data_[Na2Mg2Zn2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [6.5610]
_cell_length_b [5.7637]
_cell_length_c [5.8196]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.6983]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [NaMgZnO2]
_chemical_formula_sum '[Na2 Mg2 Zn2 O4]'
_cell_volume [201.5154]
_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  2  0.5000  0.2338  0.7500  1
  Mg  Mg1  2  0.0000  0.4988  0.2500  1
  Zn  Zn2  2  0.0000  0.0000  0.0000  1
  O  O3  4  0.1298  0.2978  0.5597  1
]