Isotopes Sorted by Larmor Frequency
Isotopes are sorted in order of decreasing gamma value. Frequencies are shown in MHz for each magnetic field in NMR magnets at the MagLab.
| Tesla |
4.70 |
7.05 |
9.40 |
11.7 |
14.1 |
16.9 |
17.6 |
19.6 |
21.2 |
25.0 |
| MHz |
200 |
300 |
400 |
500 |
600 |
720 |
750 |
830 |
900 |
1064 |
| 3H |
213 |
320 |
427 |
533 |
640 |
768 |
800 |
885 |
960 |
1135 |
| 1H |
200 |
300 |
400 |
500 |
600 |
720 |
750 |
830 |
900 |
1064 |
| 19F |
188 |
282 |
376 |
470 |
564 |
677 |
706 |
781 |
847 |
1001 |
| 3He |
152 |
229 |
305 |
381 |
457 |
548 |
571 |
632 |
686 |
810.5 |
| 205Tl |
115 |
173 |
231 |
289 |
346 |
415 |
433 |
479 |
519 |
614 |
| 203Tl |
114 |
171 |
229 |
286 |
343 |
411 |
429 |
474 |
514 |
608.1 |
| 31P |
81 |
121 |
162 |
202 |
243 |
291 |
304 |
336 |
364 |
430.7 |
| 7Li |
77.7 |
117 |
155 |
194 |
233 |
280 |
291 |
323 |
350 |
413.5 |
| 119Sn |
74.5 |
112 |
149 |
186 |
224 |
268 |
280 |
309 |
335 |
396.6 |
| 117Sn |
71.3 |
107 |
143 |
178 |
214 |
257 |
267 |
296 |
321 |
379.1 |
| 87Rb |
65.4 |
98.2 |
131 |
164 |
196 |
236 |
245 |
272 |
294 |
348.2 |
| 115Sn |
65.4 |
98.1 |
131 |
163 |
196 |
235 |
245 |
271 |
294 |
347.9 |
| 11B |
64.2 |
96.3 |
128 |
160 |
193 |
231 |
241 |
266 |
289 |
341.4 |
| 125Te |
63.2 |
94.8 |
126 |
158 |
190 |
227 |
237 |
262 |
284 |
336.2 |
| 71Ga |
61 |
91.5 |
122 |
152 |
183 |
220 |
229 |
253 |
274 |
324.5 |
| 141Pr |
58.6 |
87.9 |
117 |
146 |
176 |
211 |
220 |
243 |
264 |
311.7 |
| 65Cu |
56.8 |
85.2 |
114 |
142 |
170 |
204 |
213 |
236 |
256 |
302.1 |
| 129Xe |
55.3 |
83 |
111 |
138 |
166 |
199 |
207 |
230 |
249 |
294.3 |
| 81Br |
54 |
81 |
108 |
135 |
162 |
194 |
203 |
224 |
243 |
287.3 |
| 63Cu |
53 |
79.5 |
106 |
133 |
159 |
191 |
199 |
220 |
239 |
282 |
| 23Na |
52.9 |
79.4 |
106 |
132 |
159 |
190 |
198 |
220 |
238 |
281.4 |
| 51V |
52.6 |
78.9 |
105 |
131 |
158 |
189 |
197 |
218 |
237 |
279.7 |
| 123Te |
52.4 |
78.6 |
105 |
131 |
157 |
189 |
197 |
218 |
236 |
278.8 |
| 27Al |
52.1 |
78.2 |
104 |
130 |
156 |
188 |
195 |
216 |
235 |
277.3 |
| 13C |
50.3 |
75.4 |
101 |
126 |
151 |
181 |
189 |
209 |
226 |
267.5 |
| 79Br |
50.1 |
75.2 |
100 |
125 |
150 |
180 |
188 |
208 |
225 |
266.6 |
| 151Eu |
49.6 |
74.4 |
99.2 |
124 |
149 |
179 |
186 |
206 |
223 |
263.9 |
| 55Mn |
49.3 |
74 |
98.7 |
123 |
148 |
178 |
185 |
205 |
222 |
262.4 |
| 93Nb |
48.9 |
73.3 |
