data_[Tb4Sm2Er2Mg1]
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 [P-1]
_cell_length_a [6.4497]
_cell_length_b [6.4564]
_cell_length_c [7.4438]
_cell_angle_alpha [74.4804]
_cell_angle_beta [74.3135]
_cell_angle_gamma [85.6799]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Tb4Sm2Er2Mg]
_chemical_formula_sum '[Tb4 Sm2 Er2 Mg1]'
_cell_volume [287.5455]
_cell_formula_units_Z [1]
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  0.1872  0.6345  0.7803  1
  Tb  Tb1  2  0.2051  0.6648  0.3028  1
  Sm  Sm2  2  0.3646  0.2072  0.1139  1
  Er  Er3  2  0.3333  0.1806  0.5988  1
  Mg  Mg4  1  0.0000  0.0000  0.0000  1
]