To play with GPAW in colab “sandbox” install it like that:

!apt install libxc-dev
!pip install gpaw
!echo "y" | gpaw install-data /usr/local/pkgs/gpaw-data-0.9.20000/
setup_paths = ['/usr/local/pkgs/gpaw-data-0.9.20000/gpaw-setups-24.11.0/']