basic

Lattice Energy via Born-Haber Cycle Calculator

U_lattice = ΔH_f − (ΔH_sub + ½·BE + IE + EA).

Estimate the lattice energy of an MX-type ionic solid by closing the Born-Haber cycle: U = ΔH_f − ΔH_sub − ½·BE(X-X) − IE(M) − EA(X). All inputs in kJ/mol.

Dr. Helena Ortiz By Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

kJ/mol
kJ/mol
kJ/mol
kJ/mol
kJ/mol

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

U = ΔH_f − ΔH_sub − ½·BE − IE − EA

In depth

Estimate the lattice energy of an MX-type ionic solid by closing the Born-Haber cycle: U = ΔH_f − ΔH_sub − ½·BE(X-X) − IE(M) − EA(X). All inputs in kJ/mol.