data_[Pm4Cu2Ag5]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Cu  1.9000  1.3500  0.8200
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.4561]
_cell_length_b [3.9399]
_cell_length_c [8.8209]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.8428]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Pm4Cu2Ag5]
_chemical_formula_sum '[Pm4 Cu2 Ag5]'
_cell_volume [258.9877]
_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  2  0.2053  0.5000  0.8567  1
  Pm  Pm1  2  0.2412  0.5000  0.4040  1
  Cu  Cu2  2  0.0698  0.0000  0.6274  1
  Ag  Ag3  2  0.1407  0.0000  0.1296  1
  Ag  Ag4  2  0.4334  0.0000  0.6572  1
  Ag  Ag5  1  0.5000  0.0000  0.0000  1
]