data_[Tb4Eu4Ag4Se12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Eu  1.2000  1.8500  1.1985
  Ag  1.9300  1.6000  1.0867
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.1813]
_cell_length_b [13.7833]
_cell_length_c [10.7810]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [TbEuAgSe3]
_chemical_formula_sum '[Tb4 Eu4 Ag4 Se12]'
_cell_volume [621.3372]
_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  0.0000  0.0000  1.0
  Eu  Eu1  4  0.0000  0.2415  0.7500  1.0
  Ag  Ag2  4  0.0000  0.4755  0.2500  1.0
  Se  Se3  8  0.0000  0.3570  0.0584  1.0
  Se  Se4  4  0.0000  0.0949  0.2500  1.0
]