[Fe(C6H14N2)2][Sb6S10] – Using a Transition Metal Complex Acting as a Pillar for the Generation of a Three-dimensional Thioantimonate(III) Network

Wolff-Ragnar Kiebach, Ralph Warratz, Christian Näther, Wolfgang Bensch

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The new three-dimensional thioantimonate [Fe(C6H14N2)2][Sb6S10] was obtained under solvothermal conditions. The compound crystallizes in space group P$\bar{1}$ with a = 6.174(4), b = 9.679(2), c = 12.772(3) Å, α = 72.08(3), β = 88.15(3), γ = 89.51(3)°, Z = 2. Trigonal pyramidal [SbS3] units and [SbS4] groups are joined to form a two-dimensional [Sb6S10]2– layer. The in-situ formed [Fe(C6H14N2)2]2+ complexes act like pillars joining the layers into a three-dimensional framework through Fe–S bonds. The Fe–S bond lengths are long which may be caused by a pronounced Jahn–Teller distortion. The optical bandgap of 2.0 eV is in agreement with the brownish color of the compound. The Mössbauer spectrum shows a doublet with an isomer shift typical for Fe2+ in the high spin state. In the Raman spectrum the Sb–S stretching modes of the [SbS3] and [SbS4] groups can be distinguished. Upon heating in nitogen the compound is decomposed in one step yielding Sb2S3 and FeSb2S4.
Original languageEnglish
JournalZeitschrift fuer Anorganische und Allgemeine Chemie
Volume635
Issue number6‐7
Pages (from-to)988-994
ISSN0044-2313
DOIs
Publication statusPublished - 2009
Externally publishedYes

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