Define internuclear distances in gas-phase ionic molecules

Reference no: EM13197196

The internuclear distances in gas-phase ionic molecules are considerably smaller than those in the corresponding crystals.
For exemple, the internuclear distance in NaCl(g) is 2.3606 angstrom, whereas in NaCl(s) the shortest Na-Cl distance is 2.814 angstrom. Explain why this should be so when the binding energy is larger in the crystal.

Reference no: EM13197196

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