data_[Ac8Sb4P2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sb  2.0500  1.4500  0.8300
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.2176]
_cell_length_b [4.2536]
_cell_length_c [8.1292]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.5785]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac4Sb2PO2]
_chemical_formula_sum '[Ac8 Sb4 P2 O4]'
_cell_volume [524.9988]
_cell_formula_units_Z [2]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  '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
[
  Ac  Ac0  4  0.0286  0.5000  0.7598  1
  Ac  Ac1  4  0.2088  0.0000  0.1623  1
  Sb  Sb2  4  0.1336  0.0000  0.5378  1
  P  P3  2  0.0000  0.0000  0.0000  1
  O  O4  4  0.1785  0.5000  0.9861  1
]