data_[Ac4Bi4O14]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.6469]
_cell_length_b [8.4043]
_cell_length_c [5.6689]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Ac2Bi2O7]
_chemical_formula_sum '[Ac4 Bi4 O14]'
_cell_volume [364.3203]
_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  0.2474  0.0000  0.5000  1
  Bi  Bi1  4  0.0000  0.2710  0.0000  1
  O  O2  8  0.2500  0.2500  0.2459  1
  O  O3  4  0.0000  0.5000  0.2404  1
  O  O4  2  0.0000  0.0000  0.0000  1
]