data_[Ac8Bi4N2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Bi  2.0200  1.6000  1.0350
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.7310]
_cell_length_b [4.1347]
_cell_length_c [7.9420]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.1294]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac4Bi2NO2]
_chemical_formula_sum '[Ac8 Bi4 N2 O4]'
_cell_volume [490.9252]
_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  0.0211  0.5000  0.7856  1
  Ac  Ac1  4  0.2023  0.0000  0.1623  1
  Bi  Bi2  4  0.1332  0.0000  0.5421  1
  N  N3  2  0.0000  0.0000  0.0000  1
  O  O4  4  0.1743  0.5000  0.9921  1
]