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Crystals 2012, 2(3), 935-945; doi:10.3390/cryst2030935
Article

One-Pot Synthesis of Cu(II) Complex with Partially Oxidized TTF Moieties

1,* , 2
,
2
,
2
 and
2
1 Department of Chemistry, Faculty of Science, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8371, Japan 2 Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan
* Author to whom correspondence should be addressed.
Received: 20 April 2012 / Revised: 14 June 2012 / Accepted: 26 June 2012 / Published: 10 July 2012
(This article belongs to the Special Issue Molecular Conductors)
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Abstract

The one-pot synthesis of a Cu(II) complex with partially oxidized tetrathiafulvalene (TTF) moieties in its capping MT-Hsae-TTF ligands, [CuII(MT-sae-TTF)2] [CuICl2] was realized by the simultaneous occurrence of Cu(II) complexation and CuIICl2 mediated oxidation of TTF moieties. The crystal structure was composed of one-dimensional columns formed by partially oxidized TTF moieties and thus the cation radical salt showed relatively high electrical conductivity. Tight binding band structure calculations indicated the existence of a Peierls gap due to the tetramerization of the TTF moieties in the one-dimensional stacking column at room temperature, which is consistent with the semiconducting behavior of this salt.
Keywords: TTF-based metal complex; Schiff base-type TTF-ligand; partial oxidation of TTF; one-pot synthesis; electrical conductivity; π-d interaction TTF-based metal complex; Schiff base-type TTF-ligand; partial oxidation of TTF; one-pot synthesis; electrical conductivity; π-d interaction
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Nishikawa, H.; Kitabatake, R.; Mitsumoto, K.; Shiga, T.; Oshio, H. One-Pot Synthesis of Cu(II) Complex with Partially Oxidized TTF Moieties. Crystals 2012, 2, 935-945.

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