Hello everyone,

I am running a DPD simulation where the mesomolecule is charged. I had initially faced a problem with the opposite charges collapsing on each other. In order to rectify it, I used the ERFR functional form to describe electrostatic interactions as suggested by members in this group. Now I am using a mesomolecule which has more number of charged groups but I see the same issue rise again. I have attached the mesomolecule, the mesostructure and the forcefield document. Can someone tell me how to overcome the issue?  

Regards,

Ricky