data_[Rb3Na6Sn6Sb6]
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
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.3567]
_cell_length_b [5.3567]
_cell_length_c [29.0152]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [RbNa2(SnSb)2]
_chemical_formula_sum '[Rb3 Na6 Sn6 Sb6]'
_cell_volume [721.0405]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1.0
  Na  Na1  6  0.0000  0.0000  0.1397  1.0
  Sn  Sn2  6  0.0000  0.0000  0.4436  1.0
  Sb  Sb3  6  0.0000  0.0000  0.2478  1.0
]