Table 1: Nuclear magnetic resonance data for the group 14 elements.
Nucleus
Nuclear spin
Gyromagnetic ratio (107, rad s−1 T−1)
Natural abundance
Resonance frequency (MHz)a
Relative sensitivityb
13C
1/2
6.725
1.11
125.7
1.00
29Si
1/2
−5.314
4.67
99.3
2.10
73Ge
9/2c
−0.9332
7.76
17.4
0.62
119Sn
1/2
−9.971
8.60
186.4
25.6
207Pb
1/2
5.597
22.60
104.6
11.4
aValues in a 11.74 T magnetic field (1H = 500 mHz).
bSensitivity is given at natural abundance in a constant field.
cQuadrupole moment = −0.18 × 10−28 m2.