User Tools

Site Tools


exercises:2014_uzh_molsim:alanine_dipeptide

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision
Previous revision
Last revisionBoth sides next revision
exercise:mm_uzh:alanine_dipeptide [2014/06/11 11:48] talirzexercises:2014_uzh_molsim:alanine_dipeptide [2014/10/15 14:22] oschuett
Line 8: Line 8:
 the torsional angle $\phi$ is C-N-C-C, while $\psi$ is N-C-C-N along the backbone. the torsional angle $\phi$ is C-N-C-C, while $\psi$ is N-C-C-N along the backbone.
  
-{{ :exercise:mm_uzh:alanine.png?direct&400 |}}+{{ alanine.png?direct&400 |}}
  
 <note>**TASK 1** <note>**TASK 1**
Line 21: Line 21:
   - The atomic indices defining the dihedral indices in the input file ''geo.in'' are missing. Replace ''I1'' to ''I4'' by the atomic indices determined previously. //Note:// While VMD starts counting atoms from 0, CP2K starts counting from 1, i.e. the VMD indices need to be increased by 1.   - The atomic indices defining the dihedral indices in the input file ''geo.in'' are missing. Replace ''I1'' to ''I4'' by the atomic indices determined previously. //Note:// While VMD starts counting atoms from 0, CP2K starts counting from 1, i.e. the VMD indices need to be increased by 1.
   - Use ''perform-gopt.sh'' to perform the grid of geometry optimizations.   - Use ''perform-gopt.sh'' to perform the grid of geometry optimizations.
-  - Use gunplot to plot the potential energy surface (we have provided a script ''epot.gp''). Which are the two most favoured conformations?+  - Use gnuplot to plot the potential energy surface (we have provided a script ''epot.gp''). Which are the two most favoured conformations?
   - Compare with Figure 3 of [[doi>10.1073/pnas.100127697]].   - Compare with Figure 3 of [[doi>10.1073/pnas.100127697]].
 </note> </note>
exercises/2014_uzh_molsim/alanine_dipeptide.txt · Last modified: 2020/08/21 10:15 by 127.0.0.1