A C2-symmetric antimonato polyoxovanadate cluster [V16Sb4O42(H2O)]8− derived from the {V18O42} archetype.

Antonova, Elena, Näther, Christian, Kögerler, Paul and Bensch, Wolfgang (2012) A C2-symmetric antimonato polyoxovanadate cluster [V16Sb4O42(H2O)]8− derived from the {V18O42} archetype. Dalton Transactions, 41 (23). p. 6957. DOI 10.1039/C2DT30319A.

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Supplementary data:


The new antimonato polyoxovanadate [VIV16SbIII4O42(H2O)]8− cluster (1a) is the main structural motif of the solvothermally obtained compound {(trenH2)Zn(tren)}2[V16Sb4O42(H2O)]·xH2O (x = 6–10) (1) (tren = tris(2-aminoethyl)amine). The C2-symmetric cluster structure is closely related to the {V18O42} archetype. 1 crystallizes in the monoclinic space group C2/c with a = 30.7070(19) Å, b = 13.9512(5) Å, c = 23.1435(14) Å, β = 128.076(6)°, and V = 7804.8(7) Å3. The orientation of the [SbIII2O5]4− groups in each cluster leads to intermolecular Sb⋯O contacts and the formation of channels between the clusters. [Zn(tren)(trenH2)] complexes with trigonal bipyramidal coordination environments are located between the [V16Sb4O42(H2O)]8− anions, and form a three dimensional network with them via strong N–H⋯O hydrogen bonds. Up to 250 °C crystal water molecules are emitted, which are reversibly incorporated in humid air.

Document Type: Article
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1039/C2DT30319A
ISSN: 1477-9226
Projects: Future Ocean
Date Deposited: 12 Jun 2018 10:03
Last Modified: 04 Apr 2019 09:23
URI: http://oceanrep.geomar.de/id/eprint/43318

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