Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 61, Issue 50, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202211555
Keywords
Arene Ligands; Nickel; Sandwich Complexes; Transition Metals; Weakly Coordinating Anion (WCA)
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Funding
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [350173756, 417643975]
- state of Baden-Wurttemberg through bwHPC
- German Research Foundation (DFG) [INST 40/5751 FUGG]
- German Federal Ministry of Education and Research [BMBF-05K16VF1]
- Projekt DEAL
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A stable salt of the metalloradical [Ni(C6H6)(2)](+) previously unknown in the condensed phase was synthesized and fully characterized. It exhibits a remarkable asymmetrically eta(3),eta(6)-slipped sandwich structure.
A stable salt of the metalloradical [Ni(C6H6)(2)](+) hitherto unknown in the condensed phase was synthesized from [Ni(CO)(4)](+)[WCA](-) and benzene ([WCA](-)=[F{Al(ORF)(3)}(2)](-); R-F=C(CF3)(3)). Single crystal XRD reveals a remarkable asymmetrically eta(3),eta(6)-slipped sandwich structure. The magnetic properties of the [Ni(C6H6)(2)](+) cation were determined in solution and in the gas phase. Oxidation with the synergistic Ag+/0.5 l(2) system led to the salt [Ni(C6H6)(2)](2+)([WCA](-))(2). All products were fully characterized by means of IR, Raman, NMR/EPR, single crystal and powder XRD.
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