Isotopes of Phosphorus
List of known isotopes of the element Phosphorus.
| Isotope | t½ | % | Spin/parity | Radius | Isotopic mass | Discovery |
|---|---|---|---|---|---|---|
| 25P | 30 ns | syn. | (1/2+) | — | 2.502·107 ±429 keV/c2 | — |
| 26P | 43.7 ±6 ms | syn. | (3)+ | — | 2.601·107 ±210 keV/c2 | 1983 |
| 27P | 260 ±80 ms | syn. | 1/2+ | — | 2.699·107 ±9.662 keV/c2 | 1977 |
| 28P | 270.3 ±5 ms | syn. | 3+ | — | 2.799·107 ±1.231 keV/c2 | 1953 |
| 29P | 4.142 ±15 s | syn. | 1/2+ | — | 2.898·107 ±0.385 keV/c2 | 1941 |
| 30P | 2.498 ±4 m | syn. | 1+ | — | 2.997·107 ±0.069 keV/c2 | 1934 |
| 31P | stab. | 100 % | 1/2+ | 3.188 ±0.0019 fm | 3.097·107 ±8·10-4 keV/c2 | 1920 |
| 32P | 14.26 ±5 d | syn. | 1+ | — | 3.197·107 ±0.042 keV/c2 | 1934 |
| 33P | 25.35 ±11 d | syn. | 1/2+ | — | 3.297·107 ±1.17 keV/c2 | 1951 |
| 34P | 12.43 ±10 s | syn. | 1+ | — | 3.397·107 ±0.87 keV/c2 | 1945 |
| 35P | 47.3 ±8 s | syn. | 1/2+ | — | 3.497·107 ±2.003 keV/c2 | 1971 |
| 36P | 5.6 ±3 s | syn. | 4- | — | 3.597·107 ±14.07 keV/c2 | 1971 |
| 37P | 2.31 ±13 s | syn. | (1/2+) | — | 3.697·107 ±40.73 keV/c2 | 1971 |
| 38P | 0.64 ±14 s | syn. | (2-) | — | 3.798·107 ±77.91 keV/c2 | 1971 |
| 39P | 0.28 ±4 s | syn. | (1/2+) | — | 3.898·107 ±120.9 keV/c2 | 1977 |
| 40P | 150 ±8 ms | syn. | (2- 3-) | — | 3.999·107 ±89.75 keV/c2 | 1979 |
| 41P | 101 ±5 ms | syn. | — | — | 4.099·107 ±129 keV/c2 | 1979 |
| 42P | 48.5 ±15 ms | syn. | — | — | 4.2·107 ±101.9 keV/c2 | 1979 |
| 43P | 36.5 ±15 ms | syn. | 1/2+ | — | 4.3·107 ±322 keV/c2 | 1989 |
| 44P | 18.5 ±25 ms | syn. | — | — | 4.401·107 ±429 keV/c2 | 1989 |
| 45P | 200 ns | syn. | — | — | 4.501·107 ±537 keV/c2 | 1990 |
| 46P | stab. | syn. | — | — | 4.602·107 ±537 keV/c2 | 1990 |
25PPhosphorus-25
| Classification | z: 15; n: 10; m: 25 |
|---|---|
| Half life | 30 ns |
| Natural abundance | synthetic nuclide |
| Spin/parity | (1/2+) |
| Decay modes | proton emission |
| Mass excess | 20,190 ±400 keV |
| Binding energy | 6,794 ±16 keV |
| Single-particle energy | -2,156 ±400 keV |
| Neutron separation energy | 21,900 ±640 keV |
| Q value for electron capture | 16,360 ±400.1 keV |
26PPhosphorus-26
| Classification | z: 15; n: 11; m: 26 |
|---|---|
| Half life | 43.7 ±6 ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | (3)+ |
| Decay modes | electron capture + β⁺ decay; electron capture + proton emission; electron capture with two-proton emission |
| Discovery | 1983 |
| Mass excess | 10,970 ±196 keV |
| Binding energy | 7,198 ±8 keV |
| Single-particle energy | 143 ±196 keV |
| Neutron separation energy | 17,280 ±445 keV |
| Q value for electron capture | 18,110 ±196 keV |
| β⁻ decay energy | -16,710 ±631 keV |
27PPhosphorus-27
| Classification | z: 15; n: 12; m: 27 |
|---|---|
| Half life | 260 ±80 ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1/2+ |
| Decay modes | electron capture + β⁺ decay; β⁺ decay + proton emission |
| Discovery | 1977 |
| Mass excess | -659.1 ±9.001 keV |
| Binding energy | 7,661 ±0.3334 keV |
| Single-particle energy | 807 ±9 keV |
| Neutron separation energy | 19,700 ±196 keV |
| Q value for electron capture | 11,720 ±9.002 keV |
| β⁻ decay energy | -18,150 ±400 keV |
| β⁻ decay energy with neutron | -36,420 ±600 keV |
28PPhosphorus-28
| Classification | z: 15; n: 13; m: 28 |
|---|---|
| Half life | 270.3 ±5 ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | 3+ |
