The structure of hydrogen chloride

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Abstract
The structure of hydrogen chloride (dimer, crystal lattice and liquid) has been calculated using an intermolecular potential model that consists of a central Lennard-Jones (12, 6) part, a polarizable dipole and a permanent quadrupole. Good agreement with available experimental data and quantum mechanical results is obtained for all three structures. In addition the potential model gives satisfactory results for the pressure second virial coefficient. Previous potential models for HCl have been unable to reproduce the liquid structure very accurately.