Abstract
The three compounds Ga 2Cl 4(4-mepy) 2 ( 1), [GaCl 2(4-mepy) 4]GaCl 4· 1 2 (4-mepy) ( 2) and GaCl 2(4-mepy) 2(S 2CNEt 2) ( 3) (4-mepy = 4-methylpyridine) have been prepared from reactions of gallium (II) chloride in 4-methylpyridine and characterized by single-crystal X-ray analysis. Small variations in the reaction conditions of gallium(II) chloride can produce crystals with substantially different structural properties. The three compounds described here encompass a neutral gallium(II) dimer in which each gallium is four-coordinate, an ionic compound containing both anionic and cationic gallium complex ions with different coordination numbers and a neutral six-coordinate heteroleptic dialkyldithiocarbamate species.
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