data_image0
_chemical_formula_structural       F4Mg2
_chemical_formula_sum              "F4 Mg2"
_cell_length_a       4.556059
_cell_length_b       4.556059
_cell_length_c       3.009523
_cell_angle_alpha    90.0
_cell_angle_beta     90.0
_cell_angle_gamma    90.0

_space_group_name_H-M_alt    "P 1"
_space_group_IT_number       1

loop_
  _space_group_symop_operation_xyz
  'x, y, z'

loop_
  _atom_site_type_symbol
  _atom_site_label
  _atom_site_symmetry_multiplicity
  _atom_site_fract_x
  _atom_site_fract_y
  _atom_site_fract_z
  _atom_site_occupancy
  F   F1        1.0  0.3028340941  0.3028340941  0.0  1.0000
  F   F2        1.0  0.6971661254  0.6971661254  0.0  1.0000
  F   F3        1.0  0.8028342039  0.19716601559999997  0.4999995016  1.0000
  F   F4        1.0  0.19716601559999997  0.8028342039  0.4999995016  1.0000
  Mg  Mg1       1.0  0.0  0.0  0.0  1.0000
  Mg  Mg2       1.0  0.5000001097  0.5000001097  0.4999995016  1.0000