data_[Na11Zn2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [Pmm2]
_cell_length_a [7.3001]
_cell_length_b [7.3970]
_cell_length_c [5.3920]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [Na11Zn2O8]
_chemical_formula_sum '[Na11 Zn2 O8]'
_cell_volume [291.1608]
_cell_formula_units_Z [1]
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
[
  Na  Na0  4  0.2120  0.2893  0.7534  1
  Na  Na1  4  0.2637  0.1975  0.2439  1
  Na  Na2  1  0.0000  0.0000  0.6612  1
  Na  Na3  1  0.5000  0.5000  0.3285  1
  Na  Na4  1  0.5000  0.5000  0.8348  1
  Zn  Zn5  1  0.0000  0.5000  0.2601  1
  Zn  Zn6  1  0.5000  0.0000  0.7366  1
  O  O7  2  0.0000  0.2688  0.4513  1
  O  O8  2  0.2434  0.5000  0.0686  1
  O  O9  2  0.2613  0.0000  0.9104  1
  O  O10  2  0.5000  0.2437  0.5574  1
]