data_[Sr8Al8Ag4]
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 [11.1234]
_cell_length_b [4.9251]
_cell_length_c [11.7154]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.7607]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr2Al2Ag]
_chemical_formula_sum '[Sr8 Al8 Ag4]'
_cell_volume [567.9411]
_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  0.0870  0.5000  0.8878  1.0
  Sr  Sr1  4  0.1826  0.0000  0.6703  1.0
  Al  Al2  4  0.0841  0.5000  0.4435  1.0
  Al  Al3  4  0.1097  0.0000  0.1121  1.0
  Ag  Ag4  4  0.1273  0.0000  0.3543  1.0
]