data_[Pm4Ho2Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.8069]
_cell_length_b [4.7206]
_cell_length_c [10.8586]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.0444]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Pm2HoAg2]
_chemical_formula_sum '[Pm4 Ho2 Ag4]'
_cell_volume [295.4108]
_cell_formula_units_Z [2]
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  0.1073  0.2500  0.8777  1
  Pm  Pm1  2  0.2549  0.2500  0.5471  1
  Ho  Ho2  2  0.4107  0.2500  0.2154  1
  Ag  Ag3  2  0.2313  0.7500  0.3570  1
  Ag  Ag4  2  0.3700  0.7500  0.0314  1
]