazine-N-ethylamine cation by cyclization of tris(2-aminoethyl)amine under the applied solvothermal conditions.

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## Abstract As revealed by single crystal XRD compounds (II) and (VI) crystallize in the triclinic space group P$\bar 1$ with Z = 2, (IV) in the monoclinic space group P2~1~/m with Z = 4, and (V) in the monoclinic space group P2~1~/n with Z = 4.