The Phonopy force constants and structure data in this directory and
subdirectories are from the Kyoto Phonon database at
http://phonondb.mtl.kyoto-u.ac.jp/. The contents of the Kyoto Phonon
database website, by Atsushi Togo, are licensed under a Creative Commons
Attribution 4.0 International License
(https://web.archive.org/web/20180929045311/http://creativecommons.org/licenses/by/4.0/).
A copy of this license is provided in the LICENSE file in this directory.
