Input interpretation
Hg-201 (mercury-201)
Natural abundance
13.18%
Mass properties
atomic number (Z) | 80 mass number (A) | 201 neutron number | 121 atomic mass | 200.970302268 u (unified atomic mass units) mass excess | -27.663259 MeV (megaelectronvolts) binding energy per nucleon | 7.897564 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 3/2^- (atomic fermion) magnetic moment | -0.5602257 μ_N electric quadrupole moment | 0.385 eb (electron barns)
Quantum properties
Excitations
E_level | spin parity J^π | half-life τ_1/2 | width Δ 1.5648 keV (kiloelectronvolts) | 1/2^- | 6×10^-8 seconds | 7.6×10^-9 eV (electronvolts) 26.272 keV (kiloelectronvolts) | 5/2^- | 6.3×10^-10 seconds | 7.24×10^-7 eV (electronvolts) 32.145 keV (kiloelectronvolts) | 3/2^- | 6×10^-11 seconds | 7.6×10^-6 eV (electronvolts) 167.47 keV (kiloelectronvolts) | 1/2^- | 2.1×10^-11 seconds | 2.2×10^-5 eV (electronvolts) 384.602 keV (kiloelectronvolts) | 5/2^- | (unknown) | (unknown) 414.539 keV (kiloelectronvolts) | 7/2^- | 2.1×10^-11 seconds | 2.17×10^-5 eV (electronvolts) 464.41 keV (kiloelectronvolts) | 5/2^- | (unknown) | (unknown) 542.81 keV (kiloelectronvolts) | 1/2 or 3/2 or 5/2 (uncertain) | (unknown) | (unknown) 547.32 keV (kiloelectronvolts) | 9/2^- | 2×10^-8 seconds | 2.3×10^-8 eV (electronvolts) 553 keV (kiloelectronvolts) | 1/2^- or 3/2^- or 5/2^- (uncertain) | (unknown) | (unknown)