data_[Li1Tb2Ce1Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Tb  1.1000  1.7500  0.9815
  Ce  1.1200  1.8500  1.0800
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.0861]
_cell_length_b [4.0936]
_cell_length_c [7.1264]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2557]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [LiTb2CeSe4]
_chemical_formula_sum '[Li1 Tb2 Ce1 Se4]'
_cell_volume [195.1568]
_cell_formula_units_Z [1]
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
[
  Li  Li0  1  0.0000  0.0000  0.0000  1.0
  Tb  Tb1  1  0.0000  0.5000  0.5000  1.0
  Tb  Tb2  1  0.5000  0.0000  0.5000  1.0
  Ce  Ce3  1  0.5000  0.5000  0.0000  1.0
  Se  Se4  2  0.2398  0.0000  0.7474  1.0
  Se  Se5  2  0.2428  0.5000  0.2491  1.0
]