data_[Pm4Ag1Pb3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ag  1.9300  1.6000  1.0867
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Pmm2]
_cell_length_a [4.4936]
_cell_length_b [4.5825]
_cell_length_c [11.8188]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [Pm4AgPb3]
_chemical_formula_sum '[Pm4 Ag1 Pb3]'
_cell_volume [243.3741]
_cell_formula_units_Z [1]
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
[
  Pm  Pm0  1  0.0000  0.0000  0.1339  1
  Pm  Pm1  1  0.0000  0.5000  0.8722  1
  Pm  Pm2  1  0.5000  0.0000  0.6352  1
  Pm  Pm3  1  0.5000  0.5000  0.3593  1
  Ag  Ag4  1  0.5000  0.5000  0.0832  1
  Pb  Pb5  1  0.0000  0.0000  0.4032  1
  Pb  Pb6  1  0.0000  0.5000  0.5999  1
  Pb  Pb7  1  0.5000  0.0000  0.9130  1
]