data_[Mg4Zn4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [Pna2_1]
_cell_length_a [5.7117]
_cell_length_b [6.5665]
_cell_length_c [5.2324]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [33]
_chemical_formula_structural [MgZnO2]
_chemical_formula_sum '[Mg4 Zn4 O8]'
_cell_volume [196.2490]
_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
[
  Mg  Mg0  4  0.0870  0.1249  0.0016  1.0
  Zn  Zn1  4  0.0829  0.6251  0.0015  1.0
  O  O2  4  0.0823  0.1224  0.3833  1.0
  O  O3  4  0.0825  0.6274  0.3866  1.0
]