data_[Pm4Dy4Y8Er20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Dy  1.2200  1.7500  1.1310
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [5.5921]
_cell_length_b [19.6558]
_cell_length_c [10.5612]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [PmDyY2Er5]
_chemical_formula_sum '[Pm4 Dy4 Y8 Er20]'
_cell_volume [1160.8644]
_cell_formula_units_Z [4]
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  0.4166  0.4546  1
  Y  Y1  4  0.0000  0.1102  0.7346  1
  Y  Y2  4  0.0000  0.1132  0.3199  1
  Dy  Dy3  4  0.0000  0.2015  0.0113  1
  Er  Er4  4  0.0000  0.0192  0.0258  1
  Er  Er5  4  0.0000  0.2827  0.3102  1
  Er  Er6  4  0.0000  0.2985  0.7087  1
  Er  Er7  4  0.0000  0.3899  0.0220  1
  Er  Er8  4  0.0000  0.4790  0.7367  1
]