data_[Zn4Cu4Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.9943]
_cell_length_b [3.8378]
_cell_length_c [5.5631]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.9482]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [ZnCuAg]
_chemical_formula_sum '[Zn4 Cu4 Ag4]'
_cell_volume [178.1129]
_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
[
  Zn  Zn0  4  0.0084  0.5000  0.7692  1
  Cu  Cu1  4  0.1575  0.0000  0.0742  1
  Ag  Ag2  4  0.1702  0.0000  0.5939  1
]