Further studies of [Ni4(DAniDANy)4] (DAniDANy2−=N,N’-bis-p-anisyl-2,7-diamido-1,8-naphthyridine) and its one-electron oxidation product: Metal-metal sigma bonding in Ni49+ complex
2012
Abstract The linear tetranickel strings, [Ni 4 (DAniDANy) 4 ] ( 1 ), and its one-electron oxidation product, [Ni 4 (DAniDANy) 4 ](PF 6 ) ( 2 ), have been synthesized and studied extensively (DAniDANy 2− = N,N’-bis-p-anisyl-2,7-diamido-1,8-naphthyridine). Crystal structural analyses and DFT calculations suggest that the chemical oxidation of 1 involves removal of an electron from the σ* antibonding orbital, which results in the formation of Ni-Ni bonds in 2 .
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