data_[Mg1Zn7O8]
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 [P3m1]
_cell_length_a [6.5871]
_cell_length_b [6.5871]
_cell_length_c [5.2870]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [156]
_chemical_formula_structural [MgZn7O8]
_chemical_formula_sum '[Mg1 Zn7 O8]'
_cell_volume [198.6718]
_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
[
  Mg  Mg0  1  0.3333  0.6667  0.5029  1.0
  Zn  Zn1  3  0.0007  0.5003  0.0001  1.0
  Zn  Zn2  3  0.3352  0.1676  0.5010  1.0
  Zn  Zn3  1  0.0000  0.0000  0.9992  1.0
  O  O4  3  0.0020  0.5010  0.6199  1.0
  O  O5  3  0.3333  0.1666  0.1197  1.0
  O  O6  1  0.0000  0.0000  0.6185  1.0
  O  O7  1  0.3333  0.6667  0.1252  1.0
]