data_[Tb2Co2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Co  1.8800  1.3500  0.7683
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [18.6340]
_cell_length_b [3.9915]
_cell_length_c [11.2685]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [TbCoSe3]
_chemical_formula_sum '[Tb2 Co2 Se6]'
_cell_volume [838.1274]
_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  0.0000  0.9148  1
  Co  Co1  2  0.0000  0.0000  0.2033  1
  Se  Se2  4  0.0975  0.0000  0.3285  1
  Se  Se3  2  0.0000  0.0000  0.6176  1
]