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Computation for Surface Tension of Molecular Fluids

Madan Kumar Choudhary, Manoj Kumar and Tarun Kumar Dey

The effective pair potential for molecular fluid of molecules possessing tetrahedral symmetry is expressed in the effective Lennard-Jones (ELJ) (12 - 6) potential form in terms of effective diameter σT and well depth ∈T. We employ the effective diameter hard sphere theory (EDHST) for the ELJ (12-6) fluid in terms of the hard sphere fluid of properly chosen hard sphere diameter. We employ this theory to estimate surface tension γ of CCl4. In all these cases, the agreement is fairly good.