data_[Pr8Sm28Er8]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.9132]
_cell_length_b [15.3733]
_cell_length_c [11.2447]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.5598]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pr2Sm7Er2]
_chemical_formula_sum '[Pr8 Sm28 Er8]'
_cell_volume [1491.3337]
_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  8  0.2137  0.3701  0.9865  1
  Sm  Sm1  8  0.0510  0.2126  0.4269  1
  Sm  Sm2  8  0.0864  0.0254  0.6376  1
  Sm  Sm3  8  0.1649  0.4281  0.5878  1
  Sm  Sm4  4  0.0000  0.4157  0.2500  1
  Er  Er5  8  0.1837  0.2302  0.7415  1
]