Isotop einsteinium
Daftar isotop

| Nuklida | Z> Energi eksitasi | N> Energi eksitasi | Massa isotop (Da) > Energi eksitasi | Waktu paruh | Modepeluruhan | Isotopanak | Spin dan paritas |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 240Es | 99 | 141 | 240,06892(43)# | 6(2) dtk | α | 236Bk |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 240Es | 99 | 141 | 240,06892(43)# | 6(2) dtk | β+ (langka) | 240Cf |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 241Es | 99 | 142 | 241,06854(24)# | 10(5) dtk [8(+6−5) dtk] | α | 237Bk | (3/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 241Es | 99 | 142 | 241,06854(24)# | 10(5) dtk [8(+6−5) dtk] | β+ (langka) | 241Cf | (3/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 242Es | 99 | 143 | 242,06975(35)# | 13,5(25) dtk | α (99,94%) | 238Bk |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 242Es | 99 | 143 | 242,06975(35)# | 13,5(25) dtk | β+, SF (0,6%) | (beberapa) |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 242Es | 99 | 143 | 242,06975(35)# | 13,5(25) dtk | β+ (langka) | 242Cf |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 243Es | 99 | 144 | 243,06955(25)# | 21(2) dtk | β+ (70%) | 243Cf | 3/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 243Es | 99 | 144 | 243,06955(25)# | 21(2) dtk | α (30%) | 239Bk | 3/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 244Es | 99 | 145 | 244,07088(20)# | 37(4) dtk | β+ (94,69%) | 244Cf |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 244Es | 99 | 145 | 244,07088(20)# | 37(4) dtk | α (5,3%) | 240Bk |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 244Es | 99 | 145 | 244,07088(20)# | 37(4) dtk | β+, SF (0,01%) | (beberapa) |  |  |  |  |  |  |  |  |  |  |  |  |  |
| 245Es | 99 | 146 | 245,07132(22)# | 1,1(1) mnt | β+ (60%) | 245Cf | (3/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 245Es | 99 | 146 | 245,07132(22)# | 1,1(1) mnt | α (40%) | 241Bk | (3/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 246Es | 99 | 147 | 246,07290(24)# | 7,7(5) mnt | β+ (90,1%) | 246Cf | 4−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 246Es | 99 | 147 | 246,07290(24)# | 7,7(5) mnt | α (9,9%) | 242Bk | 4−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 246Es | 99 | 147 | 246,07290(24)# | 7,7(5) mnt | β+, SF (0,003%) | (beberapa) | 4−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 247Es | 99 | 148 | 247,07366(3)# | 4,55(26) mnt | β+ (93%) | 247Cf | 7/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 247Es | 99 | 148 | 247,07366(3)# | 4,55(26) mnt | α (7%) | 243Bk | 7/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 247Es | 99 | 148 | 247,07366(3)# | 4,55(26) mnt | SF (9×10−5%) | (beberapa) | 7/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 248Es | 99 | 149 | 248,07547(6)# | 27(5) mnt | β+ (99,75%) | 248Cf | 2−#, 0+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 248Es | 99 | 149 | 248,07547(6)# | 27(5) mnt | α (0,25%) | 244Bk | 2−#, 0+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 248Es | 99 | 149 | 248,07547(6)# | 27(5) mnt | β+, SF (3×10−5%) | (beberapa) | 2−#, 0+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 249Es | 99 | 150 | 249,07641(3)# | 102,2(6) mnt | β+ (99,43%) | 249Cf | 7/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 249Es | 99 | 150 | 249,07641(3)# | 102,2(6) mnt | α (0,57%) | 245Bk | 7/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 250Es | 99 | 151 | 250,07861(11)# | 8,6(1) jam | β+ (97%) | 250Cf | (6+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 250Es | 99 | 151 | 250,07861(11)# | 8,6(1) jam | α (3%) | 246Bk | (6+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 250mEs | 200(150)# keV | 200(150)# keV | 200(150)# keV | 2,22(5) jam | EC (99%) | 250Cf | 1(−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 250mEs | 200(150)# keV | 200(150)# keV | 200(150)# keV | 2,22(5) jam | α (1%) | 246Bk | 1(−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 