data_[Pm1Sm5Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [3.6901]
_cell_length_b [3.6901]
_cell_length_c [20.0949]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [PmSm5Ag4]
_chemical_formula_sum '[Pm1 Sm5 Ag4]'
_cell_volume [273.6289]
_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  1  0.0000  0.0000  0.0000  1
  Sm  Sm1  2  0.5000  0.5000  0.1269  1
  Sm  Sm2  2  0.5000  0.5000  0.3127  1
  Sm  Sm3  1  0.5000  0.5000  0.5000  1
  Ag  Ag4  2  0.0000  0.0000  0.2195  1
  Ag  Ag5  2  0.0000  0.0000  0.4068  1
]