data_[Na3Tb3Tm12Se24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tb  1.1000  1.7500  0.9815
  Tm  1.2500  1.7500  1.0950
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [8.3629]
_cell_length_b [8.3629]
_cell_length_c [20.6550]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [NaTb(TmSe2)4]
_chemical_formula_sum '[Na3 Tb3 Tm12 Se24]'
_cell_volume [1251.0245]
_cell_formula_units_Z [3]
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
[
  Na  Na0  3  0.0000  0.0000  0.6264  1.0
  Tb  Tb1  3  0.0000  0.0000  0.9949  1.0
  Tm  Tm2  9  0.0134  0.5067  0.5016  1.0
  Tm  Tm3  3  0.0000  0.0000  0.3745  1.0
  Se  Se4  9  0.0191  0.5095  0.7539  1.0
  Se  Se5  9  0.1789  0.3578  0.5785  1.0
  Se  Se6  3  0.0000  0.0000  0.2417  1.0
  Se  Se7  3  0.0000  0.0000  0.7606  1.0
]