97.8 |
122 |
147 |
176 |
183 |
203 |
220 |
260.1 |
| 45Sc |
48.6 |
72.9 |
97.2 |
121 |
146 |
175 |
182 |
202 |
219 |
258.5 |
| 69Ga |
48 |
72 |
96 |
120 |
144 |
173 |
180 |
199 |
216 |
255.4 |
| 121Sb |
47.9 |
71.8 |
95.7 |
120 |
144 |
172 |
179 |
199 |
215 |
254.6 |
| 59Co |
47.2 |
70.8 |
94.5 |
118 |
142 |
170 |
177 |
196 |
213 |
251.3 |
| 187Re |
45.5 |
68.2 |
91 |
114 |
136 |
164 |
171 |
189 |
205 |
242 |
| 159Tb |
45.4 |
68 |
90.7 |
113 |
136 |
163 |
170 |
188 |
204 |
241.3 |
| 185Re |
45 |
67.5 |
90.1 |
113 |
135 |
162 |
169 |
187 |
203 |
239.5 |
| 113Cd |
44.4 |
66.5 |
88.7 |
111 |
133 |
160 |
166 |
184 |
200 |
236 |
| 115In |
43.8 |
65.7 |
87.7 |
110 |
131 |
158 |
164 |
182 |
197 |
233.2 |
| 113In |
43.7 |
65.6 |
87.5 |
109 |
131 |
157 |
164 |
181 |
197 |
232.7 |
| 195Pt |
43 |
64.5 |
86 |
107 |
129 |
155 |
161 |
178 |
193 |
228.7 |
| 111Cd |
42.4 |
63.6 |
84.8 |
106 |
127 |
153 |
159 |
176 |
191 |
225.6 |
| 207Pb |
41.8 |
62.8 |
83.7 |
105 |
126 |
151 |
157 |
174 |
188 |
222.6 |
| 165Ho |
41 |
61.5 |
82.1 |
103 |
123 |
148 |
154 |
170 |
185 |
218.3 |
| 127I |
40 |
60 |
80 |
100 |
120 |
144 |
150 |
166 |
180 |
212.9 |
| 29Si |
39.7 |
59.6 |
79.5 |
99.3 |
119 |
143 |
149 |
165 |
179 |
211.4 |
| 77Se |
38.1 |
57.2 |
76.3 |
95.3 |
114 |
137 |
143 |
158 |
172 |
202.9 |
| 199Hg |
35.7 |
53.5 |
71.3 |
89.1 |
107 |
128 |
134 |
148 |
160 |
189.7 |
| 171Yb |
35.2 |
52.8 |
70.5 |
88.1 |
106 |
127 |
132 |
146 |
159 |
187.4 |
| 75As |
34.3 |
51.4 |
68.5 |
85.6 |
103 |
123 |
128 |
142 |
154 |
182.2 |
| 209Bi |
32.1 |
48.2 |
64.3 |
80.3 |
96.4 |
116 |
121 |
133 |
145 |
171 |
| 2H |
30.7 |
46.1 |
61.4 |
76.8 |
92.1 |
111 |
115 |
127 |
138 |
163.3 |
| 6Li |
29.4 |
44.1 |
58.9 |
73.6 |
88.3 |
106 |
110 |
122 |
132 |
156.6 |
| 139La |
28.3 |
42.4 |
56.5 |
70.6 |
84.8 |
102 |
106 |
117 |
127 |
150.3 |
| 9Be |
28.1 |
42.2 |
56.2 |
70.3 |
84.3 |
101 |
105 |
117 |
126 |
149.5 |
| 17O |
27.1 |
40.7 |
54.2 |
67.8 |
81.3 |
97.6 |
102 |
113 |
122 |
144.2 |
| 138La |
26.4 |
39.6 |
52.8 |
66 |
79.2 |
95 |
98.9 |
110 |
119 |
140.4 |
| 133Cs |
26.2 |
39.4 |
52.5 |
65.6 |
78.7 |
94.4 |
98.4 |
109 |
118 |
139.6 |
| 123Sb |
25.9 |
38.9 |
51.8 |
64.8 |
77.8 |
93.3 |
97.2 |
108 |
117 |
137.9 |
| 181Ta |
23.9 |
35.9 |
47.9 |
59.9 |
71.8 |
86.2 |
89.8 |
99.4 |
108 |
127.4 |
| 175Lu |
22.8 |
34.2 |
45.6 |
57 |
68.4 |
82.1 |
85.6 |
94.7 |
103 |
