J. Drake, Jin-Can Yang
Mar 1, 1994
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Journal
Inorganic Chemistry
Abstract
The S-alkyl trithiocarbonate (trixanthate) derivatives Me 3 Ge[S 2 CSR], Ph 3 Ge[S 2 CSR], and Ph 2 Ge[S 2 CSR] 2 , where R=Et, i-Pr, n-Pr, and n-Bu, have been prepared in 73-85% yields by the reaction of the potassium salt of the appropriate trithiocarbonic (trixanthic) acid with iodotrimethylgermane, bromotriphenylgermane, or dichlorodiphenylgermane. The compounds were characterized by infrared, Raman, and 1 H and 13 C NMR spectroscopy. The crystal structure of Ph 2 Ge(S 2 CS(i-Pr)] 2 was determined, and it crystallizes in space group P1 (No. 2) with the cell parameters a=10.752(9) A, b=13.36(1) A, c=9.64(2) A, α=105.8(1) o , β=113.2(1) o , γ=91.79(9) o , V=1211(3) A 3 , and Z=2; R=0.0638, and R w =0.0626