Date: Fri Mar 09 2018 - 02:04:47 CST

> Dear all,
> I have built a new carbon nanotube using vmd. I have got the pdb and psf
> file of this system after solvation. For the minimization of it, how can I
> get the parameter file? I am using namd.
> Regards,
> Shyam

you can get the parameters for carbon nanotube in the tutorials -
under the title - Simulation of Water Permeation through Nanotubes.
here are the individual files of tutorials -