data_[Sm2Y4Er6Tm12]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.0970]
_cell_length_b [10.5428]
_cell_length_c [11.6654]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.0231]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SmY2(ErTm2)3]
_chemical_formula_sum '[Sm2 Y4 Er6 Tm12]'
_cell_volume [738.4028]
_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  2  0.0000  0.0000  0.0000  1.0
  Y  Y1  4  0.0000  0.3333  0.0000  1.0
  Er  Er2  4  0.0000  0.1669  0.5000  1.0
  Er  Er3  2  0.0000  0.5000  0.5000  1.0
  Tm  Tm4  8  0.2490  0.3334  0.7475  1.0
  Tm  Tm5  4  0.2487  0.0000  0.7476  1.0
]