data_[Sm4Dy2Y4Er8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  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 [C2/m]
_cell_length_a [18.6015]
_cell_length_b [3.5826]
_cell_length_c [9.5202]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.7471]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2Dy(YEr2)2]
_chemical_formula_sum '[Sm4 Dy2 Y4 Er8]'
_cell_volume [571.4502]
_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
[
  Sm  Sm0  4  0.1659  0.5000  0.0014  1
  Y  Y1  4  0.1469  0.0000  0.6633  1
  Dy  Dy2  2  0.0000  0.0000  0.0000  1
  Er  Er3  4  0.0192  0.5000  0.3339  1
  Er  Er4  4  0.1852  0.0000  0.3360  1
]