Correlation of Melting Point with Lattice Energy for Cubic Ionic Solids
Compound
Interionic Distance
(Angstroms)
Melting Point
(Centigrade)
Lattice Energy
(kcal/mol)
NaF
2.31
988
-201
NaCl
2.79
801
-182
NaBr
2.94
790
-173
NaI
3.18
660
-159