Seaborgium Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
258Sg | 258.11317 (45) |
| 3.3 | ms | 105,420 (410) | 7,341 (2) | SF | ? |
259Sg | 259.11450 (19) |
| 580 | ms | 106,660 (180) | 7,339 (1) | A | 90 10 |
260Sg | 260.114422 (42) |
| 3.8 | ms | 106,583 (39) | 7,342.4 (1.5) | SF | 60 30 |
261Sg | 261.11612 (14) |
| 230 | ms | 108,160 (120) | 7,339 (0) | A~100 |
|
262Sg | 262.11640 (30) |
| 8 | ms | 108,420 (280) | 7,341 (1) | SF | ? |
263Sg | 263.11832 (13) |
| 1 | s | 110,220 (120) | 7,337 (0) | A>70 |
|
264Sg | 264.11893 (30) |
| 400 | ms | 110,780 (280) | 7,338 (1) | A ? |
|
265Sg | 265.121115 (62) |
| 8 | s | 112,818 (58) | 7,332.7 (2.2) | A>50 |
|
266Sg | 266.12207 (31) |
| 21 | s | 113,700 (280) | 7,332 (1) | A | 34 9 |
267Sg | 267.12443 (29) |
| 19 | ms | 115,900 (270) | 7,327 (1) | A | 100 |
268Sg | 268.12561 (58) |
| 30 | s | 117,000 (540) | 7,325 (2) | A ? |
|
269Sg | 269.12876 (70) |
| 35 | s | 119,930 (660) | 7,317 (2) | A<100 |
|
270Sg | 270.13033 (66) |
| 10 | m | 121,400 (620) | 7,315 (2) | A ? |
|
271Sg | 271.13347 (70) |
| 2 | h | 124,330 (650) | 7,307 (2) | A ? |
|
272Sg | 272.13516 (82) |
| 1 | h | 125,900 (770) | 7,304 (3) | A ? |
|
273Sg | 273.13822 (71) |
| 1 | m | 128,750 (660) | 7,296 (2) | SF ? |
|
263mSg | 263.11832 (13) |
| 120 | ms | 110,220 (120) | 7,337 (0) | A | ? |
261mSg | 261.11612 (14) |
|
|
| 108,160 (120) | 7,339 (0) | 0 |
|
265mSg | 265.121115 (62) |
|
|
| 112,818 (58) | 7,332.7 (2.2) | 0 |
|
261m1Sg | 261.11612 (14) |
|
|
| 108,160 (120) | 7,339 (0) | 0 |
Data Source: ENSDF March 2005
©Radiochemistry Society 2005