data_[Pm4Ni2Ag5]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ni  1.9100  1.3500  0.7400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.4032]
_cell_length_b [3.8747]
_cell_length_c [8.8085]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.7571]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Pm4Ni2Ag5]
_chemical_formula_sum '[Pm4 Ni2 Ag5]'
_cell_volume [251.8000]
_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  0.1927  0.5000  0.8507  1
  Pm  Pm1  2  0.2288  0.5000  0.4250  1
  Ni  Ni2  2  0.0702  0.0000  0.6316  1
  Ag  Ag3  2  0.1573  0.0000  0.1372  1
  Ag  Ag4  2  0.4485  0.0000  0.6683  1
  Ag  Ag5  1  0.5000  0.0000  0.0000  1
]