data_[Zn2As4Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  As  2.1800  1.1500  0.6600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [6.4957]
_cell_length_b [6.6606]
_cell_length_c [19.7111]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [Zn(AsPb)2]
_chemical_formula_sum '[Zn2 As4 Pb4]'
_cell_volume [852.8066]
_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
[
  Zn  Zn0  2  0.0000  0.5000  0.6422  1
  As  As1  4  0.1874  0.0000  0.4031  1
  Pb  Pb2  4  0.2500  0.2500  0.5258  1
]