Mercury Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
171Hg | 171.00376 (32) |
| 80 | us | 3,500 (300) | 7,685 (2) | A~100 |
|
172Hg | 171.99883 (22) |
| 420 | us | -1,090 (210) | 7,714 (1.2) | A | 100 |
173Hg | 172.99724 (22) |
| 1.1 | ms | -2,570 (210) | 7,724 (1) | A | 100 |
174Hg | 173.992864 (21) |
| 2 | ms | -6,647 (20) | 7,749.8 (1.1) | A~100 |
|
175Hg | 174.99142 (11) |
| 10.8 | ms | -7,990 (100) | 7,759.3 (5.8) | A | ? |
176Hg | 175.987355 (15) |
| 20.4 | ms | -11,779 (14) | 7,782.63 (8.1) | A | 90 9 |
177Hg | 176.986279 (81) |
| 127.3 | ms | -12,781 (75) | 7,789.9 (4.2) | A | 85 |
178Hg | 177.982483 (14) |
| 269 | ms | -16,317 (13) | 7,811.37 (7.2) | A | ? |
179Hg | 178.981834 (29) |
| 1.09 | s | -16,922 (27) | 7,816.2 (1.5) | A~53 |
|
180Hg | 179.978266 (15) |
| 2.56 | s | -20,245 (14) | 7,836.08 (7.8) | B+ | 52 4 |
181Hg | 180.977819 (17) |
| 3.6 | s | -20,661 (15) | 7,839.68 (8.5) | B+ | 69 5 |
182Hg | 181.974690 (10) |
| 10.83 | s | -23,576.1 (9.7) | 7,856.97 (5.3) | B+ | 86.2 9 |
183Hg | 182.9744498 (88) |
| 9.4 | s | -23,799.8 (8.2) | 7,859.36 (4.5) | B+ | 88.3 20 |
184Hg | 183.971713 (11) |
| 30.6 | s | -26,349 (10) | 7,874.37 (5.5) | B+ | 98.89 6 |
185Hg | 184.971899 (17) |
| 49.1 | s | -26,176 (16) | 7,874.50 (8.4) | B+ | 94 1 |
186Hg | 185.969362 (12) |
| 1.38 | m | -28,539 (11) | 7,888.26 (6) | B+~100 |
|
187Hg | 186.969814 (15) |
| 1.9 | m | -28,118 (14) | 7,886.99 (7.4) | B+ | 100 |
188Hg | 187.967577 (12) |
| 3.25 | m | -30,202 (12) | 7,899.05 (6.1) | B+ | 100 |
189Hg | 188.968190 (36) |
| 7.6 | m | -29,631 (33) | 7,896.9 (1.8) | B+ | 100 |
190Hg | 189.966322 (17) |
| 20 | m | -31,370 (16) | 7,907.02 (8.4) | EC~100 | |
191Hg | 190.967157 (24) |
| 49 | m | -30,593 (23) | 7,903.8 (1.2) | B+ | 100 |
192Hg | 191.965634 (17) |
| 4.85 | h | -32,011 (16) | 7,912.07 (8.1) | EC | 100 |
193Hg | 192.966665 (17) |
| 3.8 | h | -31,051 (15) | 7,907.91 (8) | B+ | 100 |
194Hg | 193.965439 (13) |
| 440 | y | -32,193 (13) | 7,914.64 (6.5) | EC | 100 |
195Hg | 194.966720 (25) |
| 10.53 | h | -31,000 (23) | 7,909.3 (1.2) | B+ | 100 |
196Hg | 195.9658326 (32) | 0.15 (1) | stable |
| -31,826.7 (2.9) | 7,914.37 (1.5) |
|
|
197Hg | 196.9672129 (34) |
| 64.94 | h | -30,541.0 (3.2) | 7,908.64 (1.6) | EC | 100 |
198Hg | 197.96676903 (36) | 9.97 (20) | stable |
| -30,954.45 (34) | 7,911.553 (2) |
|
|
