1. Cationic Niobium‐Sandwich and Piano‐Stool Complexes.
- Author
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Unkrig, Wiebke, Zhe, Fu, Tamim, Razan, Oesten, Friederike, Kratzert, Daniel, and Krossing, Ingo
- Subjects
CONDUCTION electrons ,INORGANIC chemistry ,SINGLE crystals ,ANALYTICAL chemistry ,NIOBIUM ,NUCLEAR magnetic resonance spectroscopy - Abstract
The syntheses of the homoleptic bis(arene) niobium cations [Nb(arene)2]+ (arene = C6H3Me3, C6H5Me) with 16 valence electrons and heteroleptic arene‐carbonyl cations [(CO)Nb(arene)2]+ (arene = C6H3Me3, C6H5Me) and [(arene)M(CO)4]+ (arene = C6H3Me3, C6H6) obeying 18 valence electrons are described. Stabilization of these complexes was achieved by using the weakly coordinating anions [Al(ORF)4]− or [F{Al(ORF)3}2]− (RF = C(CF3)3). The limits of two synthesis routes starting from neutral Nb(arene)2 (arene = C6H3Me3, C6H5Me) or [NEt4][M(CO)6] (M = Nb, Ta) were investigated. All compounds were analyzed by single crystal X‐ray determination, vibrational and NMR spectroscopy. DFT calculations were executed to support the experimental data. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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