Page 339 - Academic Press Encyclopedia of Physical Science and Technology 3rd Analytical Chemistry

P1: GNH/FEE P2: GPJ Final Pages
Encyclopedia of Physical Science and Technology EN010C-493 July 19, 2001 20:30

704 Nuclear Magnetic Resonance (NMR)

TABLE I Properties of Magnetically Active Nuclides a,b
Resonance
Atomic Natural Quadrupole Gyromagnetic frequency
1
7
weight/ abundance Sensitivity moment ratio (10 rad ( H TMS
2
element Spin (%) (versus 13 C) (10 −28 M ) T −1 sec −1 ) 100 MHz)
1 H 1 99.985 5.68 × 10 3 — 26.7510 100.0000
2
2 H 1 0.015 8.2 × 10 −3 2.73 × 10 −3 4.1064 15.351
3 1
H — — — 28.5335 160.663
2
3 He 1 0.00014 3.26 ×10 −3 — −20.378 76.178
2
6 Li 1 7.42 3.58 −8 × 10 −4 3.9366 14.716
7 Li 3 2 92.58 1.54 × 10 3 −4.5 × 10 −2 10.3964 38.864
9 Be 3 100 78.8 5.2 × 10 −2 −3.759 14.052
2
10 B 3 19.58 22.1 7.4 × 10 −2 2.8740 10.744
11 B 3 80.42 7.54 × 10 2 3.55 × 10 −2 8.5794 32.072
2
13 1
C 1.108 1.00 — 6.7283 25.145
2
14 −2
N 1 99.63 5.69 1.6 × 10 1.9331 7.226
15 N 1 0.37 2.19 × 10 −2 — −2.7116 10.137
2
17 O 5 2 0.037 6.11 × 10 −2 −2.6 × 10 −2 −3.6264 13.556
19 F 1 100 4.73 × 10 3 — 25.181 94.094
2
21 3 −2 −2
Ne 0.257 3.59 × 10 9 × 10 −2.1118 7.894
2
23 3 2
Na 100 5.25 × 10 0.12 7.0761 26.452
2
25 Mg 5 2 10.13 1.54 0.22 −1.6375 6.122
27 Al 5 100 1.17 × 10 3 0.149 6.9704 26.057
2
29 Si 1 4.70 2.09 — −5.3146 19.867
2
31 1 2
P 100 3.77 × 10 — 10.8289 40.481
2
33 S 3 0.76 9.73 × 10 −2 −5.5 × 10 −2 2.0534 7.676
2
35 Cl 3 2 75.53 20.2 −8.0 × 10 −2 2.6210 9.798
37 Cl 3 24.47 3.8 −6.32 × 10 −2 2.1817 8.156
2
39 3 −2
K 93.1 2.69 5.5 × 10 1.2483 4.666
2
40 K 4 0.012 3.52 × 10 −3 (−) c −1.552 5.801
41 3 −2 −2
K 6.88 3.28 × 10 6.7 × 10 0.6851 2.561
2
43 Ca 7 0.145 5.27 × 10 −2 −0.05 −1.8001 6.729
2
45 Sc 7 100 1.71 × 10 3 −0.22 6.4982 24.292
2
47 Ti 5 7.28 0.864 0.29 ±1.5084 5.639
2
49 7
Ti 5.51 1.18 0.24 ±1.5080 5.638
2
50
V 6 0.24 0.755 ±0.21 2.6491 9.970
51 7 3 −2
V 99.76 2.15 × 10 −5.2 × 10 7.0362 26.303
2
53 Cr 3 2 9.55 0.49 ±3 × 10 −2 −1.5120 5.652
55 Mn 5 100 9.94 × 10 2 0.55 6.6195 24.745
2
57 Fe 1 2.19 4.2 × 10 −3 — 0.8661 3.238
2
59 7 3
Co 100 1.57 × 10 0.40 6.3472 23.727
2
61 Ni 3 1.19 0.24 0.16 −2.3904 8.936
2
63 Cu 3 2 69.09 3.65 × 10 2 −0.211 7.0965 26.528
65 Cu 3 30.91 2.01 × 10 2 −0.195 7.6018 28.417
2
67 5
Zn 4.11 0.665 0.15 1.6737 6.257
2
69 3 2
Ga 60.4 2.37 × 10 0.178 6.420 24.001
2
71 Ga 3 2 39.6 3.19 × 10 2 0.112 8.158 30.497
73 Ge 9 7.76 0.617 −0.2 −9.331 3.488
2
75 As 3 100 1.43 × 10 2 0.3 4.5804 17.123
2
77 1
Se 7.58 2.98 — 5.1018 19.072
2
79 Br 3 50.54 2.26 × 10 2 0.33 6.7023 25.054
2
(continues)