data_[Tb2Pm6P8]
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
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [7.1104]
_cell_length_b [8.2187]
_cell_length_c [7.1109]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5006]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [TbPm3P4]
_chemical_formula_sum '[Tb2 Pm6 P8]'
_cell_volume [391.7100]
_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  0.1244  0.7500  1
  Pm  Pm1  2  0.0000  0.3744  0.2500  1
  Pm  Pm2  2  0.5000  0.1245  0.2500  1
  Pm  Pm3  2  0.5000  0.3743  0.7500  1
  P  P4  4  0.2456  0.1227  0.5002  1
  P  P5  4  0.2481  0.3727  0.9977  1
]