Meitnerium Isotopic Data

 

 

 

Isotope

 

Isotopic Mass

amu

 

% Abundance

 

T1/2

 

T1/2

Units

 

Mass Excess

KeV

 

Binding Energy

Per Nucleon

KeV

 

Decay

Mode

 

Branching

Ratio

265Mt

265.13615 (50)

 

2

ms

126,820 (460)

7,271 (2)

A ?

 

266Mt

266.13730 (37)

 

1.2

ms

127,890 (340)

7,270 (1)

A

?

267Mt

267.13731 (58)

 

10

ms

127,900 (540)

7,273 (2)

A ?

 

268Mt

268.13873 (34)

 

53

ms

129,220 (320)

7,271 (1)

A

100

269Mt

269.13906 (59)

 

200

ms

129,530 (550)

7,273 (2)

A ?

 

270Mt

270.14066 (58)

 

2

s

131,020 (540)

7,270 (2)

A ?

 

271Mt

271.14114 (61)

 

5

s

131,470 (560)

7,272 (2)

A ?

 

272Mt

272.14374 (52)

 

10

s

133,890 (480)

7,266 (2)

A ?

 

273Mt

273.14491 (55)

 

20

s

134,990 (510)

7,264 (2)

A ?

 

274Mt

274.14749 (60)

 

20

s

137,390 (560)

7,259 (2)

A ?

 

275Mt

275.14865 (64)

 

30

s

138,460 (590)

7,258 (2)

A ?

 

276Mt

276.15116 (73)

 

40

s

140,800 (680)

7,252 (2)

A ?

 

277Mt

277.15242 (95)

 

1

m

141,980 (880)

7,251 (3)

A ?

 

278Mt

278.15481 (90)

 

30

m

144,210 (840)

7,246 (3)

A ?

 

279Mt

279.15619 (77)

 

6

m

145,490 (720)

7,244 (3)

A ?

 

266mMt

266.13730 (37)

 

6

ms

127,890 (340)

7,270 (1)

A

100

268mMt

268.13873 (34)

 

 

 

129,220 (320)

7,271 (1)

A ?

 

Data Source: ENSDF March 2005

©Radiochemistry Society 2005