Chromium Isotopic Data
Isotope |
Isotopic Mass amu |
% Abundance |
T1/2 |
T1/2 Units |
Mass Excess KeV |
Binding Energy Per Nucleon KeV |
Decay Mode |
Branching Ratio |
42Cr | 42.00643 (32) |
| 14 | ms | 5,990 (300) | 7,482 (7) | B+~100 |
|
43Cr | 42.99771 (24) |
| 21.6 | ms | -2,130 (220) | 7,684 (5) | B+ | 100 |
44Cr | 43.985549 (54) |
| 54 | ms | -13,461 (50) | 7,951 (1) | B+ | 100 |
45Cr | 44.97964 (54) |
| 50 | ms | -18,970 (500) | 8,080 (11) | B+ | 100 |
46Cr | 45.968359 (21) |
| 260 | ms | -29,474 (20) | 8,303.9 (4.4) | B+ | 100 |
47Cr | 46.962900 (15) |
| 500 | ms | -34,558 (14) | 8,407.1 (3) | B+ | 100 |
48Cr | 47.9540317 (79) |
| 21.56 | h | -42,819.2 (7.4) | 8,572.2 (1.5) | B+ | 100 |
49Cr | 48.9513357 (26) |
| 42.3 | m | -45,330.5 (2.4) | 8,613.24 (4.9) | B+ | 100 |
50Cr | 49.9460442 (11) | 4.345 (13) | stable |
| -50,259.5 (1) | 8,700.98 (2) |
|
|
51Cr | 50.9447674 (11) |
| 27.7025 | d | -51,448.8 (1) | 8,711.95 (2) | EC | 100 |
52Cr | 51.94050747 (84) | 83.789 (18) | stable |
| -55,416.93 (78) | 8,775.94 (1.5) |
|
|
53Cr | 52.94064939 (83) | 9.501 (17) | stable |
| -55,284.74 (77) | 8,760.16 (1.5) |
|
|
54Cr | 53.93888040 (82) | 2.365 (7) | stable |
| -56,932.55 (76) | 8,777.91 (1.4) |
|
|
55Cr | 54.94083967 (84) |
| 3.497 | m | -55,107.49 (79) | 8,731.88 (1.4) | B- | 100 |
56Cr | 55.9406531 (20) |
| 5.94 | m | -55,281.2 (1.9) | 8,723.19 (3.3) | B- | 100 |
57Cr | 56.9436130 (20) |
| 21.1 | s | -52,524.1 (1.9) | 8,663.38 (3.3) | B- | 100 |
58Cr | 57.94435 (22) |
| 7 | s | -51,830 (200) | 8,641 (3.5) | B- | 100 |
59Cr | 58.94859 (26) |
| 460 | ms | -47,890 (240) | 8,565 (4.1) | B- | 100 |
60Cr | 59.95008 (23) |
| 560 | ms | -46,500 (210) | 8,533 (3.6) | B- | 100 |
61Cr | 60.95472 (27) |
| 261 | ms | -42,180 (250) | 8,455 (4.2) | B- | 100 |
62Cr | 61.95661 (36) |
| 199 | ms | -40,410 (340) | 8,420 (5.4) | B- | 100 |
63Cr | 62.96186 (32) |
| 129 | ms | -35,530 (300) | 8,337 (5) | B- | 100 |
64Cr | 63.96441 (43) |
| 43 | ms | -33,150 (400) | 8,296 (6) | B- | 100 |
65Cr | 64.97016 (54) |
| 27 | ms | -27,800 (500) | 8,210 (8) | B- | 100 |
66Cr | 65.97338 (64) |
| 10 | ms | -24,800 (600) | 8,163 (9) | B- | 100 |
67Cr | 66.97955 (75) |
| 10 | ms | -19,050 (700) | 8,080 (10) | B- ? |
|
45mCr | 44.97964 (54) |
| 1 | ms | -18,970 (500) | 8,080 (11) | IT ? |
|
59mCr | 58.94859 (26) |
| 96 | us | -47,890 (240) | 8,565 (4.1) | IT | 100 |
Data Source: ENSDF March 2005
©Radiochemistry Society 2005