You may need to upgrade - use cpptraj from AmberTools 18 or the GitHub
version. I don't remember exactly when I added support for pucker
calcs on 6 membered rings but Amber 12 is about 7 years old now -
there have been tons of fixes and improvements since then.
-Dan
On Wed, Feb 20, 2019 at 9:23 AM MYRIAN TORRES RICO
<myriam.torres.iiq.csic.es> wrote:
>
>
> Hi Daniel,
>
> I use Amber12. I use this version for calculate also distances,
> dihedral and torsions.
>
> Myriam
>
>
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Received on Thu Feb 21 2019 - 11:30:05 PST