data_[Ba2Sr4Ac4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Sr  0.9500  2.0000  1.3200
  Ac  1.1000  1.9500  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.1324]
_cell_length_b [4.1324]
_cell_length_c [30.3699]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Ba(SrAc)2]
_chemical_formula_sum '[Ba2 Sr4 Ac4]'
_cell_volume [518.6259]
_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
[
  Ba  Ba0  2  0.0000  0.0000  0.0000  1
  Sr  Sr1  4  0.0000  0.0000  0.3906  1
  Ac  Ac2  4  0.0000  0.0000  0.2080  1
]