121.4 |
| 137Ba |
22.2 |
33.3 |
44.5 |
55.6 |
66.7 |
80 |
83.3 |
92.2 |
100 |
118.2 |
| 153Eu |
21.9 |
32.9 |
43.8 |
54.8 |
65.7 |
78.8 |
82.1 |
90.9 |
98.6 |
116.5 |
| 10B |
21.5 |
32.2 |
43 |
53.7 |
64.5 |
77.4 |
80.6 |
89.2 |
96.7 |
114.3 |
| 15N |
20.3 |
30.4 |
40.5 |
50.7 |
60.8 |
73 |
76 |
84.1 |
91.2 |
107.8 |
| 50V |
19.9 |
29.9 |
39.9 |
49.9 |
59.8 |
71.8 |
74.8 |
82.8 |
89.7 |
106.1 |
| 135Ba |
19.9 |
29.8 |
39.7 |
49.7 |
59.6 |
71.5 |
74.5 |
82.5 |
89.4 |
105.7 |
| 35Cl |
19.6 |
29.4 |
39.2 |
49 |
58.8 |
70.5 |
73.5 |
81.3 |
88.2 |
104.3 |
| 85Rb |
19.3 |
29 |
38.6 |
48.3 |
57.9 |
69.5 |
72.4 |
80.1 |
86.9 |
102.7 |
| 91Zr |
18.7 |
28 |
37.3 |
46.7 |
56 |
67.2 |
70 |
77.4 |
84 |
99.27 |
| 61Ni |
17.9 |
26.8 |
35.7 |
44.7 |
53.6 |
64.3 |
67 |
74.2 |
80.4 |
95.08 |
| 169Tm |
16.5 |
24.8 |
33.1 |
41.4 |
49.6 |
59.6 |
62 |
68.7 |
74.4 |
88.01 |
| 131Xe |
16.4 |
24.6 |
32.8 |
41 |
49.2 |
59 |
61.5 |
68.1 |
73.8 |
87.24 |
| 37Cl |
16.3 |
24.5 |
32.6 |
40.8 |
48.9 |
58.7 |
61.2 |
67.7 |
73.4 |
86.78 |
| 176Lu |
15.9 |
23.8 |
31.7 |
39.6 |
47.6 |
57.1 |
59.5 |
65.8 |
71.4 |
84.36 |
| 21Ne |
15.8 |
23.7 |
31.6 |
39.5 |
47.4 |
56.8 |
59.2 |
65.5 |
71 |
84 |
| 189Os |
15.5 |
23.3 |
31 |
38.8 |
46.6 |
55.9 |
58.2 |
64.4 |
69.8 |
82.55 |
| 33S |
15.3 |
23 |
30.7 |
38.3 |
46 |
55.2 |
57.5 |
63.7 |
69 |
81.61 |
| 14N |
14.4 |
21.7 |
28.9 |
36.1 |
43.3 |
52 |
54.2 |
60 |
65 |
76.86 |
| 43Ca |
13.5 |
20.2 |
26.9 |
33.6 |
40.4 |
48.4 |
50.5 |
55.8 |
60.6 |
71.59 |
| 97Mo |
13.3 |
20 |
26.6 |
33.3 |
39.9 |
47.9 |
49.9 |
55.2 |
59.9 |
70.78 |
| 201Hg |
13.2 |
19.8 |
26.4 |
33 |
39.6 |
47.5 |
49.5 |
54.8 |
59.4 |
70.22 |
| 95Mo |
13 |
19.5 |
26.1 |
32.6 |
39.1 |
46.9 |
48.9 |
54.1 |
58.6 |
69.32 |
| 67Zn |
12.5 |
18.8 |
25 |
31.3 |
37.5 |
45 |
46.9 |
51.9 |
56.3 |
66.54 |
| 25Mg |
12.2 |
18.4 |
24.5 |
30.6 |
36.7 |
44.1 |
45.9 |
50.8 |
55.1 |
65.11 |
| 53Cr |
11.3 |
17 |
22.6 |
28.3 |
33.9 |
40.7 |
42.4 |
46.9 |
50.9 |
60.14 |
| 49Ti |
11.3 |
16.9 |
22.6 |
28.2 |
33.8 |
40.6 |
42.3 |
46.8 |
50.7 |
59.99 |
| 47Ti |
11.3 |
16.9 |
22.5 |
28.2 |
33.8 |
40.6 |
42.3 |
46.8 |
50.7 |
59.97 |
| 143Nd |
10.9 |
16.3 |
21.8 |
27.2 |
32.6 |
39.2 |
40.8 |
45.1 |
48.9 |
57.86 |
| 101Ru |
9.88 |
14.8 |
19.8 |
24.7 |
29.6 |
35.6 |
37.1 |
41 |
44.5 |
52.58 |
| 89Y |
9.8 |
14.7 |
19.6 |
24.5 |
29.4 |
35.3 |
36.7 |
40.7 |
44.1 |
52.13 |
| 173Yb |