251Es | 99 | 152 | 251,079992(7) | 33(1) jam | EC (99,51%) | 251Cf | (3/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 251Es | 99 | 152 | 251,079992(7) | 33(1) jam | α (0,49%) | 247Bk | (3/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 252Es | 99 | 153 | 252,08298(5) | 471,7(19) hri | α (76%) | 248Bk | (5−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 252Es | 99 | 153 | 252,08298(5) | 471,7(19) hri | EC (24%) | 252Cf | (5−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 252Es | 99 | 153 | 252,08298(5) | 471,7(19) hri | β− (0,01%) | 252Fm | (5−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 253Es | 99 | 154 | 253,0848247(28) | 20,47(3) hri | α | 249Bk | 7/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 253Es | 99 | 154 | 253,0848247(28) | 20,47(3) hri | SF (8,7×10−6%) | (beberapa) | 7/2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 254Es | 99 | 155 | 254,088022(5) | 275,7(5) hri | α | 250Bk | (7+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 254Es | 99 | 155 | 254,088022(5) | 275,7(5) hri | EC (10−4%) | 254Cf | (7+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 254Es | 99 | 155 | 254,088022(5) | 275,7(5) hri | SF (3×10−6%) | (beberapa) | (7+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 254Es | 99 | 155 | 254,088022(5) | 275,7(5) hri | β− (1,74×10−6%) | 254Fm | (7+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 254mEs | 84,2(25) keV | 84,2(25) keV | 84,2(25) keV | 39,3(2) jam | β− (98%) | 254Fm | 2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 254mEs | 84,2(25) keV | 84,2(25) keV | 84,2(25) keV | 39,3(2) jam | IT (3%) | 254Es | 2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 254mEs | 84,2(25) keV | 84,2(25) keV | 84,2(25) keV | 39,3(2) jam | α (0,33%) | 250Bk | 2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 254mEs | 84,2(25) keV | 84,2(25) keV | 84,2(25) keV | 39,3(2) jam | EC (0,078%) | 254Cf | 2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 254mEs | 84,2(25) keV | 84,2(25) keV | 84,2(25) keV | 39,3(2) jam | SF (0,0045%) | (beberapa) | 2+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 255Es | 99 | 156 | 255,090273(12) | 39,8(12) hri | β− (92%) | 255Fm | (7/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 255Es | 99 | 156 | 255,090273(12) | 39,8(12) hri | α (8%) | 251Bk | (7/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 255Es | 99 | 156 | 255,090273(12) | 39,8(12) hri | SF (0,0041%) | (beberapa) | (7/2+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 256Es | 99 | 157 | 256,09360(11)# | 25,4(24) mnt | β− | 256Fm | (1+, 0−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 256mEs | 0(100)# keV | 0(100)# keV | 0(100)# keV | 7,6 jam | β− (99,99%) | 256Fm | (8+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 256mEs | 0(100)# keV | 0(100)# keV | 0(100)# keV | 7,6 jam | β−, SF (0,002%) | (beberapa) | (8+) |  |  |  |  |  |  |  |  |  |  |  |  |
| 257Es | 99 | 158 | 257,09598(44)# | 7,7(2) hri | β− | 257Fm | 7/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 257Es | 99 | 158 | 257,09598(44)# | 7,7(2) hri | α | 253Bk  | 7/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
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↑  mEs –  Isomer nuklir tereksitasi.
↑  ( ) –  Ketidakpastian (1σ) diberikan dalam bentuk ringkas dalam tanda kurung setelah digit terakhir yang sesuai.
↑  # –  Massa atom bertanda #: nilai dan ketidakpastian yang diperoleh bukan dari data eksperimen murni, tetapi setidaknya sebagian dari tren dari Permukaan Massa (trends from the Mass Surface, TMS).
↑  
Mode peluruhan:


EC:Penangkapan elektron

IT:Transisi isomerik

SF:Fisi spontan
↑  ( ) nilai spin –  Menunjukkan spin dengan argumen penempatan yang lemah.
1 2  # –  Nilai yang ditandai # tidak murni berasal dari data eksperimen, tetapi setidaknya sebagian dari tren nuklida tetangga (trends of neighboring nuclides, TNN).
↑  Isotop yang paling umum