data_[Sm8Er6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.2774]
_cell_length_b [5.0567]
_cell_length_c [8.0054]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.1033]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm4Er3]
_chemical_formula_sum '[Sm8 Er6]'
_cell_volume [451.9644]
_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  0.1425  0.0000  0.4269  1
  Sm  Sm1  4  0.2143  0.5000  0.1415  1
  Er  Er2  4  0.0712  0.5000  0.7140  1
  Er  Er3  2  0.0000  0.0000  0.0000  1
]