[gmx-users] Charged systems

#SUKRITI GUPTA# SUKRITI002 at e.ntu.edu.sg
Fri Dec 16 07:43:07 CET 2016

Dear all,

I have a system containing one positively charged ion frozen at the centre of the box with water molecules and one negatively charged ion in bulk water. However, the overall change in my system is not neural. I am using PME electrostatics and running the simulation. I wanted to know will my result change if I have a counter-ion like Na+ to neutralize the system? I did these simulations without neutralizing the system because I read in many places that PME automatically adds a background charge to neutralize the system.

Please let me know if I should add counter ions to neutralize the system and rerun my simulations?



Sukriti Gupta (Ms) | PhD Student | Energy Research Institute @ NTU (ERI at N) | Nanyang Technological University
N1.3-B4-14, 50 Nanyang Avenue, Singapore 639798
Tel: (65) 81164191 GMT+8h | Email:sukriti002 at e.ntu.edu.sg | Web:erian.ntu.edu.sg<http://www.ntu.edu.sg/home/xuzc/People.html>

More information about the gromacs.org_gmx-users mailing list