TIP4P model of water: Difference between revisions
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==Phase diagram== | ==Phase diagram== | ||
[[Image:TIP4P_phase_diagram.png| | :[[Image:TIP4P_phase_diagram.png|500px]] | ||
===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>. | <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>. | ||
==Melting point== | |||
The melting point [[ice Ih]]-[[water]] at 1 bar is <math>232(4)~K</math><ref name="multiple1"> [http://dx.doi.org/10.1080/00268970600967948 Carlos Vega, Maria Martin-Conde and Andrzej Patrykiejew "Absence of superheating for ice Ih with a free surface: a new method of determining the melting point of different water models", Molecular Physics '''104''' pp. 3583-3592 (2006)]</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>). | ||
Revision as of 11:14, 6 July 2010
The TIP4P model [1] is a rigid planar four-site interaction potential for water, having a similar geometry to the Bernal and Fowler model, which was proposed in 1933.
Parameters
| (Å) | HOH , deg | (Å) | (K) | q(O) (e) | q(H) (e) | q(M) (e) | (Å) |
| 0.9572 | 104.52 | 3.154 | 78.0 | 0 | 0.52 | -2q(H) | 0.15 |
Phase diagram
Plastic crystal phases
Recent simulations have demonstrated the existence of plastic crystal phases for the TIP4P model [2].
Melting point
The melting point ice Ih-water at 1 bar is [3].
Shear viscosity
The shear viscosity for the TIP4P model is 0.494 mPa.s at 298 K and 1 bar [4] (experimental value 0.896 mPa.s [5]).
See also
The following is a list of empirical models that build upon this TIP4P model:
- TIP4F
- TIP4P
- TIP4P/2005
- TIP4P-Ew
- TIP4P/FQ
- TIP4P-HB
- TIP4P/Ice
- TIP4P-pol
- TIP4PQ/2005
- TIP4P-QDP
- TIP4P-QDP-LJ
References
- ↑ William L. Jorgensen, Jayaraman Chandrasekhar, Jeffry D. Madura, Roger W. Impey and Michael L. Klein "Comparison of simple potential functions for simulating liquid water", Journal of Chemical Physics 79 pp. 926-935 (1983)
- ↑ J. L. Aragones and C. Vega "Plastic crystal phases of simple water models", Journal of Chemical Physics 130 244504 (2009)
- ↑ Carlos Vega, Maria Martin-Conde and Andrzej Patrykiejew "Absence of superheating for ice Ih with a free surface: a new method of determining the melting point of different water models", Molecular Physics 104 pp. 3583-3592 (2006)
- ↑ Miguel Angel González and José L. F. Abascal "The shear viscosity of rigid water models", Journal of Chemical Physics 132 096101 (2010)
- ↑ 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)
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