ICAMM Rennes 2019 HOWTO

Here is a brief tutorial on how to run a calculation and how to run post-treatment tools during the VASP training school in Rennes.

• First thing to do:

launch terminal:

go to openSUSE booklet (down left of the screen), select Système and choose Terminal

export the proper LC_NUMERIC environment using the following command:

export LC_NUMERIC="en_US.UTF-8"

export LIBGL_ALWAYS_SOFTWARE=1

• VASP calculations:

3 versions of the VASP code are available:

the so-called standard version which allows you to make standard calculation with several K-points

To use it, enter the following command on a terminal

vasp_std

the so-called non-colinear version which allows you to make non-colinear calculation with several K-points

To use it, enter the following command on a terminal

vasp_ncl

the so-called gamma version which allows you to make gamma calculation but with only 1 K-point

To use it, enter the following command on a terminal

vasp_gam

Please always keep in mind that our local workstation are quite limited so please avoid to run two VASP calculations simultaneously.

• wannier90

To use wannier90, use the following command:

/ICAMM/wannier/wannier90-1.2/wannier90.x

• phonopy

To use phonopy, use the following command:

phonopy

• Gnuplot:

Gnuplot is a portable command-line driven graphing utility.

To use it, enter the following command on a terminal

gnuplot

For more infos about gnuplot, visit the following website

• p4vasp:

To use the p4vasp visualization software, use the following command:

p4v

• vmd:

To use the vmd visualization software, use the following command:

vmd