Rutherfordium Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
253Rf | 253.10069 (49) |
| 13 | ms | 93,790 (450) | 7,379 (2) | SF~50 |
|
254Rf | 254.10018 (31) |
| 23 | us | 93,320 (280) | 7,384 (1) | SF | ? |
255Rf | 255.10134 (19) |
| 1.64 | s | 94,400 (180) | 7,382 (1) | A | ? |
256Rf | 256.101166 (26) |
| 6.45 | ms | 94,236 (24) | 7,385.38 (9.4) | SF | ? |
257Rf | 257.10299 (11) |
| 4.7 | s | 95,930 (100) | 7,381 (0) | A | ? |
258Rf | 258.10349 (22) |
| 12 | ms | 96,400 (200) | 7,382 (1) | SF | 87 2 |
259Rf | 259.105637 (77) |
| 2.8 | s | 98,400 (72) | 7,377 (0) | A | 92 2 |
260Rf | 260.10644 (22) |
| 21 | ms | 99,150 (200) | 7,377 (1) | SF | ? |
261Rf | 261.108767 (31) |
| 5.5 | s | 101,315 (29) | 7,371.4 (1.1) | A | ? |
262Rf | 262.10993 (30) |
| 2.3 | s | 102,390 (280) | 7,370 (1) | SF~100 |
|
263Rf | 263.11255 (20) |
| 11 | m | 104,840 (180) | 7,363 (1) | SF | ? |
264Rf | 264.11399 (48) |
| 1 | h | 106,180 (450) | 7,361 (2) | A ? |
|
265Rf | 265.11670 (46) |
| 13 | h | 108,710 (420) | 7,354 (2) | A ? |
|
266Rf | 266.11796 (58) |
| 10 | h | 109,880 (540) | 7,352 (2) | A ? |
|
267Rf | 267.12153 (62) |
| 5 | h | 113,200 (580) | 7,343 (2) | A ? |
|
268Rf | 268.12364 (76) |
| 1 | h | 115,170 (710) | 7,338 (3) | A ? |
|
253mRf | 253.10069 (49) |
| 52 | us | 93,790 (450) | 7,379 (2) | SF | ? |
255mRf | 255.10134 (19) |
| 1 | s | 94,400 (180) | 7,382 (1) | A | 100 |
257mRf | 257.10299 (11) |
| 3.9 | s | 95,930 (100) | 7,381 (0) | A~100 |
|
261mRf | 261.108767 (31) |
| 81 | s | 101,315 (29) | 7,371.4 (1.1) | A | |
262mRf | 262.10993 (30) |
| 47 | ms | 102,390 (280) | 7,370 (1) | SF | 100 |
257mRf | 257.10299 (11) |
|
|
| 95,930 (100) | 7,381 (0) | 0 |
|
259mRf | 259.105637 (77) |
|
|
| 98,400 (72) | 7,377 (0) | 0 |
|
261mRf | 261.108767 (31) |
|
|
| 101,315 (29) | 7,371.4 (1.1) | 0 |
|
259m1Rf | 259.105637 (77) |
|
|
| 98,400 (72) | 7,377 (0) | 0 |
|
Data Source: ENSDF March 2005
©Radiochemistry Society 2005