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41.
The molecular structures of (tBu)Ga(S2CNnPr2)2 (1) and (iPrO)Ga(S2CNEt2)2 (2) have been determined. The variation in the geometries observed for bis-dithiocarbamate compounds of gallium, (X)Ga(S2CNMe2)2 (X=Cl, iPrO, tBu) do not lie along the Berry pseudorotation pathway for the square-based pyramid to trigonal bipyramid geometrical transition. Instead, the structures appear to lie on an unusual ligand two-step, Texas, pseudorotation mechanism which results in a highly distorted trigonal bipyramidal geometry. Crystal data: (1) monoclinic, P21,/c, a = 9.786(1), b = 29.218(3), c = 9.452(1) Å, = 108.379(9)°, V = 2564.7(5) Å3, and Z = 4. (2) Monoclinic, P21
/c, a = 10.980(3), b = 15.673(4), c = 12.461(3) Å, = 97.47(2)°, V = 2126.2(9) Å3 and Z = 4. 相似文献
42.
W. Ohle A. C. Dresher L. H. N. Cooper M. A. Schpak Schubajew Demmering J. A. Nikiforow A. Krogh A. Keys D. M. Tjukow O. A. Babitschewa Margaret D. Foster E. Zentner F. Sander G. Gad J. Casares Gil J. Casares P. F. Gorbatschew und A. H. de Carvalho 《Fresenius' Journal of Analytical Chemistry》1937,110(5-6):221-225
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