| Decay modes | electron capture + β⁺ decay; electron capture + proton emission; electron capture + α decay |
| Discovery | 1953 |
| Mass excess | -7,148 ±1.147 keV |
| Binding energy | 7,907 ±0.041 keV |
| Single-particle energy | 2,052 ±1.152 keV |
| Neutron separation energy | 14,560 ±9.073 keV |
| Q value for electron capture | 14,340 ±1.147 keV |
| β⁻ decay energy | -11,230 ±160 keV |
| β⁻ decay energy with neutron | -32,710 ±400 keV |
| Magnetic dipole moment | 0.312 ±0.003 μN |
| Electric quadrupole moment | 0.137 ±0.014 b |
29PPhosphorus-29
| Classification | z: 15; n: 14; m: 29 |
|---|---|
| Half life | 4.142 ±15 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1/2+ |
| Decay modes | electron capture + β⁺ decay |
| Discovery | 1941 |
| Mass excess | -16,960 ±0.359 keV |
| Binding energy | 8,251 ±0.0124 keV |
| Single-particle energy | 2,749 ±0.3589 keV |
| Neutron separation energy | 17,870 ±1.202 keV |
| Q value for electron capture | 4,942 ±0.359 keV |
| β⁻ decay energy | -13,860 ±13.04 keV |
| β⁻ decay energy with neutron | -29,100 ±160 keV |
| Magnetic dipole moment | 1.234 ±2.999·10-4 μN |
30PPhosphorus-30
| Classification | z: 15; n: 15; m: 30 |
|---|---|
| Half life | 2.498 ±4 m |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1+ |
| Decay modes | electron capture + β⁺ decay |
| Discovery | 1934 |
| Mass excess | -20,210 ±0.065 keV |
| Binding energy | 8,353 ±0.0022 keV |
| Single-particle energy | 5,594 ±0.0652 keV |
| Neutron separation energy | 11,310 ±0.3648 keV |
| Q value for electron capture | 4,232 ±0.069 keV |
| β⁻ decay energy | -6,142 ±0.1956 keV |
| β⁻ decay energy with neutron | -25,180 ±13.04 keV |
31PPhosphorus-31
| Classification | z: 15; n: 16; m: 31 |
|---|---|
| Half life | stable nuclide |
| Natural abundance | 100 % |
| Spin/parity | 1/2+ |
| Discovery | 1920 |
| Mass excess | -24,450 ±7.5·10-4 keV |
| Binding energy | 8,481 ±2·10-4 keV |
| Single-particle energy | 7,296 ±0.0216 keV |
| Neutron separation energy | 12,310 ±0.0652 keV |
| Q value for electron capture | -1,492 ±0.043 keV |
| β⁻ decay energy | -5,399 ±0.2292 keV |
| β⁻ decay energy with neutron | -18,460 ±0.2062 keV |
| Magnetic dipole moment | 1.13 ±5·10-6 μN |
32PPhosphorus-32
| Classification | z: 15; n: 17; m: 32 |
|---|---|
| Half life | 14.26 ±5 d |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1+ |
| Decay modes | β⁻ decay |
| Discovery | 1934 |
| Mass excess | -24,310 ±0.04 keV |
| Binding energy | 8,464 ±0.0013 keV |
| Single-particle energy | 8,644 ±0.059 keV |
| Neutron separation energy | 7,935 ±0.04 keV |
| Q value for electron capture | -227.2 ±0.301 keV |
| β⁻ decay energy | 1,710 ±0.04 keV |
| β⁻ decay energy with neutron | -13,340 ±0.2327 keV |
| Magnetic dipole moment | -0.2528 ±2·10-4 μN |
33PPhosphorus-33
| Classification | z: 15; n: 18; m: 33 |
|---|---|
| Half life | 25.35 ±11 d |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1/2+ |
| Decay modes | β⁻ decay |
| Discovery | 1951 |
| Mass excess | -26,340 ±1.09 keV |
| Binding energy | 8,513 ±0.033 keV |
| Single-particle energy | 9,548 ±1.13 keV |
| Neutron separation energy | 10,100 ±1.09 keV |
| Q value for electron capture | -5,824 ±1.295 keV |
| β⁻ decay energy | 248.5 ±1.09 keV |
| β⁻ decay energy with neutron | -8,394 ±1.09 keV |
34PPhosphorus-34
