4.7 Article

Which is the most basic oxygen in [Ta6O19](8-)? - Synthesis and structural characterization of [H2Ta6O19](6-)

Journal

INORGANIC CHEMISTRY COMMUNICATIONS
Volume 14, Issue 1, Pages 115-117

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.inoche.2010.09.045

Keywords

Molecular oxide; Polytantalate; Lindqvist anion; Protonation

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The first protonated hexatantalate, [H2Ta6O19](6-), has been synthesized and structurally characterized. X-ray diffraction analysis revealed that the protons are selectively attached to the O atoms that bridge two Ta atoms. The overall structure of the [H2Ta6O19](6-) anion is virtually identical to that predicted by a DFT calculation. (C) 2010 Elsevier B.V. All rights reserved.

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