data_[Tb4Ce6Pm2N12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.1547]
_cell_length_b [10.6579]
_cell_length_c [6.1443]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5054]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2Ce3PmN6]
_chemical_formula_sum '[Tb4 Ce6 Pm2 N12]'
_cell_volume [379.9138]
_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  4  0.0000  0.3333  0.0000  1
  Ce  Ce1  4  0.0000  0.1668  0.5000  1
  Ce  Ce2  2  0.0000  0.5000  0.5000  1
  Pm  Pm3  2  0.0000  0.0000  0.0000  1
  N  N4  8  0.2450  0.3300  0.7451  1
  N  N5  4  0.2445  0.5000  0.2539  1
]