data_[Sr4Al12Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Al  1.6100  1.2500  0.6750
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.6783]
_cell_length_b [4.2709]
_cell_length_c [8.2543]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.0067]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SrAl3Ag2]
_chemical_formula_sum '[Sr4 Al12 Ag8]'
_cell_volume [532.8490]
_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  0.1459  0.0000  0.0610  1.0
  Al  Al1  4  0.0372  0.0000  0.3783  1.0
  Al  Al2  4  0.0926  0.5000  0.6697  1.0
  Al  Al3  4  0.1830  0.5000  0.4473  1.0
  Ag  Ag4  4  0.0206  0.5000  0.1824  1.0
  Ag  Ag5  4  0.1931  0.0000  0.6710  1.0
]