Gallane Complexes with Amido−Amine Ligands
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https://figshare.com/articles/dataset/Gallane_Complexes_with_Amido_Amine_Ligands/3600711
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Gallane complexes bearing amido−amine ligands −N(R)CH2CMe2CH2NMe2 [R = H or SiMe3 (TMS)], {H2Ga[N(H)CH2CMe2CH2NMe2]}2, 1, H2Ga[N(TMS)CH2CMe2CH2NMe2], 2, {H(Cl)Ga[N(H)CH2CMe2CH2NMe2]}2,
3, {[(TMS)2N](H)Ga[N(H)CH2CMe2CH2NMe2]}2, 4, and HGa[N(TMS)CH2CMe2CH2NMe2]2, 5, were synthesized
from the reactions of the quinuclidine adducts of mono- and dichlorogallane with the corresponding lithium amides.
Structural determinations of compounds 1, 3, and 4 showed all were dimeric with bridging amido groups. Rather
than bond to gallium the tertiary amine groups in 1 and 4 were hydrogen-bonded to the amido N−H. In the
structure of compound 3 the amine group occupied an axial position in the trigonal bipyramidal geometry of the
five-coordinate gallium. The results were rationalized in terms of the steric and electronic properties of gallium
ligands.
创建时间：
2016-08-17
