data_[Pm4Y6Zn6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Y  1.2200  1.8000  1.0400
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.6545]
_cell_length_b [5.1754]
_cell_length_c [21.8122]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pm2(YZn)3]
_chemical_formula_sum '[Pm4 Y6 Zn6]'
_cell_volume [412.5387]
_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  4  0.0000  0.5000  0.2725  1
  Y  Y1  4  0.0000  0.0000  0.3846  1
  Y  Y2  2  0.0000  0.5000  0.5000  1
  Zn  Zn3  4  0.0000  0.0000  0.1122  1
  Zn  Zn4  2  0.0000  0.5000  0.0000  1
]