data_[Tb4Sc16Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sc  1.3600  1.6000  0.8850
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.8603]
_cell_length_b [12.7261]
_cell_length_c [19.9300]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Tb(Sc2Se3)2]
_chemical_formula_sum '[Tb4 Sc16 Se24]'
_cell_volume [979.0828]
_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  0.3480  0.7500  1
  Sc  Sc1  8  0.0000  0.1422  0.0374  1
  Sc  Sc2  8  0.0000  0.4076  0.1242  1
  Se  Se3  8  0.0000  0.0479  0.1618  1
  Se  Se4  8  0.0000  0.2320  0.5890  1
  Se  Se5  4  0.0000  0.3185  0.2500  1
  Se  Se6  4  0.0000  0.5000  0.0000  1
]