513.001 Molecular and Solid State Physics

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Physical
Constants

Periodic System
of Elements

      

Electrostatic bond

The molecule HF (hydrofluoric acid) shows a bond length of 0.092nm. The molecule is characterised by a very strong partial charge transfer of the electron from hydrogen to fluorine of 0.41e. Calculate the binding energy of one sodium ion (Na+) which is 0.2nm apart from the molecule (assume the atoms in one line)