Table 6: 73Ge NMR spectral data for tetrahedrally substituted germanes Ge(OR)4 and .

Compound   73Ge (ppm) (Hz)

Ge[O(CH2)3NEt2]4 (14)n/r
Ge[O(CH2)3NMe2]4 (15)n/r
Ge[O(CH2)3NMe2]4 (16)−45103
Ge[O(CH2)4NMe2]4 (17)−44101
Ge[O(CH2)2 ]4 (18)−4151
Ge[O(CH2)3OMe]4 (19)−4375
Ge[O(CH2)2OMe]4 (20)−5168
Ge[O(CH2)2CN]4 (21)−5095
Ge[S ]4 (22)12039
Ge[S ]4 (23)13837
Ge[S(CH2)2NMe2]4 (24)14179

aData are referenced to Me4Ge and are taken from [8]. n/r: no resonance observed. n/a: not reported.