Hi all I want to calculate the surface tension of water using SPC model of water. I searched the mailing list and there is no post on the surface tension of water.I performed md simulation of 482 molecules of water in a triclinic box. I got the average surface tension value of water (300K) as 38.3299 bar nm which is 3.832 mN/m where as the experimental surface tension value is 71.6 mN/m. why my surface tension value is very low and what is the reason? any help is highly appreciated.
Regards Vinoth
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