data_[Sr4Zn40Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Fmmm]
_cell_length_a [5.6927]
_cell_length_b [12.4772]
_cell_length_c [12.9348]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Sr(Zn5Ag)2]
_chemical_formula_sum '[Sr4 Zn40 Ag8]'
_cell_volume [918.7521]
_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  0.0000  0.0000  1.0
  Zn  Zn1  16  0.0000  0.1103  0.3839  1.0
  Zn  Zn2  16  0.0000  0.1776  0.1789  1.0
  Zn  Zn3  8  0.2500  0.0000  0.2500  1.0
  Ag  Ag4  8  0.2500  0.2500  0.0000  1.0
]