9.7 |
14.6 |
19.4 |
24.3 |
29.1 |
34.9 |
36.4 |
40.3 |
43.7 |
51.63 |
| 157Gd |
9.55 |
14.3 |
19.1 |
23.9 |
28.6 |
34.4 |
35.8 |
39.6 |
43 |
50.8 |
| 39K |
9.33 |
14 |
18.7 |
23.3 |
28 |
33.6 |
35 |
38.7 |
42 |
49.65 |
| 109Ag |
9.3 |
14 |
18.6 |
23.3 |
27.9 |
33.5 |
34.9 |
38.6 |
41.9 |
49.5 |
| 163Dy |
9.17 |
13.8 |
18.3 |
22.9 |
27.5 |
33 |
34.4 |
38 |
41.3 |
48.77 |
| 105Pd |
9.15 |
13.7 |
18.3 |
22.9 |
27.5 |
32.9 |
34.3 |
38 |
41.2 |
48.69 |
| 87Sr |
8.67 |
13 |
17.3 |
21.7 |
26 |
31.2 |
32.5 |
36 |
39 |
46.11 |
| 183W |
8.32 |
12.5 |
16.6 |
20.8 |
25 |
30 |
31.2 |
34.5 |
37.4 |
44.27 |
| 147Sm |
8.26 |
12.4 |
16.5 |
20.6 |
24.8 |
29.7 |
31 |
34.3 |
37.2 |
43.92 |
| 107Ag |
8.09 |
12.1 |
16.2 |
20.2 |
24.3 |
29.1 |
30.3 |
33.6 |
36.4 |
43.05 |
| 83Kr |
7.7 |
11.5 |
15.4 |
19.2 |
23.1 |
27.7 |
28.9 |
31.9 |
34.6 |
40.94 |
| 155Gd |
7.64 |
11.5 |
15.3 |
19.1 |
22.9 |
27.5 |
28.6 |
31.7 |
34.4 |
40.64 |
| 73Ge |
6.98 |
10.5 |
14 |
17.4 |
20.9 |
25.1 |
26.2 |
29 |
31.4 |
37.12 |
| 99Ru |
6.78 |
10.2 |
13.6 |
16.9 |
20.3 |
24.4 |
25.4 |
28.1 |
30.5 |
36.07 |
| 145Nd |
6.69 |
10 |
13.4 |
16.7 |
20.1 |
24.1 |
25.1 |
27.8 |
30.1 |
35.59 |
| 161Dy |
6.59 |
9.88 |
13.2 |
16.5 |
19.8 |
23.7 |
24.7 |
27.3 |
29.6 |
35.05 |
| 149Sm |
6.58 |
9.87 |
13.2 |
16.4 |
19.7 |
23.7 |
24.7 |
27.3 |
29.6 |
35 |
nuclei/nuclei/
| 57Fe |
6.46 |
9.69 |
12.9 |
16.2 |
19.4 |
23.3 |
24.2 |
26.8 |
29.1 |
34.38 |
| 103Rh |
6.29 |
9.44 |
12.6 |
15.7 |
18.9 |
22.7 |
23.6 |
26.1 |
28.3 |
33.49 |
| 177Hf |
6.24 |
9.36 |
12.5 |
15.6 |
18.7 |
22.5 |
23.4 |
25.9 |
28.1 |
33.2 |
| 167Er |
5.78 |
8.67 |
11.6 |
14.5 |
17.3 |
20.8 |
21.7 |
24 |
26 |
30.75 |
| 41K |
5.12 |
7.68 |
10.2 |
12.8 |
15.4 |
18.4 |
19.2 |
21.3 |
23.1 |
27.25 |
| 187Os |
4.61 |
6.91 |
9.21 |
11.5 |
13.8 |
16.6 |
17.3 |
19.1 |
20.7 |
24.5 |
| 193Ir |
3.74 |
5.61 |
7.49 |
9.36 |
11.2 |
13.5 |
14 |
15.5 |
16.8 |
19.91 |
| 179Hf |
3.74 |
5.61 |
7.48 |
9.35 |
11.2 |
13.5 |
14 |
15.5 |
16.8 |
19.89 |
| 235U |
3.58 |
5.37 |
7.16 |
8.95 |
10.7 |
12.9 |
13.4 |
14.9 |
16.1 |
19.05 |
| 191Ir |
3.44 |
5.16 |
6.87 |
8.59 |
10.3 |
12.4 |
12.9 |
14.3 |
15.5 |
18.29 |
| 197Au |
3.43 |
5.14 |
6.85 |
8.56 |
10.3 |
12.3 |
12.8 |
14.2 |
15.4 |
18.22 |
| Tesla |
4.70 |
7.05 |
9.40 |
11.7 |
14.1 |
16.9 |
17.6 |
19.6 |
21.2 |
25.0 |
| MHz |
200 |
300 |
400 |
500 |
600 |
720 |
750 |
830 |
900 |
1064 |