Iron: lattice energies

All values of lattice energies are quoted in kJ mol-1.


  • FeF2:
    thermochemical cycle: (no value) kJ mol-1
    calculated: 2769 kJ mol-1
  • FeF3:
    thermochemical cycle: (no value) kJ mol-1
    calculated: 5870 kJ mol-1


  • FeCl2:
    thermochemical cycle: 2631 kJ mol-1
    calculated: 2525 kJ mol-1
  • FeCl3:
    thermochemical cycle: 5359 kJ mol-1
    calculated: 5364 kJ mol-1


  • FeBr2:
    thermochemical cycle: 2569 kJ mol-1
    calculated: 2464 kJ mol-1
  • FeBr3:
    thermochemical cycle: 5333 kJ mol-1
    calculated: 5268 kJ mol-1


  • FeI2:
    thermochemical cycle: 2480 kJ mol-1
    calculated: 2382 kJ mol-1
  • FeI3:
    thermochemical cycle: (no value) kJ mol-1
    calculated: 5117 kJ mol-1


  • FeH3:
    thermochemical cycle: (no value) kJ mol-1
    calculated: 5724 kJ mol-1


  • FeO:
    thermochemical cycle: 3865 kJ mol-1
    calculated: 3795 kJ mol-1
  • Fe2O3:
    thermochemical cycle: 14774 kJ mol-1
    calculated: 14309 kJ mol-1


  1. H.D.B. Jenkins - personal communication. I am grateful to Dr Don Jenkins (University of Warwick, UK) who provided the lattice energy data, which are adapted from his contribution contained within reference 2.
  2. H.D.B. Jenkins in CRC Handbook of Chemistry and Physics 1999-2000 : A Ready-Reference Book of Chemical and Physical Data (CRC Handbook of Chemistry and Physics, D.R. Lide, (ed.), CRC Press, Boca Raton, Florida, USA, 79th edition, 1998.

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iron atomic number