| Classification | z: 15; n: 19; m: 34 |
|---|---|
| Half life | 12.43 ±10 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1+ |
| Decay modes | β⁻ decay |
| Discovery | 1945 |
| Mass excess | -24,550 ±0.81 keV |
| Binding energy | 8,448 ±0.0238 keV |
| Single-particle energy | 11,320 ±1.07 keV |
| Neutron separation energy | 6,282 ±1.358 keV |
| Q value for electron capture | -4,558 ±1.139 keV |
| β⁻ decay energy | 5,382 ±0.8116 keV |
| β⁻ decay energy with neutron | -6,035 ±0.8104 keV |
35PPhosphorus-35
| Classification | z: 15; n: 20; m: 35 |
|---|---|
| Half life | 47.3 ±8 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1/2+ |
| Decay modes | β⁻ decay |
| Discovery | 1971 |
| Mass excess | -24,860 ±1.866 keV |
| Binding energy | 8,446 ±0.0533 keV |
| Single-particle energy | 12,150 ±2.031 keV |
| Neutron separation energy | 8,380 ±2.034 keV |
| Q value for electron capture | -10,470 ±35.9 keV |
| β⁻ decay energy | 3,988 ±1.866 keV |
| β⁻ decay energy with neutron | -2,998 ±1.866 keV |
36PPhosphorus-36
| Classification | z: 15; n: 21; m: 36 |
|---|---|
| Half life | 5.6 ±3 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | 4- |
| Decay modes | β⁻ decay |
| Discovery | 1971 |
| Mass excess | -20,260 ±13.11 keV |
| Binding energy | 8,307 ±0.3643 keV |
| Single-particle energy | 13,140 ±38.17 keV |
| Neutron separation energy | 3,464 ±13.24 keV |
| Q value for electron capture | -7,815 ±72.98 keV |
| β⁻ decay energy | 10,410 ±13.11 keV |
| β⁻ decay energy with neutron | 523.8 ±13.11 keV |
37PPhosphorus-37
| Classification | z: 15; n: 22; m: 37 |
|---|---|
| Half life | 2.31 ±13 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | (1/2+) |
| Decay modes | β⁻ decay |
| Discovery | 1971 |
| Mass excess | -19,000 ±37.94 keV |
| Binding energy | 8,267 ±1.025 keV |
| Single-particle energy | 13,840 ±81.2 keV |
| Neutron separation energy | 6,816 ±40.14 keV |
| Q value for electron capture | -12,430 ±119.9 keV |
| β⁻ decay energy | 7,900 ±37.94 keV |
| β⁻ decay energy with neutron | 3,596 ±37.94 keV |
38PPhosphorus-38
| Classification | z: 15; n: 23; m: 38 |
|---|---|
| Half life | 0.64 ±14 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | (2-) |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1971 |
| Mass excess | -14,630 ±72.58 keV |
| Binding energy | 8,147 ±1.91 keV |
| Single-particle energy | 15,330 ±134.9 keV |
| Neutron separation energy | 3,696 ±81.9 keV |
| Q value for electron capture | -10,460 ±127.4 keV |
| β⁻ decay energy | 12,230 ±72.93 keV |
| β⁻ decay energy with neutron | 4,203 ±72.58 keV |
39PPhosphorus-39
| Classification | z: 15; n: 24; m: 39 |
|---|---|
| Half life | 0.28 ±4 s |
| Natural abundance | synthetic nuclide |
| Spin/parity | (1/2+) |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1977 |
| Mass excess | -12,780 ±112.6 keV |
| Binding energy | 8,097 ±2.888 keV |
| Single-particle energy | 15,890 ±153.8 keV |
| Neutron separation energy | 6,224 ±134 keV |
| Q value for electron capture | -15,100 ±176.2 keV |
| β⁻ decay energy | 10,380 ±123.2 keV |
| β⁻ decay energy with neutron | 6,015 ±112.8 keV |
40PPhosphorus-40
| Classification | z: 15; n: 25; m: 40 |
|---|---|
| Half life | 150 ±8 ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | (2- 3-) |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission; β⁻ decay with two-neutron emission |
