data_[Sm4Dy16Er4]
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 [C2/c]
_cell_length_a [8.7957]
_cell_length_b [14.8643]
_cell_length_c [6.4997]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.3425]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [SmDy4Er]
_chemical_formula_sum '[Sm4 Dy16 Er4]'
_cell_volume [774.2292]
_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
[
  Sm  Sm0  4  0.0000  0.0117  0.2500  1
  Dy  Dy1  8  0.0878  0.2029  0.5479  1
  Dy  Dy2  8  0.1980  0.3794  0.8901  1
  Er  Er3  4  0.0000  0.4139  0.2500  1
]