data_[Sr4Ac4Cu4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ac  1.1000  1.9500  1.2600
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.6162]
_cell_length_b [11.3259]
_cell_length_c [9.9664]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SrAcCuO3]
_chemical_formula_sum '[Sr4 Ac4 Cu4 O12]'
_cell_volume [408.1869]
_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
[
  Sr  Sr0  4  0.0000  0.2459  0.2500  1
  Ac  Ac1  4  0.0000  0.0000  0.0000  1
  Cu  Cu2  4  0.0000  0.4862  0.7500  1
  O  O3  8  0.0000  0.3692  0.5944  1
  O  O4  4  0.0000  0.0886  0.7500  1
]