Editing TIP4P model of water
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is a rigid planar four-site interaction potential for [[water]], having a similar geometry to the [[BF model of water |Bernal and Fowler model]], which was proposed in 1933. | is a rigid planar four-site interaction potential for [[water]], having a similar geometry to the [[BF model of water |Bernal and Fowler model]], which was proposed in 1933. | ||
==Parameters== | ==Parameters== | ||
[[Image:Four_site_water_model.png|center|400px]] | |||
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| 0.9572 || 104.52 || 3.154 || 78.0 || 0 || 0.52 || -2q(H) || 0.15 | | 0.9572 || 104.52 || 3.154 || 78.0 || 0 || 0.52 || -2q(H) || 0.15 | ||
|} | |} | ||
==Phase diagram== | ==Phase diagram== | ||
[[Image:TIP4P_phase_diagram.png|right|400px]] | |||
===Plastic crystal phases=== | ===Plastic crystal phases=== | ||
Recent simulations have demonstrated the existence of [[Plastic crystals | plastic crystal]] phases for the TIP4P model | Recent simulations have demonstrated the existence of [[Plastic crystals | plastic crystal]] phases for the TIP4P model | ||
< | <ref>[http://dx.doi.org/10.1063/1.3156856 J. L. Aragones and C. Vega "Plastic crystal phases of simple water models", Journal of Chemical Physics '''130''' 244504 (2009)]</ref>. | ||
==Shear viscosity== | ==Shear viscosity== | ||
The [[shear viscosity]] for the TIP4P model is 0.494 mPa.s at 298 K and 1 bar <ref>[http://dx.doi.org/10.1063/1.3330544 Miguel Angel González and José L. F. Abascal "The shear viscosity of rigid water models", Journal of Chemical Physics '''132''' 096101 (2010)]</ref> (experimental value 0.896 mPa.s <ref>[http://dx.doi.org/10.1021/je049918m Kenneth R. Harris and Lawrence A. Woolf "Temperature and Volume Dependence of the Viscosity of Water and Heavy Water at Low Temperatures", Journal of Chemical & Engineering Data '''49''' pp. 1064-1069 (2004)]</ref>). | The [[shear viscosity]] for the TIP4P model is 0.494 mPa.s at 298 K and 1 bar <ref>[http://dx.doi.org/10.1063/1.3330544 Miguel Angel González and José L. F. Abascal "The shear viscosity of rigid water models", Journal of Chemical Physics '''132''' 096101 (2010)]</ref> (experimental value 0.896 mPa.s <ref>[http://dx.doi.org/10.1021/je049918m Kenneth R. Harris and Lawrence A. Woolf "Temperature and Volume Dependence of the Viscosity of Water and Heavy Water at Low Temperatures", Journal of Chemical & Engineering Data '''49''' pp. 1064-1069 (2004)]</ref>). | ||
==See also== | ==See also== | ||
The following is a list of [[water models | empirical models]] that build upon this TIP4P model: | The following is a list of [[water models | empirical models]] that build upon this TIP4P model: |