N
X
C
O
N
S
Hal
Solvents
Natural
Products
P Si
C
C
C C
C
C
146
4 13 C NMR
4.12 Miscellaneous Compounds
4.12.1 Compounds with Group IV Elements
13 C Chemical Shifts of Silicon Compounds (δ in ppm)
13 C Chemical Shifts and Coupling Constants of Germanium, Tin, and
Lead Compounds (δ in ppm, |J| in Hz)
Pb
H 3 C Si
O
O
O
Sn
H 3 C Sn
CH 3
CH 3
CH 3
H 3 C Pb
CH 3
CH 3
CH 3
H 3 C Ge
CH 3
CH 3
CH 3
Ge
Si
Cl Si
Cl
Cl
Cl Si
Cl
CH 3
CH 3
Cl Si
Cl
Cl
CH 3
Cl Si
CH 3
CH 3
CH 3
H 3 C Si
CH 3
CH 3
CH 3
9.8
3.3
6.7
0.0
-3.6
-9.3
-4.2
Si
Si
Si
135.7
169.0
138.7
136.3
129.6
3.1
58.3
26.6
7.4
18.3
4.7
5.0
-7.1
16.2 16.6
21.6
-2.0
Si
O
O
O
134.3
150.1
1 J 478
1 J 531
2 J 67
2 J 38
137.9
136.2
136.4
137.6
137.2
135.4
127.9
129.5
128.6
128.3
129.6
128.5
Couplings with 207 Pb
(22.6%, I = 1/2)
Couplings with 119 Sn
(8.58%, I = 1/2)
129.1
129.1
3 J 80
3 J 52
4 J 19
4 J 11