[Cu(H2O)(C5H14N2)(2)][VO3](2) - A Metavanadate Containing Right- and Left-Handed Helical Chains.

Wutkowski, A., Nather, C. and Bensch, Wolfgang (2009) [Cu(H2O)(C5H14N2)(2)][VO3](2) - A Metavanadate Containing Right- and Left-Handed Helical Chains. Zeitschrift für anorganische und allgemeine Chemie, 635 (4-5). pp. 753-758. DOI 10.1002/zaac.200801416.

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Supplementary data:

Abstract

The new metavanadate [Cu(H2O)(C5H14N2)(2)][VO3](2) (C5H14N2 is 2,2-dimethylpropyldiamine) (1) was syntheized under solvothermal conditions. The compound crystallizes ill the rhombohedral space group R3m with a = 28.6984(15), c = 6.4309(3), V = 4586.9(4) angstrom(3), Z = 9. The main structural motifs are helical metavanadate VO3(n)(n-) chains made by corner-sharing [VO4](3) tetrahedra and [Cu(H2O)(C5H14N2)(2)](2+) complexes with the Cu2+ ion being in a distorted square-pyramidal Coordination environment. The complexes are located between left- and right-handed metavanadate chains. The arrangement of the Chains and the [Cu(H2O)(C5H14N2)(2)](2+) complexes generates Channels with liphophilic walls running along [001]. It seems that the orientation of the [Cu(H2O)(C5H14N2)(2)](2+) moieties is fixed between the metavanadate chains by strong hydrogen bonding interactions. This special arrangement prevents Cu-O bond formation as observed in many Cu2+ containing metavanadate compounds. The compound decomposes in at least three steps. The optical bandgap was determined to 3.04 eV.

Document Type: Article
Keywords: solvothermal synthesis; crystal structure; metavanadates; hydrogen bonding interactions; thermal stability; state coordination chemistry; vanadium-oxide nanotubes; hydrothermal syntheses; magnetic-properties; sodium metavanadate; lithium batteries; molecular magnet; secondary metal; vanadate; behavior
Research affiliation: OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
Open Access Journal?: No
Publisher: American Medical Association
Projects: Future Ocean
Date Deposited: 12 Nov 2010 14:08
Last Modified: 28 Jul 2019 06:01
URI: https://oceanrep.geomar.de/id/eprint/9853

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