| Discovery | 1979 |
| Mass excess | -8,140 ±83.6 keV |
| Binding energy | 7,981 ±2.09 keV |
| Single-particle energy | 17,740 ±159.2 keV |
| Neutron separation energy | 3,435 ±140.2 keV |
| Q value for electron capture | -13,810 ±147.8 keV |
| β⁻ decay energy | 14,690 ±83.7 keV |
| β⁻ decay energy with neutron | 6,952 ±97.41 keV |
41PPhosphorus-41
| Classification | z: 15; n: 26; m: 41 |
|---|---|
| Half life | 101 ±5 ms |
| Natural abundance | synthetic nuclide |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1979 |
| Mass excess | -4,980 ±120.1 keV |
| Binding energy | 7,906 ±2.93 keV |
| Single-particle energy | 17,930 ±171.2 keV |
| Neutron separation energy | 4,911 ±146.3 keV |
| Q value for electron capture | -18,180 ±323.1 keV |
| β⁻ decay energy | 14,020 ±120.2 keV |
| β⁻ decay energy with neutron | 9,786 ±120.2 keV |
42PPhosphorus-42
| Classification | z: 15; n: 27; m: 42 |
|---|---|
| Half life | 48.5 ±15 ms |
| Natural abundance | synthetic nuclide |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission; β⁻ decay with two-neutron emission |
| Discovery | 1979 |
| Mass excess | 1,091 ±95 keV |
| Binding energy | 7,765 ±2.262 keV |
| Single-particle energy | 19,390 ±315 keV |
| Neutron separation energy | 1,999 ±153.1 keV |
| Q value for electron capture | -15,750 ±314.6 keV |
| β⁻ decay energy | 18,720 ±95.05 keV |
| β⁻ decay energy with neutron | 12,020 ±95.09 keV |
43PPhosphorus-43
| Classification | z: 15; n: 28; m: 43 |
|---|---|
| Half life | 36.5 ±15 ms |
| Natural abundance | synthetic nuclide |
| Spin/parity | 1/2+ |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission; β⁻ decay with two-neutron emission |
| Discovery | 1989 |
| Mass excess | 5,040 ±300 keV |
| Binding energy | 7,681 ±7 keV |
| Single-particle energy | 19,080 ±424 keV |
| Neutron separation energy | 4,123 ±315 keV |
| Q value for electron capture | -19,290 ±500 keV |
| β⁻ decay energy | 17,230 ±300 keV |
| β⁻ decay energy with neutron | 14,600 ±300 keV |
44PPhosphorus-44
| Classification | z: 15; n: 29; m: 44 |
|---|---|
| Half life | 18.5 ±25 ms |
| Natural abundance | synthetic nuclide |
| Decay modes | β⁻ decay; β⁻ decay with neutron emission |
| Discovery | 1989 |
| Mass excess | 11,110 ±400 keV |
| Binding energy | 7,552 ±9 keV |
| Single-particle energy | 20,500 ±565 keV |
| Neutron separation energy | 2,002 ±500 keV |
| Q value for electron capture | -18,200 ±640.3 keV |
| β⁻ decay energy | 20,310 ±400 keV |
| β⁻ decay energy with neutron | 15,230 ±400 keV |
45PPhosphorus-45
| Classification | z: 15; n: 30; m: 45 |
|---|---|
| Half life | 200 ns |
| Natural abundance | synthetic nuclide |
| Decay modes | β⁻ decay |
| Discovery | 1990 |
| Mass excess | 15,960 ±500 keV |
| Binding energy | 7,456 ±11 keV |
| Single-particle energy | 20,630 ±707 keV |
| Neutron separation energy | 3,221 ±640 keV |
| β⁻ decay energy | 19,300 ±583 keV |
| β⁻ decay energy with neutron | 17,090 ±500 keV |
46PPhosphorus-46
| Classification | z: 15; n: 31; m: 46 |
|---|---|
| Half life | stable nuclide |
| Natural abundance | synthetic nuclide |
| Discovery | 1990 |
| Mass excess | 22,840 ±500 keV |
| Binding energy | 7,320 ±11 keV |
| Single-particle energy | 21,530 ±781 keV |
| Neutron separation energy | 1,191 ±707 keV |
| β⁻ decay energy | 22,200 ±640 keV |
| β⁻ decay energy with neutron | 18,100 ±583 keV |