data_[La2Pm8Pr4Y4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Y  1.2200  1.8000  1.0400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.5253]
_cell_length_b [5.1864]
_cell_length_c [8.1598]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.4056]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [LaPm4(PrY)2]
_chemical_formula_sum '[La2 Pm8 Pr4 Y4]'
_cell_volume [623.4179]
_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
[
  La  La0  2  0.0000  0.0000  0.0000  1
  Pm  Pm1  4  0.0556  0.5000  0.3351  1
  Pr  Pr2  4  0.1671  0.5000  0.0002  1
  Pm  Pm3  4  0.2225  0.0000  0.3357  1
  Y  Y4  4  0.1105  0.0000  0.6632  1
]