"didn't find VdW parameter for atom type NH3" error

From: Emily Chen (chen2041_at_umn.edu)
Date: Tue Jun 29 2010 - 07:06:33 CDT

Hi,
I'm new to NAMD. I am trying to run a coarse grained simulation, but I keep
getting back this error:
"FATAL ERROR: DIDN'T FIND VdW PARAMETER FOR ATOM TYPE NH3."
I looked in the FAQ, which suggested adding name="MAIN" at the segment
statement but I'm not sure what that means. I tried typing in the commands
in the psfgen guide<http://www.ks.uiuc.edu/Research/vmd/plugins/psfgen/ug.pdf>
 (modified
to fit my files) but I got errors.
The .conf, <http://docs.google.com/View?id=dcszqv99_129htpg5xdn>
parameter,<http://docs.google.com/View?id=dcszqv99_130g4xxmwhm> and
part of the psf <http://docs.google.com/View?id=dcszqv99_132d984xhf9> I
used, as well as one of the
.log<http://docs.google.com/View?id=dcszqv99_133d88p5mcn>files it put
out.

Thank you!
Emily

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