E3B water model: Difference between revisions

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{{Stub-water}}
The '''E3B''' (effective [[Many-body interactions |three-body]]) model<ref>[http://dx.doi.org/10.1021/jp8009468 R. Kumar and J. L. Skinner "Water Simulation Model with Explicit Three-Molecule Interactions", The Journal of Physical Chemistry B '''112''' pp. 8311-8318 (2008)]</ref><ref>[http://dx.doi.org/10.1063/1.3587053 C. J. Tainter, P. A. Pieniazek, Y.-S. Lin, and J. L. Skinner "Robust three-body water simulation model", Journal of Chemical Physics '''134''' 184501 (2011)]</ref> of [[water]].  
The '''E3B''' (effective [[Many-body interactions |three-body]]) model<ref>[http://dx.doi.org/10.1021/jp8009468 R. Kumar and J. L. Skinner "Water Simulation Model with Explicit Three-Molecule Interactions", The Journal of Physical Chemistry B '''112''' pp. 8311-8318 (2008)]</ref><ref>[http://dx.doi.org/10.1063/1.3587053 C. J. Tainter, P. A. Pieniazek, Y.-S. Lin, and J. L. Skinner "Robust three-body water simulation model", Journal of Chemical Physics '''134''' 184501 (2011)]</ref> of [[water]].  
==Parameters==
==Parameters==
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:<math>E_{ij} = E_{ij}^{\mathrm{TIP4P}} + E_2 e^{-k_2r_{ij}} </math>
:<math>E_{ij} = E_{ij}^{\mathrm{TIP4P}} + E_2 e^{-k_2r_{ij}} </math>


where <math>E_{ij}^{\mathrm{TIP4P}}</math> represents the [[TIP4P model of water]]
where <math>E_{ij}^{\mathrm{TIP4P}}</math> represents the [[TIP4P model of water]],
 
<math>E_2 = 2.349\times10^6</math> kJ/mol, <math>k_2 = 4.872</math> &Aring;<sup>-1</sup>,
and
and


:<math>\Delta E_{ijk}  =\Delta E_{ijk}^A  +  \Delta E_{ijk}^B  +  \Delta E_{ijk}^C </math>
:<math>\Delta E_{ijk}  =\Delta E_{ijk}^A  +  \Delta E_{ijk}^B  +  \Delta E_{ijk}^C </math>


where <math>E_2 = 2.349\times10^6</math> kJ/mol, <math>k_2 = 4.872</math> &Aring;<sup>-1</sup>, <math>E^A = 1745.7</math> kJ/mol, <math>E^B = -4565.0</math> kJ/mol, and <math>E^C = 7606.8</math> kJ/mol.
where <math>E^A = 1745.7</math> kJ/mol, <math>E^B = -4565.0</math> kJ/mol, and <math>E^C = 7606.8</math> kJ/mol.
==References==
==References==
<references/>
<references/>
[[category: water]]
[[category: water]]
[[category: models]]
[[category: models]]

Revision as of 15:06, 11 May 2011

The E3B (effective three-body) model[1][2] of water.

Parameters

The E3B potential is given by

Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle \left.U\right.=\sum _{i}\sum _{j>i}E_{ij}+\sum _{i}\sum _{j>i}\sum _{k>j}\Delta E_{ijk}}

where

Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle E_{ij}=E_{ij}^{\mathrm {TIP4P} }+E_{2}e^{-k_{2}r_{ij}}}

where Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle E_{ij}^{\mathrm {TIP4P} }} represents the TIP4P model of water, Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle E_{2}=2.349\times 10^{6}} kJ/mol, Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle k_{2}=4.872} Å-1, and

where Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle E^{A}=1745.7} kJ/mol, Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle E^{B}=-4565.0} kJ/mol, and Failed to parse (Conversion error. Server ("https://wikimedia.org/api/rest_") reported: "Cannot get mml. Server problem."): {\displaystyle E^{C}=7606.8} kJ/mol.

References