data_[Sm6Dy2Er8]
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
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [11.3274]
_cell_length_b [7.2628]
_cell_length_c [6.2911]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Sm3DyEr4]
_chemical_formula_sum '[Sm6 Dy2 Er8]'
_cell_volume [517.5609]
_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  0.2498  0.3729  0.0184  1.0
  Sm  Sm1  2  0.0000  0.3727  0.3528  1.0
  Dy  Dy2  2  0.0000  0.6288  0.8529  1.0
  Er  Er3  4  0.2490  0.8780  0.0192  1.0
  Er  Er4  2  0.0000  0.1222  0.8520  1.0
  Er  Er5  2  0.0000  0.8782  0.3518  1.0
]