data_[Na4Mg2Zn2Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.6626]
_cell_length_b [7.9475]
_cell_length_c [7.3717]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Na2MgZnAg2]
_chemical_formula_sum '[Na4 Mg2 Zn2 Ag4]'
_cell_volume [273.1667]
_cell_formula_units_Z [2]
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
[
  Na  Na0  2  0.0000  0.1424  0.3371  1.0
  Na  Na1  2  0.5000  0.1434  0.0183  1.0
  Mg  Mg2  2  0.0000  0.4789  0.0406  1.0
  Zn  Zn3  2  0.5000  0.2587  0.5871  1.0
  Ag  Ag4  2  0.0000  0.2364  0.7632  1.0
  Ag  Ag5  2  0.5000  0.4632  0.2994  1.0
]