data_[Ce2Sm12Er2Tm4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Sm  1.1700  1.8500  1.2290
  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 [11.2976]
_cell_length_b [6.9500]
_cell_length_c [8.7877]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.2856]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [CeSm6ErTm2]
_chemical_formula_sum '[Ce2 Sm12 Er2 Tm4]'
_cell_volume [668.6553]
_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
[
  Ce  Ce0  2  0.0000  0.5000  0.0000  1
  Sm  Sm1  8  0.1713  0.2349  0.7987  1
  Sm  Sm2  4  0.1269  0.5000  0.4186  1
  Er  Er3  2  0.0000  0.0000  0.5000  1
  Tm  Tm4  4  0.0899  0.0000  0.1670  1
]