Dear Experts,

I generated LIG.str file using CGenFF for a specific molecule. I would like to use GROMACS package. I tried to convert LIG.str file to LIG.itp file. I tried as following command using cgenff_charmm2gmx.py:

  • ./cgenff_charmm2gmx.py LIG LIG.mol2 LIG.str charmm36

I got following error:

Traceback (most recent call last):

File "./cgenff_charmm2gmx.py", line 47, in

import networkx as nx

ImportError: No module named networkx

How can I fix this error?

Please give me any advice.

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