data_[Rb4Ba4Tb4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ba  0.8900  2.1500  1.4900
  Tb  1.1000  1.7500  0.9815
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.3724]
_cell_length_b [19.6769]
_cell_length_c [12.4132]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [RbBaTbSe3]
_chemical_formula_sum '[Rb4 Ba4 Tb4 Se12]'
_cell_volume [1067.9760]
_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
[
  Rb  Rb0  4  0.0000  0.3682  0.2500  1
  Ba  Ba1  4  0.0000  0.3881  0.7500  1
  Tb  Tb2  4  0.0000  0.0000  0.0000  1
  Se  Se3  8  0.0000  0.4019  0.5021  1
  Se  Se4  4  0.0000  0.0008  0.2500  1
]