Born-Haber CycleChemistry

Born-Haber Cycle Ionic Lattice Energy (U) Calculator

Calculate crystal lattice energy of ionic solids from standard formation enthalpy, sublimation, ionization energy, bond dissociation, and electron affinity via Hess's Law.

Calculated Result

Lattice Dissociation Energy (U_lattice)

788kJ/mol

Calculator Inputs

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Lattice Dissociation Energy (U_lattice)

788kJ/mol

Gas Ions Formation Enthalpy Sum

377 kJ/mol

Highly Stable Ionic Lattice: Large lattice energy confirms robust Coulombic cohesive attraction, explaining high melting points and structural hardness.

Born-Haber Cycle Energetics Profile

Gas Ions Sum
377 kJ/mol(32%)
Lattice Energy U
788 kJ/mol(68%)

Standard inorganic chemistry and solid-state thermodynamics tool for ionic crystal lattice energetics.

Calculation Methodology

Hess's Law Born-Haber Cycle: ΔH°f = ΔH_sub + IE + 0.5*D + EA - U_lattice. Lattice Dissociation Energy: U_lattice = ΔH_sub + IE + 0.5*D + EA - ΔH°f. U_lattice represents the cohesive electrostatic lattice stability.

Frequently Asked Questions

The energy required to completely separate one mole of a solid ionic compound into infinitely separated gaseous ions at absolute zero/standard state.

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