data_[Tb4C2Se4N4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  C  2.5500  0.7000  0.3000
  Se  2.5500  1.1500  1.0133
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.3916]
_cell_length_b [4.1151]
_cell_length_c [7.0319]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.0034]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2C(SeN)2]
_chemical_formula_sum '[Tb4 C2 Se4 N4]'
_cell_volume [269.1160]
_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  0.1846  0.5000  0.2592  1.0
  Se  Se1  4  0.1250  0.5000  0.8425  1.0
  C  C2  2  0.0000  0.0000  0.5000  1.0
  N  N3  4  0.1211  0.0000  0.4495  1.0
]