Abstract

The statistical associating fluid theory (SAFT) for hard sphere chain fluids has been extended to the two-dimensional hard disk chain in fluid and solid phases. For fluids, SAFT dimer has been employed to determine the equation of state (EOS) and chemical potential of the hard disk chain fluids for various chain lengths. For solids, the SAFT also known as Wertheim's first-order perturbation theory has been employed to determine the equation of state and chemical potential of the two dimensional hard homonuclear the dumbbell-shaped Herringbone (HB) crystal with a high anisotropy parameter (ℓ*=0.924). The fluid–solid transition for dumbbell shape (ℓ*=0.924) molecule has also been determined.

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