A new class of soluble and stable transition-metal-substituted polyoxoniobate: [Cr sub(2)(OH) sub(4)Nb sub(10)O sub(30)] super(8-)

A new class of soluble and stable transition-metal-substituted polyoxoniobate: [Cr sub(2)(OH) sub(4)Nb sub(10)O sub(30)] super(8-)

Hydrothermal synthesis of [Cr super(III) sub(2)(OH) sub(4)Nb sub(10)O sub(30)] super(8-) in gram-scale quantities leads to a new polyoxometalate ion composed of two CrNb sub(6)O sub(19) Lindqvist-type units that are fused viashared faces. The two Cr super(III) atoms are located in the centre of the...

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Veröffentlicht in:Dalton transactions : an international journal of inorganic chemistry 2012-10, Vol.41 (41), p.12674-12677
Hauptverfasser: Son, Jung-Ho, Ohlin, CAndre, Casey, William H
Format: Artikel
Sprache:eng
Schlagworte:
Density functional theory
Electronics
Mathematical analysis
Spectra
Synthesis
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Zusammenfassung:Hydrothermal synthesis of [Cr super(III) sub(2)(OH) sub(4)Nb sub(10)O sub(30)] super(8-) in gram-scale quantities leads to a new polyoxometalate ion composed of two CrNb sub(6)O sub(19) Lindqvist-type units that are fused viashared faces. The two Cr super(III) atoms are located in the centre of the molecule and are bridged by two mu sub(4)-O atoms. Electronic transitions are calculated using density functional theory and compare well with the measured UV-Vis spectra.
ISSN:1477-9226
1477-9234
DOI:10.1039/c2dt31760e