data_[Tb8Cr4W4N20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Cr  1.6600  1.4000  0.9400
  W  2.3600  1.3500  0.7667
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [3.1970]
_cell_length_b [12.9537]
_cell_length_c [10.1708]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Tb2CrWN5]
_chemical_formula_sum '[Tb8 Cr4 W4 N20]'
_cell_volume [421.1979]
_cell_formula_units_Z [4]
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  0.1074  0.6997  1
  Tb  Tb1  4  0.0000  0.1444  0.2946  1
  Cr  Cr2  4  0.0000  0.4802  0.4627  1
  W  W3  4  0.0000  0.2182  0.0112  1
  N  N4  4  0.0000  0.0444  0.0446  1
  N  N5  4  0.0000  0.2834  0.6467  1
  N  N6  4  0.0000  0.3188  0.3768  1
  N  N7  4  0.0000  0.3665  0.9998  1
  N  N8  4  0.0000  0.4897  0.7879  1
]