# A1 fcc voids (nnd=3)
data_nolabel
_cell_length_a     4.2426
_cell_length_b     4.2426
_cell_length_c     4.2426
_cell_angle_alpha  90
_cell_angle_beta   90
_cell_angle_gamma  90
_symmetry_space_group_name_H-M  'Fm-3m'
loop_
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_Wyckoff_symbol
_atom_site_description
  Li     0     0     0       4a  'atom'
  O      0.5   0.5   0.5     4b  '6o void'
  H      0.25  0.25  0.25    4c  '4t void'
