5  Aluminium, gallium, indium and thallium

Kresiński, Roman A.

doi:10.1039/b311778m

Cited by 4 publications

(2 citation statements)

References 190 publications

(185 reference statements)

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“…Gallium and indium share similar coordination chemistry; since they are both strong Lewis acids, many of the same ligands (mainly O, N or S donors) bind both metals, forming stable complexes. There is a variety of stoichiometries and structures known for Ga 3+ and In 3+ complexes 3, 4 including monometallic complexes, dimetallic (or multimetallic) clusters bridged by ligands, and ionic compounds. Both metal ions show coordination numbers from 3 to 6, depending on the size, shape and denticity of the ligating moiety relative to the metal centre.…”

Section: Introductionmentioning

confidence: 99%

“…GaAs, InP). 4 Gallium hydrides have also been well investigated as precursors in this field 5 while indium hydrides are still under study. 6 Gallium and indium ions hydrolyse easily; for indium, the presence of chloride in aqueous solution can also be problematic and, depending on the concentration, various In 3+ -chloride species or In 3+ -hydroxo-chloride complexes strongly form.…”

Section: Introductionmentioning

confidence: 99%

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Coordination chemistry of P, O-bidentate phosphinophenolates with Ga3+ and In3+

2005

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Novel complexes of Ga3+ and In3+ were synthesized with two hetero donor phosphinophenolate ligands (PO-, ortho-phenoxydiphenylphosphine; MePO-, 5-methyl-2-phenoxydiphenylphosphine). RPO-(R=H, Me) binds in a bidentate fashion through both the hard O and the soft P donor atoms to In3+, whereas, it only binds Ga3+ through the O donor. Electrochemical synthesis proved to be a practical synthetic approach to In2(PO)3Cl3, In(PO)3 and In(MePO)3. [In(MePO)(H2O)Cl2]2 and Ga(HPO)Cl3 were synthesized from MCl3(M=In and Ga, respectively). Both dimetallic indium complexes, [In(MePO)(H2O)Cl2]2 and In2(PO)3Cl3, incorporate phenolate oxygen atoms bridging the two metal ions. Each pair of In atoms are in a distorted octahedral geometry in each complex, with the former complex having a coordination sphere of PO3Cl2 for both indium metal ions and the latter showing a coordination sphere of PO3Cl2 for one indium and P2O3Cl for the other. Ga(HPO)Cl3 is a zwitterionic complex, with Ga having a OCl3 coordination core. All these complexes were fully characterized by a variety of techniques including X-ray crystallography.

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Section: Introductionmentioning

confidence: 99%