data_[Pr4Sm4Ho12Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Sm  1.1700  1.8500  1.2290
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.6139]
_cell_length_b [5.6391]
_cell_length_c [7.0917]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.4441]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PrSmHo3Er]
_chemical_formula_sum '[Pr4 Sm4 Ho12 Er4]'
_cell_volume [784.3593]
_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
[
  Pr  Pr0  4  0.1457  0.5000  0.0288  1
  Sm  Sm1  4  0.0524  0.0000  0.2665  1
  Ho  Ho2  4  0.0231  0.5000  0.7361  1
  Ho  Ho3  4  0.1650  0.0000  0.7301  1
  Ho  Ho4  4  0.2203  0.0000  0.2457  1
  Er  Er5  4  0.1503  0.5000  0.4562  1
]