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Issue 19, 2018
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Ordnung muss sein: heteroelement order and disorder in polyoxovanadates

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Abstract

The first mixed antimonato–germanato polyoxovanadates were synthesized using two different strategies, highlighting the critical role of the precursors. Following the traditional route using multiple single sources as precursors the polyanions [V15Sb2Ge4O42(OH)4(H2O)]6− (1) and [V15Sb3Ge3O42(OH)3(H2O)]6− (2) are obtained, which display disorder of their Sb/Ge positions, indicating that clusters of different compositions are in equilibrium in solution. In contrast, if the water-soluble single-source precursor {Ni(en)3}3[V15Sb6O42(H2O)]·ca. 15H2O is reacted with GeO2, {Ni(en)3}3[V15Sb3Ge3O42(OH)3(H2O)]·≈9H2O (3) forms, in which Sb and Ge occupy distinct positions that might have been formed via partial substitution reactions in the {V15Sb6} precursor.

Graphical abstract: Ordnung muss sein: heteroelement order and disorder in polyoxovanadates

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Supplementary files

Article information


Submitted
22 Feb 2018
Accepted
09 Apr 2018
First published
09 Apr 2018

Dalton Trans., 2018,47, 6672-6674
Article type
Communication

Ordnung muss sein: heteroelement order and disorder in polyoxovanadates

M. Wendt, L. K. Mahnke, C. Näther, J. van Leusen, P. Kögerler and W. Bensch, Dalton Trans., 2018, 47, 6672
DOI: 10.1039/C8DT00715B

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