data_[Pm18Pr8Zn22]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [15.7078]
_cell_length_b [21.7305]
_cell_length_c [3.5794]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Pm9Pr4Zn11]
_chemical_formula_sum '[Pm18 Pr8 Zn22]'
_cell_volume [1221.7688]
_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  8  0.1126  0.0919  0.5000  1
  Pm  Pm1  8  0.1160  0.2640  0.5000  1
  Pr  Pr2  8  0.1668  0.4124  0.5000  1
  Pm  Pm3  2  0.0000  0.5000  0.5000  1
  Zn  Zn4  8  0.2321  0.1824  0.0000  1
  Zn  Zn5  4  0.0000  0.1776  0.0000  1
  Zn  Zn6  4  0.0000  0.3682  0.0000  1
  Zn  Zn7  4  0.2151  0.0000  0.0000  1
  Zn  Zn8  2  0.0000  0.0000  0.0000  1
]