data_[Pm12Zn4Ag4]
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 [P2_1/c]
_cell_length_a [7.1159]
_cell_length_b [7.6761]
_cell_length_c [10.1514]
_cell_angle_alpha [90.0000]
_cell_angle_beta [95.6704]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pm3ZnAg]
_chemical_formula_sum '[Pm12 Zn4 Ag4]'
_cell_volume [551.7832]
_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  4  0.1773  0.5302  0.7737  1
  Pm  Pm1  4  0.2754  0.5342  0.4072  1
  Pm  Pm2  4  0.3326  0.1472  0.6005  1
  Zn  Zn3  4  0.4501  0.7272  0.1383  1
  Ag  Ag4  4  0.0651  0.6856  0.0525  1
]