Input interpretation
I-112 (iodine-112)
Decay properties
half-life | 3.42 seconds (3.307 to 3.533 s) mean lifetime | 4.93 seconds (4.773 to 5.097 s) decay constant | 0.203 per second specific activity | 1.09×10^9 TBq/g (terabecquerels per gram) width | 1.33×10^-16 eV (electronvolts) decay modes | β^+ (positron emission) | β^+p (positron + delayed proton) | β^+α (positron + delayed α) | α (alpha emission) final decay products | Sn-112 (100%) | Cd-111 (0.9%) | Cd-108 (0.105%) | Cd-112 (0%) | Pd-108 (0%) | Ag-107 (0%)
Decay modes
decay mode | β^+ (positron emission) branching ratio | 99% Q-value | 9.184 MeV (megaelectronvolts) daughter nuclide | Te-112 decay mode | β^+p (positron + delayed proton) branching ratio | 0.88% daughter nuclide | Sb-111 decay mode | β^+α (positron + delayed α) branching ratio | 0.104% daughter nuclide | Sn-108 decay mode | α (alpha emission) branching ratio | 0.0012% Q-value | 2.987 MeV (megaelectronvolts) daughter nuclide | Sb-108
Decay chain
Decay chain
Mass properties
atomic number (Z) | 53 mass number (A) | 112 neutron number | 59 atomic mass | 111.92797 u (unified atomic mass units) mass excess | -67.096 MeV (megaelectronvolts) binding energy per nucleon | 8.3 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 1^+ (atomic fermion)
Quantum properties