data_[Sr4Zn12Ag8]
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 [Cmcm]
_cell_length_a [10.3180]
_cell_length_b [8.7366]
_cell_length_c [5.6366]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SrZn3Ag2]
_chemical_formula_sum '[Sr4 Zn12 Ag8]'
_cell_volume [508.1061]
_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  0.3222  0.2500  1
  Zn  Zn1  8  0.1809  0.2704  0.7500  1
  Zn  Zn2  4  0.0000  0.0680  0.7500  1
  Ag  Ag3  8  0.2207  0.0000  0.0000  1
]