ST2 model of water

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ST2 is a model for simulations of water [1]. The ST2 model is based on the earlier Ben-Naim and Stillinger model, known as the BNS model.

Parameters[edit]

Temperature of maximum density[edit]

See: a table of water TMD values.

Liquid-liquid critical point[edit]

The ST2 model has a liquid-liquid transition [2]. Liu, Panagiotopoulos, and Debenedetti [3] have located the critical point of the liquid-liquid transition of the ST2 model [4] to be at a temperature of T_c = 237 \pm 4 ~\mathrm{K}, a density of \rho_c = 0.99 \pm 0.02 ~\mathrm{g/cm}^3 and a pressure of p_c = 167 \pm 24 ~\mathrm{MPa}. This finding is supported in the work of Sciortino, Saika-Voivod and Poole [5].

Phase diagram[edit]

[6].

References[edit]

Related reading