Manganese: Properties


Atomic

  • Atomic Mass: 54.93805
  • Electronegativity:
    • Pauling: 1.55
    • Allred: 1.6
    • Absolute: 3.72 eV
  • Electron Affinity: <0 kJ mol-1
  • Polarizability: 9.4 3
  • Effective Nuclear Charge:
    • Slater: 3.6
    • Clementi: 5.23
    • Froese Fischer: 7.17
  • Radius:
    • Mn 2 +: 91 pm
    • Mn 3 +: 70 pm
    • Mn 4 +: 52 pm
    • Atomic: 124 pm
    • Covalent: 117 pm
  • Successive Ionization Energies:
    • Mn - Mn + : 717.4 kJ mol-1
    • Mn+1 - Mn+2 : 1509 kJ mol-1
    • Mn+2 - Mn+3 : 3248.4 kJ mol-1
    • Mn+3 - Mn+4 : 4940 kJ mol-1
    • Mn+4 - Mn+5 : 6990 kJ mol-1
    • Mn+5 - Mn+6 : 9200 kJ mol-1
    • Mn+6 - Mn+7 : 11508 kJ mol-1
    • Mn+7 - Mn+8 : 18958 kJ mol-1
    • Mn+8 - Mn+9 : 21400 kJ mol-1
    • Mn+9 - Mn+10 : 23960 kJ mol-1
  • Common Ions : Mn 2 +, Mn 3 +, Mn 4 +