Die Kristallstruktur von Tetramethylstiboniumtetrachlorogallat [(CH3)4Sb]+[GaCl4]- / The Crystal Structure of Tetramethylstibonium Tetrachlorogallate [(CH3)4Sb]+[GaCl4]-
H.‐D. HausenH. BinderW. Schwarz
Abstract
Abstract Tetramethylstiboniumtetrachlorogallate crystallizes in the hexagonal space group P6 3 mc with two formula units per cell. The lattice constants are a=b = 768.8 pm and c= 1251.2 pm. The structure shows isolated cationic and anionic tetrahedra, which are only slightly distorted. The averaged bond lengths are: Sb-C 212.6 pm and Ga-Cl 217.2 pm. In good agreement with the short Ga-Cl distance (the shortest of all compounds ((CH 3 ) n GaCl 4-n ) - ; n = 1-3) are the measured ionization energies of Ga-3d-electrons and the calculated Pauling Qp-values.
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