Os

Osmium-181m

Protons (Z)

76

Neutrons (N)

105

Mass number

181

Half-Life

2.7 m

Abundance

---

Mass

180.953 u

Mass Excess

-43,501.0 keV

Spin

7/2-

Discovered

1966

Binding energy per nucleon

7,983 keV

Neutron separation energy

7,216 keV

Proton separation energy

4,953 keV

Decay Mode

β⁺Rhenium-181100%

Decay chain

Osmium-181Z 76 · N 1052.7 m
β⁺100%
β⁺100%
EC100%