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

Author: Nishikawa Hiroyuki   Kitabatake Ryosuke   Mitsumoto Kiyotaka   Shiga Takuya   Oshio Hiroki  

Publisher: MDPI

E-ISSN: 2073-4352|2|3|935-945

ISSN: 2073-4352

Source: Crystals, Vol.2, Iss.3, 2012-07, pp. : 935-945

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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.

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