data_[Tb4Sm8Ag4Te20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Sm  1.1700  1.8500  1.2290
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.3673]
_cell_length_b [18.8308]
_cell_length_c [13.3013]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [TbSm2AgTe5]
_chemical_formula_sum '[Tb4 Sm8 Ag4 Te20]'
_cell_volume [1093.8981]
_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  0.1918  0.0084  1
  Sm  Sm1  4  0.0000  0.1112  0.6860  1
  Sm  Sm2  4  0.0000  0.1258  0.3039  1
  Ag  Ag3  4  0.0000  0.4321  0.4607  1
  Te  Te4  4  0.0000  0.0415  0.0786  1
  Te  Te5  4  0.0000  0.2863  0.6693  1
  Te  Te6  4  0.0000  0.3069  0.3388  1
  Te  Te7  4  0.0000  0.3575  0.9989  1
  Te  Te8  4  0.0000  0.4983  0.7793  1
]