Affiliation:
1. Institute of Inorganic Chemistry, University of Munich, Meiserstraße 1, D-80333 München
Abstract
Abstract
The structure of cadmium tetrahydroborate in THF solution is fluxional on the NMR time scale and best described as Cd[(µ-H)2BH2]2•nTHF as indicated by IR data. Reactions of LiBH4 with Cd(BH4)2 in THF yield the monoanion [Cd(BH4)3]- exclusively, while a dilithium salt Li2[Cd(BH4)4] • 4 diglyme precipitates from diglyme solutions. Equilibria involving ICd(BH4), Cdl2, Cdl3
-, [Cd(BH4)3]-and/or [ICd(BH4)2]- result from Cd(BH4)2 and LiI in THF or diglyme. The solvent as well as the cation of the iodide (Cd2+ or Li+) influence the equilibria. This can be explained in terms of the different polarity and chelating ability of the solvents.
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3 articles.
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