Preparations
How to install FHI-aims
You will need a valid FHI-aims license for the next steps. Information about how to obtain a license can be found here: https://fhi-aims.org/get-the-code
- We will use the
210716_2
release for this tutorial series. Please download it from here. - Extract the tarball with:
tar -xzf fhi-aims.210716_2.tgz
- Follow the instructions on this page (you will need access to the FHI-aims GitLab): https://aims-git.rz-berlin.mpg.de/aims/FHIaims/-/wikis/CMake%20Tutorial, or, alternatively, download and read the manual.
How to install i-PI
The easiest way to get i-PI is using pip
package manager:
pip install i-pi
A full manual of the i-PI program with a description of all flags is found in this link. Find much more information about the i-PI code in its webpage.
Another, more flexible way to get i-PI is to clone its Git repository. Thus you obtain more control over the source code, which is not needed for this tutotial, but may be useful in practice.
- Prerequisites: Python version
>=3.6
and Numpy -
Clone the i-PI repository:
git clone https://github.com/i-pi/i-pi.git
-
Source the environment settings file
env.sh
as:source env.sh
It is useful to put this line in your
.bashrc
or another settings file if you always want to have i-PI available.