Rasmussen, M., Näther, C., Bismayer, U. and Bensch, Wolfgang (2012) Small non-polar complexes exhibiting significant piezoelectric properties: Solvothermal synthesis and crystal structures of MO5V(tren)·H2O (M=Mo and W; tren=tris(2-aminoethyl)amine). Journal of Solid State Chemistry, 195 . pp. 108-114. DOI 10.1016/j.jssc.2012.02.040.

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Abstract

The two isostructural complexes MO5V(tren)·H2O (M=Mo (1) and W (2)) were synthesized under solvothermal conditions at pH≈12 crystallizing in the non-centrosymmetric space group P212121. The structures are constructed by a distorted tetrahedral [MO4]2− anion bound via one shared oxygen atom to a severely distorted [VIVN4O]2+ complex completing the octahedral coordination around the V centre. The two O atoms in the VN4O2 octahedron are in cis position. The two compounds represent rare examples where the [MO4]2− anion is acting as a ligand. Both compounds exhibit a piezoelectric effect which is more pronounced for M=Mo. The samples are further characterized with IR and UV/Vis spectroscopy and thermal analysis.
Graphical abstract
The complexes [(V(tren)O)(MO4)]·H2O (M = Mo, W; tren = tris(2-aminoethyl)amine)) composed of vertex-linked [MO4]2− tetrahedron and [VN4O6]2+octahedron.

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
Publisher:	Elsevier
Projects:	Future Ocean
Date Deposited:	12 Jun 2018 10:11
Last Modified:	29 Mar 2019 12:31
URI:	https://oceanrep.geomar.de/id/eprint/43326

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