Isotopes of Iron (Z=26)
Click on an
isotope to get more information about its decay
| Isotope
|
Half-life
|
Spin Parity
|
Decay
Mode(s) or Abundance |
| 45Fe
|
|
|
|
| 46Fe
|
20 ms |
0+ |
%EC=100, %ECP=? |
| 47Fe
|
27 ms |
|
%EC+%B+=100, %ECP=? |
| 48Fe
|
44 ms |
0+ |
%EC+%B+=100, %ECP > 3.6 11 |
| 49Fe
|
70 ms |
(7/2-) |
%EC+%B+=100, %ECP > 62 |
| 50Fe
|
150 ms |
0+ |
%EC+%B+=100, %B+P ~ 0 |
| 51Fe
|
305 ms |
5/2- |
%EC+%B+=100 |
| 52Fe
|
8.275 h |
0+ |
%EC+%B+=100 |
| 52m1Fe |
45.9 s |
(12+) |
%EC+%B+=100 |
| 53Fe
|
8.51 m |
7/2- |
%EC+%B+=100 |
| 53m1Fe |
2.58 m |
19/2- |
%IT=100 |
| 54Fe
|
stable |
0+ |
%Abundance=5.8 1 |
| 55Fe
|
2.73 y |
3/2- |
%EC=100 |
| 56Fe
|
stable |
0+ |
%Abundance=91.72 30 |
| 57Fe
|
stable |
1/2- |
%Abundance=2.2 1 |
| 58Fe
|
stable |
0+ |
%Abundance=0.28 1 |
| 59Fe
|
44.503 d |
3/2- |
%B-=100 |
| 60Fe
|
1.5e+6 y |
0+ |
%B-=100 |
| 61Fe
|
5.98 m |
3/2-,5/2- |
%B-=100 |
| 62Fe
|
68 s |
0+ |
%B-=100 |
| 63Fe
|
6.1 s |
(5/2)- |
%B-=100 |
| 64Fe
|
2.0 s |
0+ |
%B-=100 |
| 65Fe
|
0.4 s |
|
%B-=100 |
| 66Fe
|
440 ms |
0+ |
%B-=100 |
| 67Fe
|
470 ms |
(1/2-) |
%B-=100, %B-N=1.1 sys |
| 68Fe
|
0.10 s |
0+ |
%B-=100 |
| 69Fe
|
170 ms |
(1/2-) |
%B-=100, %B-N=6.9 sys |
| 70Fe
|
|
0+ |
%B-=? |
| 71Fe
|
|
(7/2+) |
%B-=? |
| 72Fe
|
|
0+ |
%B-=? |
Isotope Explorer Nuclear Structure and Decay
Data
8th Edition of
the Table of Isotopes
Isotopes
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Lawrence Berkeley
National Laboratory
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