data_[Tb4Er8Tm20Mg4]
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
  Tm  1.2500  1.7500  1.0950
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.3445]
_cell_length_b [19.8295]
_cell_length_c [10.3244]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [TbEr2Tm5Mg]
_chemical_formula_sum '[Tb4 Er8 Tm20 Mg4]'
_cell_volume [1094.1798]
_cell_formula_units_Z [4]
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  0.2060  0.7500  1
  Er  Er1  8  0.0000  0.1148  0.0373  1
  Tm  Tm2  8  0.0000  0.2896  0.0482  1
  Tm  Tm3  4  0.0000  0.0131  0.7500  1
  Tm  Tm4  4  0.0000  0.3834  0.7500  1
  Tm  Tm5  4  0.0000  0.5000  0.0000  1
  Mg  Mg6  4  0.0000  0.4051  0.2500  1
]