data_[Rb4Na4Zn4O8]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.1811]
_cell_length_b [3.6633]
_cell_length_c [7.8838]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.9980]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbNaZnO2]
_chemical_formula_sum '[Rb4 Na4 Zn4 O8]'
_cell_volume [347.4694]
_cell_formula_units_Z [4]
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  0.1406  0.5000  0.6400  1.0
  Na  Na1  4  0.1862  0.5000  0.0684  1.0
  Zn  Zn2  4  0.0396  0.0000  0.1734  1.0
  O  O3  4  0.0873  0.5000  0.2870  1.0
  O  O4  4  0.1187  0.0000  0.9333  1.0
]