[gmx-users] SPC vs tip3p for water

Erik Lindahl lindahl at stanford.edu
Wed Mar 27 18:45:57 CET 2002

Senthil Kandasamy wrote:

> Are there any inherent advantages/disadvantages of using tip3p water 
> in lipid/protein/water simulations.
> Is it computationally more expensive than spc water?

No, it's basically exactly the same water model but with very slightly 
different charges (optimized for different forcefield).
You can compare the files spc.itp and tip3p.itp in the topology directory.



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