data_[Tb6Er8Mg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Er  1.2400  1.7500  1.0300
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.7124]
_cell_length_b [4.8575]
_cell_length_c [7.8685]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7120]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3(Er2Mg)2]
_chemical_formula_sum '[Tb6 Er8 Mg4]'
_cell_volume [532.5970]
_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
[
  Tb  Tb0  4  0.1120  0.0000  0.6658  1.0
  Tb  Tb1  2  0.0000  0.0000  0.0000  1.0
  Er  Er2  4  0.0563  0.5000  0.3349  1.0
  Er  Er3  4  0.2211  0.0000  0.3314  1.0
  Mg  Mg4  4  0.1697  0.5000  0.9992  1.0
]