data_[Rb4Na4Te8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Te  2.1000  1.4000  1.2933
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.2754]
_cell_length_b [5.1177]
_cell_length_c [10.5634]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.5173]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbNaTe2Pb]
_chemical_formula_sum '[Rb4 Na4 Te8 Pb4]'
_cell_volume [925.8886]
_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  0.1817  0.5000  0.6686  1
  Na  Na1  4  0.1891  0.5000  0.0538  1
  Te  Te2  4  0.1265  0.0000  0.9185  1
  Te  Te3  4  0.1457  0.5000  0.3230  1
  Pb  Pb4  4  0.0631  0.0000  0.1855  1
]