data_[Tb2Pm12Ho4Er6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.2250]
_cell_length_b [10.7792]
_cell_length_c [11.7861]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.0956]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [TbPm6Ho2Er3]
_chemical_formula_sum '[Tb2 Pm12 Ho4 Er6]'
_cell_volume [778.6149]
_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  0.0000  0.0000  0.0000  1
  Pm  Pm1  8  0.2493  0.3332  0.7492  1
  Pm  Pm2  4  0.2496  0.0000  0.7492  1
  Ho  Ho3  4  0.0000  0.3334  0.0000  1
  Er  Er4  4  0.0000  0.1667  0.5000  1
  Er  Er5  2  0.0000  0.5000  0.5000  1
]