data_[Tb6Er8Mg2]
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 [Pmn2_1]
_cell_length_a [11.1744]
_cell_length_b [7.0730]
_cell_length_c [6.1486]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Tb3Er4Mg]
_chemical_formula_sum '[Tb6 Er8 Mg2]'
_cell_volume [485.9633]
_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  0.2446  0.6222  0.9789  1.0
  Tb  Tb1  2  0.0000  0.6288  0.6365  1.0
  Er  Er2  4  0.2452  0.1250  0.9866  1.0
  Er  Er3  2  0.0000  0.1240  0.6428  1.0
  Er  Er4  2  0.0000  0.8783  0.1585  1.0
  Mg  Mg5  2  0.0000  0.3732  0.1465  1.0
]