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  • Title: Computer simulation of solid and liquid benzene with an atomistic interaction potential derived from ab initio calculations.
    Author: Cacelli I, Cinacchi G, Prampolini G, Tani A.
    Journal: J Am Chem Soc; 2004 Nov 03; 126(43):14278-86. PubMed ID: 15506796.
    Abstract:
    Molecular dynamics atomistic simulations of solid and liquid benzene have been performed, employing a model intermolecular potential derived from quantum mechanical calculations. The ab initio database includes approximately 200 geometries of the benzene dimer with interaction energies computed at the MP2 level of theory. The accuracy of the modeled force field results is satisfactory. The thermodynamic and structural properties, calculated in the condensed phases, are compared with experimental data and previous simulation results. Single particle and collective dynamical properties are also investigated through the calculation of translational and rotational diffusion coefficients, reorientational dynamics, and viscosities. The agreement of these data with experimental measurements confirms the reliability of the proposed force field.
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