Unmasking the constitution and bonding of the proposed lithium nickelate "Li3NiPh3(solv)3": revealing the hidden C6H4 ligand.
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ABSTRACT: More than four decades ago, a complex identified as the planar homoleptic lithium nickelate "Li3NiPh3(solv)3" was reported by Taube and co-workers. This and subsequent reports involving this complex have lain dormant since; however, the absence of an X-ray diffraction structure leaves questions as to the nature of the Ni-PhLi bonding and the coordination geometry at Ni. By systematically evaluating the reactivity of Ni(COD)2 with PhLi under different conditions, we have found that this classical molecule is instead a unique octanuclear complex, [{Li3(solv)2Ph3Ni}2(μ-η2:η2-C6H4)] (5). This is supported by X-ray crystallography and solution-state NMR studies. A
SUBMITTER: Somerville RJ
PROVIDER: S-EPMC9093164 | biostudies-literature | 2022 May
REPOSITORIES: biostudies-literature
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