data_[Tb4Pr2Er2Mg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.1682]
_cell_length_b [5.6059]
_cell_length_c [9.4257]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.6602]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Tb2PrErMg]
_chemical_formula_sum '[Tb4 Pr2 Er2 Mg2]'
_cell_volume [308.7942]
_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  2  0.3767  0.2500  0.3945  1.0
  Tb  Tb1  2  0.4503  0.7500  0.1989  1.0
  Pr  Pr2  2  0.0362  0.7500  0.3862  1.0
  Er  Er3  2  0.1588  0.2500  0.9987  1.0
  Mg  Mg4  2  0.2332  0.7500  0.8095  1.0
]