DOI: 10.1039/A706885I
(Paper)
Chem. Commun., 1998, 263-264
Two new nickel–dmit-based molecular conductors based on heteroleptic polymetallic complexes: synthesis, structures and electrical properties
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Tianlu Sheng, Wenjian Zhang, Xiancheng Gao and Ping Lin
Abstract
Two heteroleptic dmit complexes of polynuclear nickel(II), [NEt4]2[Ni5(edt)4(dmit)2] and [AsPh4]2[Ni3(pdt)2(dmit)2]·0.5MeOH (dmit = 2-thione-1,3-dithiole-4,5-dithiolate, H2edt = ethane-1,2-dithiol, H2pdt = propane-1,2-dithiol) are synthesized and characterized by X-ray crystallography and display room-temperature conductivities of 1.75 × 10–4 and 1.52 × 10–5 S cm–1; this is the first report of semiconducting heteroleptic dmit complexes consisting of more than two nickel(II) centres.