199Hg | 198.96827993 (39) | 16.87 (22) | stable |
| -29,547.05 (36) | 7,905.284 (2) |
|
|
200Hg | 199.96832600 (41) | 23.10 (19) | stable |
| -29,504.14 (38) | 7,905.899 (2) |
|
|
201Hg | 200.97030227 (64) | 13.18 (9) | stable |
| -27,663.26 (60) | 7,897.564 (3) |
|
|
202Hg | 201.97064301 (63) | 29.86 (26) | stable |
| -27,345.86 (59) | 7,896.852 (3) |
|
|
203Hg | 202.9728725 (18) |
| 46.612 | d | -25,269.1 (1.7) | 7,887.482 (8) | B- | 100 |
204Hg | 203.97349393 (36) | 6.87 (15) | stable |
| -24,690.24 (34) | 7,885.545 (2) |
|
|
205Hg | 204.9760734 (39) |
| 5.2 | m | -22,287.5 (3.6) | 7,874.73 (1.8) | B- | 100 |
206Hg | 205.977514 (22) |
| 8.15 | m | -20,946 (20) | 7,869.17 (9.9) | B- | 100 |
207Hg | 206.98259 (16) |
| 2.9 | m | -16,220 (150) | 7,847.3 (7.2) | B- | 100 |
208Hg | 207.98594 (32) |
| 42 | m | -13,100 (300) | 7,833 (1) | B- | 100 |
209Hg | 208.99104 (21) |
| 37 | s | -8,350 (200) | 7,812 (1) | B- | 100 |
210Hg | 209.99451 (32) |
| 10 | m | -5,110 (300) | 7,798 (1) | B- ? |
|
183mHg | 182.9744498 (88) |
| 5 | s | -23,799.8 (8.2) | 7,859.36 (4.5) | B+ ? |
|
185mHg | 184.971899 (17) |
| 21.6 | s | -26,176 (16) | 7,874.50 (8.4) | IT | 54 10 |
186mHg | 185.969362 (12) |
| 82 | us | -28,539 (11) | 7,888.26 (6) | IT | 100 |
187mHg | 186.969814 (15) |
| 2.4 | m | -28,118 (14) | 7,886.99 (7.4) | B+ | 100 |
188mHg | 187.967577 (12) |
| 134 | ns | -30,202 (12) | 7,899.05 (6.1) | IT | 100 |
189mHg | 188.968190 (36) |
| 8.6 | m | -29,631 (33) | 7,896.9 (1.8) | B+ | 100 |
191mHg | 190.967157 (24) |
| 50.8 | m | -30,593 (23) | 7,903.8 (1.2) | B+ | 100 |
193mHg | 192.966665 (17) |
| 11.8 | h | -31,051 (15) | 7,907.91 (8) | B+ | 92.8 5 |
195mHg | 194.966720 (25) |
| 41.6 | h | -31,000 (23) | 7,909.3 (1.2) | IT | 54.2 20 |
197mHg | 196.9672129 (34) |
| 23.8 | h | -30,541.0 (3.2) | 7,908.64 (1.6) | IT | 91.4 7 |
199mHg | 198.96827993 (39) |
| 42.66 | m | -29,547.05 (36) | 7,905.284 (2) | IT | 100 |
201mHg | 200.97030227 (64) |
| 94 | us | -27,663.26 (60) | 7,897.564 (3) | 0 |
|
203mHg | 202.9728725 (18) |
| 24 | us | -25,269.1 (1.7) | 7,887.482 (8) | 0 |
|
205mHg | 204.9760734 (39) |
| 1.1 | ms | -22,287.5 (3.6) | 7,874.73 (1.8) | IT | 100 |
181mHg | 180.977819 (17) |
|
|
| -20,661 (15) | 7,839.68 (8.5) | 0 |
|
183m1Hg | 182.9744498 (88) |
|
|
| -23,799.8 (8.2) | 7,859.36 (4.5) | 0 |
|
Data Source: ENSDF March 2005
©Radiochemistry Society 2005