data_[Sm4Y10Er10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [17.0495]
_cell_length_b [5.6236]
_cell_length_c [9.6677]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.5430]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2(YEr)5]
_chemical_formula_sum '[Sm4 Y10 Er10]'
_cell_volume [763.5143]
_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  0.1251  0.0000  0.4546  1.0
  Y  Y1  4  0.1248  0.0000  0.7880  1.0
  Y  Y2  4  0.2499  0.0000  0.2462  1.0
  Y  Y3  2  0.0000  0.0000  0.0000  1.0
  Er  Er4  4  0.1242  0.5000  0.9606  1.0
  Er  Er5  4  0.1244  0.5000  0.2938  1.0
  Er  Er6  2  0.0000  0.5000  0.5000  1.0
]