data_[Rb2Tl4Sn2Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  Sn  1.9600  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [4.8004]
_cell_length_b [4.8004]
_cell_length_c [15.8165]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [RbTl2SnPb]
_chemical_formula_sum '[Rb2 Tl4 Sn2 Pb2]'
_cell_volume [364.4676]
_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  2  0.0000  0.0000  0.0000  1
  Tl  Tl1  4  0.0000  0.0000  0.3885  1
  Sn  Sn2  2  0.0000  0.5000  0.7500  1
  Pb  Pb3  2  0.0000  0.5000  0.2500  1
]