data_[Tb2Pm8Co8]
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
  Co  1.8800  1.3500  0.7683
]
_symmetry_space_group_name_H-M [P4_2/n]
_cell_length_a [8.5088]
_cell_length_b [8.5088]
_cell_length_c [5.7520]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [86]
_chemical_formula_structural [Tb(PmCo)4]
_chemical_formula_sum '[Tb2 Pm8 Co8]'
_cell_volume [416.4431]
_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  0.0733  0.3060  0.6201  1
  Co  Co2  8  0.1368  0.2609  0.1432  1
]