data_[Sr2Ac10Ag12]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [5.6183]
_cell_length_b [16.8409]
_cell_length_c [7.8731]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [SrAc5Ag6]
_chemical_formula_sum '[Sr2 Ac10 Ag12]'
_cell_volume [744.9292]
_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
[
  Sr  Sr0  2  0.0000  0.0000  0.0000  1
  Ac  Ac1  4  0.0000  0.3337  0.5000  1
  Ac  Ac2  4  0.0000  0.3349  0.0000  1
  Ac  Ac3  2  0.0000  0.0000  0.5000  1
  Ag  Ag4  8  0.0000  0.1684  0.2509  1
  Ag  Ag5  4  0.0000  0.5000  0.2538  1
]