data_[K2Rb4Sn4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Rb  0.8200  2.3500  1.6600
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.3280]
_cell_length_b [5.7043]
_cell_length_c [8.0085]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.2459]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KRb2(SnTe2)2]
_chemical_formula_sum '[K2 Rb4 Sn4 Te8]'
_cell_volume [767.2404]
_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  0.1349  0.0000  0.5764  1.0
  K  K1  2  0.0000  0.0000  0.0000  1.0
  Sn  Sn2  4  0.1635  0.5000  0.0244  1.0
  Te  Te3  4  0.0289  0.5000  0.7282  1.0
  Te  Te4  4  0.2090  0.0000  0.1698  1.0
]