data_[Pm4Sm4Y2Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.3647]
_cell_length_b [5.0790]
_cell_length_c [8.0314]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.2277]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Sm2YEr2]
_chemical_formula_sum '[Pm4 Sm4 Y2 Er4]'
_cell_volume [458.8068]
_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  0.1434  0.0000  0.4289  1
  Sm  Sm1  4  0.0715  0.5000  0.7175  1
  Y  Y2  2  0.0000  0.0000  0.0000  1
  Er  Er3  4  0.2147  0.5000  0.1409  1
]