Abstract
The metal string complexes with different metal ions and various lengths have been successfully synthesized and structurally characterized. The crystal and molecular structure of nonanickel complex [Ni 9(μ 9-(peptea) 4Cl 2] which is the longest metal string at this moment will be reported. Crystal data for [Ni 9(μ 9-(peptea) 4Cl 2](C 2H 4Cl 2) 10: Space group, monoclinic C 2/c, a=27.0453(6), b=42.6678(5), c=37.4268(6) Å, β=109.539(1)°, V=40702(1) Å 3, Z=12, R F=12% for the observed reflections ( I>2 σ( I)). The band structure calculation of infinite one-dimensional metal chains of Ni II and Cr II based on the structure of nonanickel complex will be presented. Finally, the metal string complexes [M II n L 4X 2] will be chemisorbed on the Ag or Au surface and the potential application of these complexes as a molecular metal wire will be demonstrated.
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