data_[Na4Sr12Zn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.6578]
_cell_length_b [9.3287]
_cell_length_c [13.9647]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.4948]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Na2Sr6Zn]
_chemical_formula_sum '[Na4 Sr12 Zn2]'
_cell_volume [850.6421]
_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
[
  Na  Na0  4  0.3475  0.6108  0.2496  1.0
  Sr  Sr1  4  0.1161  0.5277  0.7448  1.0
  Sr  Sr2  4  0.1867  0.1855  0.5462  1.0
  Sr  Sr3  4  0.4074  0.6822  0.5472  1.0
  Zn  Zn4  2  0.5000  0.0000  0.5000  1.0
]