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From: Axel Kohlmeyer (akohlmey_at_gmail.com)
Date: Mon Apr 05 2010 - 09:52:55 CDT
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On Mon, 2010-04-05 at 10:58 -0300, Ranyere Deyler wrote:
> Dear VMD Users,
>
> I generated a carbon nanotube by the plugin in VMD. Well, it
> recognizes the bonds on the nanotubes but when i give the
>
> set sel [atomselect all]
> $sel writepdb file.pdb
> $sel writepsf file.psf
>
> it doesn't add any bonds on the psf file. It shows the bonds on the
> console when you create the nanotube but when you write down the psf
> file it doesn't.
can you please try if issuing the "topo retypebonds" command
after building the carbon nanotube solves the bond writing issue.
> So i'm wondering if there's a better way of generating the psf of the
> CNT.
>
> I tryed using the AutomaticPsf Builder but it was not successful, it
> gives some erros, it says that 'CNT' is not parametrised. And if
psfgen (which autopsf is a front end for) cannot work for these
kinds of systems.
cheers,
axel.
> someonet has the proper topology file for a carbon nanotubes (as the
> ones in the tutorial water trough nanotubes, that already gives the
> psf but it doesn't have the topology file that generated it), i would
> apreciate.
> Thanks a lot
>
> Ranyere Deyler Trindade
-- Dr. Axel Kohlmeyer akohlmey_at_gmail.com http://sites.google.com/site/akohlmey/ Institute for Computational Molecular Science Temple University, Philadelphia PA, USA.
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