Abstract
Three oxygen donor gallium(III) halide complexes, [GaX3(O=P(TMP)3] (TMP = trimethoxylphenyl and X = Cl− (1), Br− (2) and I− (3)), are prepared by oxidation in mixed solvents from their phosphine adducts of [GaX3(P(TMP)3]. Three crystalline compounds are obtained from the solutions and their crystal structures are determined in the solid state. It is rare to generate a crystalline phase for metal–adduct compounds of this bulky ligand; in this paper, three new crystal structures are presented.
Highlights
The classic donor–acceptor complex H3 N-BF3 was first prepared in 1809 by GayLusac; it was analyzed using microwave spectroscopy in the gaseous phase by Legon and Waener and studied via quantum mechanical calculations by Frenking [1]. It is well-known that group 13 metal halides of the type MX3 (M = B, Al, Ga, In and Tl, X = Cl−, Br−, I− ) have electron pair acceptor orbitals and can form donor–acceptor complexes with nitrogen, oxygen, sulfur and phosphine donor atoms [2]
We present a study of the formation of oxygen donor complexes with gallium halides through the oxidation reaction of the binding methoxy-substituted triphenylphosphine (TPP) ligands
When we compared the gallium(III)–phosphine halide complexes in the solid state with the gallium(III) halides, we found the donor–acceptor adducts were much more stable than the metal halides
Summary
The classic donor–acceptor complex H3 N-BF3 was first prepared in 1809 by GayLusac; it was analyzed using microwave spectroscopy in the gaseous phase by Legon and Waener and studied via quantum mechanical calculations by Frenking [1] It is well-known that group 13 metal halides of the type MX3 (M = B, Al, Ga, In and Tl, X = Cl− , Br− , I− ) have electron pair acceptor orbitals and can form donor–acceptor complexes with nitrogen, oxygen, sulfur and phosphine donor atoms [2]. We present a study of the formation of oxygen donor complexes with gallium halides through the oxidation reaction of the binding methoxy-substituted triphenylphosphine (TPP) ligands
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