data_[Rb4Na8Zn2Sn4]
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
  Zn  1.6500  1.3500  0.8800
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.5745]
_cell_length_b [8.2029]
_cell_length_c [5.8313]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.8711]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Na4ZnSn2]
_chemical_formula_sum '[Rb4 Na8 Zn2 Sn4]'
_cell_volume [639.7059]
_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  0.1233  0.5000  0.7193  1.0
  Na  Na1  8  0.1416  0.2006  0.2122  1.0
  Zn  Zn2  2  0.0000  0.0000  0.5000  1.0
  Sn  Sn3  4  0.1823  0.0000  0.7363  1.0
]