- Vibrational spectra and normal coordinate analysis of CF3 compounds. The trifluoromethylgermanes (CF3)2GeH2-nDn and (CF3)3GeH1-nDn
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The gas phase i.r. and liquid phase Raman spectra of (CF3)2GeH2, (CF3)2GeHD, (CF3)2GeD2, (CF3)3GeH and (CF3)3GeD are reported and assigned.Force constants have been calculated yielding f(GeC) 2.25/2.27, f(GeH) 2.743/2.762 and f(CF) 5.75/5.82 N cm-1/
- Eujen, R.,Mellies, R.
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- (TRIFLUOROMETHYL)GERMANES. PREPARATION AND PROPERTIES OF (CF3)2GeHX (X = H, D, F, Cl, Br, I, CH3) AND CF3GeHnX3-n (X = H, D, CF2H, CH3)
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The hydrogenation of (CF3)nGeX4-n (X = halogen, n = 1-3) with NaBH4 in an acidic medium has been investigated.Deuteration with NaBD4 and D3PO4 gave the partially deuterated species CF3GeHnD3-n and (CF3)2GeHnD2-n in reasonable isotopic purity.The )CF3)2GeHBr was isolated and converted into the halides (CF3)2GeHX (X = F, Cl, I) by treatment with AgX or HX.Insertion of CF2 into a Ge-H bond has been observed, and (CF3)(CF2H)GeH2 has been characterized.Direct alkylation of Ge-H bonds brought about by reaction with a mixture of RI and R'2Zn (R, R' = CH3, C2H5), and the methyl(trifluoromethyl)germanes CF3GeH2(CH3), CF3GeH(CH3) and (CF3)2GeH(CH3) were isolated.For R = CD3, R' = CH3 the product distribution can be accounted in terms of two competing mechanisms.
- Eujen, R.,Mellies, R.,Petrauskas, E.
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