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GPAW: DFT and beyond within the projector-augmented wave method

Project description



GPAW is a density-functional theory (DFT) Python code based on the projector-augmented wave (PAW) method and the atomic simulation environment (ASE). It uses plane-waves, atom-centered basis-functions or real-space uniform grids combined with multigrid methods.



  • Python 3.6 or later

  • ASE (atomic simulation environment)

  • NumPy (base N-dimensional array package)

  • SciPy (library for scientific computing)

  • LibXC

  • BLAS

Optional (highly recommended):

  • MPI



Do this:

$ python3 -m pip install gpaw

and make sure you have ~/.local/bin in your $PATH.

For more details, please see:

Test your installation

You can do a test calculation with:

$ gpaw test


Please send us bug-reports, patches, code, ideas and questions.


Geometry optimization of hydrogen molecule:

>>> from ase import Atoms
>>> from ase.optimize import BFGS
>>> from import write
>>> from gpaw import GPAW, PW
>>> h2 = Atoms('H2',
...            positions=[[0, 0, 0],
...                       [0, 0, 0.7]])
>>> h2.calc = GPAW(xc='PBE',
...                mode=PW(300),
...                txt='h2.txt')
>>> opt = BFGS(h2, trajectory='h2.traj')
BFGS:   0  09:08:09       -6.566505       2.2970
BFGS:   1  09:08:11       -6.629859       0.1871
BFGS:   2  09:08:12       -6.630410       0.0350
BFGS:   3  09:08:13       -6.630429       0.0003
>>> write('', h2)
>>> h2.get_potential_energy()  # ASE's units are eV and Å

Getting started

Once you have familiarized yourself with ASE and NumPy, you should take a look at the GPAW exercises and tutorials.

Project details

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Source Distribution

gpaw-21.6.0.tar.gz (1.5 MB view hashes)

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