data_[Tb2Sm7Er3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.3943]
_cell_length_b [3.5432]
_cell_length_c [17.4867]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.0252]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Tb2Sm7Er3]
_chemical_formula_sum '[Tb2 Sm7 Er3]'
_cell_volume [394.0005]
_cell_formula_units_Z [1]
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
[
  Tb  Tb0  2  0.0591  0.5000  0.6709  1
  Sm  Sm1  2  0.2258  0.5000  0.1705  1
  Sm  Sm2  2  0.2571  0.5000  0.4963  1
  Sm  Sm3  2  0.2753  0.0000  0.8339  1
  Sm  Sm4  1  0.0000  0.0000  0.0000  1
  Er  Er5  2  0.4532  0.0000  0.3413  1
  Er  Er6  1  0.5000  0.5000  0.0000  1
]