data_[Tb6Sm12Er4Mg2]
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
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.1899]
_cell_length_b [10.7291]
_cell_length_c [11.7205]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1975]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb3Sm6Er2Mg]
_chemical_formula_sum '[Tb6 Sm12 Er4 Mg2]'
_cell_volume [766.0880]
_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  0.0000  0.1664  0.5000  1
  Tb  Tb1  2  0.0000  0.5000  0.5000  1
  Sm  Sm2  8  0.2479  0.1664  0.2469  1
  Sm  Sm3  4  0.2488  0.5000  0.2483  1
  Er  Er4  4  0.0000  0.3336  0.0000  1
  Mg  Mg5  2  0.0000  0.0000  0.0000  1
]