Welcome to phonopy

Phonopy is an open source package for phonon calculations at harmonic and quasi-harmonic levels.

Phono3py is another open source package for phonon-phonon interaction and lattice thermal conductivity calculations. See the document at http://atztogo.github.io/phono3py/

Phonon database: A collection of first principles phonon calculations is available as open data at http://phonondb.mtl.kyoto-u.ac.jp/ , where the raw data of phonopy & VASP results are downloaded.

Mailing list

For questions, bug reports, and comments, please visit https://lists.sourceforge.net/lists/listinfo/phonopy-users to subscribe the phonopy mailing list and send them to phonopy-users@lists.sourceforge.net. Message body including attached files has to be smaller than 300 KB.


New BSD from version 1.3.

(LGPL from ver. 0.9.3 to version 1.2.1., GPL to version 0.9.2.)