data_[Ac12Co4O28]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Co  1.8800  1.3500  0.7683
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [11.8182]
_cell_length_b [7.3868]
_cell_length_c [7.8269]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Ac3CoO7]
_chemical_formula_sum '[Ac12 Co4 O28]'
_cell_volume [683.2774]
_cell_formula_units_Z [4]
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  8  0.2045  0.3520  0.2500  1
  Ac  Ac1  4  0.0000  0.0000  0.0000  1
  Co  Co2  4  0.0000  0.5000  0.0000  1
  O  O3  16  0.1155  0.3286  0.5413  1
  O  O4  8  0.1309  0.0434  0.2500  1
  O  O5  4  0.0000  0.4229  0.2500  1
]