data_[Tb3Pm6Co3]
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 [R3m]
_cell_length_a [3.8218]
_cell_length_b [3.8218]
_cell_length_c [27.5074]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [TbPm2Co]
_chemical_formula_sum '[Tb3 Pm6 Co3]'
_cell_volume [347.9413]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.4993  1
  Pm  Pm1  3  0.0000  0.0000  0.7248  1
  Pm  Pm2  3  0.0000  0.0000  0.9422  1
  Co  Co3  3  0.0000  0.0000  0.3338  1
]