data_[Rb4Zn2Sn2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Zn  1.6500  1.3500  0.8800
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [9.0099]
_cell_length_b [9.0099]
_cell_length_c [7.3127]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [Rb2ZnSnTe4]
_chemical_formula_sum '[Rb4 Zn2 Sn2 Te8]'
_cell_volume [593.6328]
_cell_formula_units_Z [2]
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  0.0000  0.5000  0.0000  1.0
  Zn  Zn1  2  0.0000  0.0000  0.0000  1.0
  Sn  Sn2  2  0.0000  0.0000  0.5000  1.0
  Te  Te3  8  0.1640  0.1640  0.7559  1.0
]