data_[Sr4Zn4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  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 [6.3514]
_cell_length_b [7.3215]
_cell_length_c [5.6310]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [33]
_chemical_formula_structural [SrZnO2]
_chemical_formula_sum '[Sr4 Zn4 O8]'
_cell_volume [261.8483]
_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
[
  Sr  Sr0  4  0.1225  0.1158  0.9899  1.0
  Zn  Zn1  4  0.0726  0.6301  0.0020  1.0
  O  O2  4  0.0241  0.6006  0.3517  1.0
  O  O3  4  0.1112  0.1488  0.4294  1.0
]