data_[Sm16Er4Tm2]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.6428]
_cell_length_b [6.7311]
_cell_length_c [6.6739]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.3102]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm8Er2Tm]
_chemical_formula_sum '[Sm16 Er4 Tm2]'
_cell_volume [735.5636]
_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  8  0.0871  0.2618  0.4027  1
  Sm  Sm1  4  0.0928  0.5000  0.9113  1
  Sm  Sm2  4  0.2445  0.0000  0.3179  1
  Er  Er3  4  0.1974  0.0000  0.8046  1
  Tm  Tm4  2  0.0000  0.0000  0.0000  1
]