@misc{atsushi-a,
  title = {Ab-initio phonon calculation for CaP2H2O7 / C2/c (15) / materials id 643898},
  author = {Atsushi Togo},
  publisher = {NIMS},
  year = {},
  keywords = {Phonon, CaP2H2O7, C2/c (15)}
}