data_[Pm12Zn8Ag12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [8.1612]
_cell_length_b [16.2803]
_cell_length_c [5.6623]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Pm3Zn2Ag3]
_chemical_formula_sum '[Pm12 Zn8 Ag12]'
_cell_volume [752.3379]
_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
[
  Pm  Pm0  8  0.0434  0.6066  0.6301  1
  Pm  Pm1  4  0.1770  0.7500  0.1337  1
  Zn  Zn2  8  0.1093  0.1101  0.8698  1
  Ag  Ag3  8  0.1810  0.5343  0.0983  1
  Ag  Ag4  4  0.1724  0.2500  0.1324  1
]