data_[Tb7Sm3Er1]
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 [P3m1]
_cell_length_a [7.0802]
_cell_length_b [7.0802]
_cell_length_c [8.6500]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [Tb7Sm3Er]
_chemical_formula_sum '[Tb7 Sm3 Er1]'
_cell_volume [375.5250]
_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  3  0.0018  0.5009  0.5519  1
  Tb  Tb1  3  0.3314  0.1657  0.8812  1
  Tb  Tb2  1  0.3333  0.6667  0.8780  1
  Sm  Sm3  3  0.1665  0.3331  0.2172  1
  Er  Er4  1  0.0000  0.0000  0.5557  1
]