data_[Zn8As4H4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  As  2.1800  1.1500  0.6600
  H  2.2000  0.2500  0.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pnnm]
_cell_length_a [8.2430]
_cell_length_b [8.5374]
_cell_length_c [6.0714]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [58]
_chemical_formula_structural [Zn2AsHO5]
_chemical_formula_sum '[Zn8 As4 H4 O20]'
_cell_volume [427.2718]
_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
[
  Zn  Zn0  4  0.0000  0.0000  0.2527  1
  Zn  Zn1  4  0.1353  0.6357  0.5000  1
  As  As2  4  0.2470  0.7519  0.0000  1
  H  H3  4  0.2205  0.9166  0.5000  1
  O  O4  8  0.2303  0.1304  0.2760  1
  O  O5  4  0.0631  0.8471  0.0000  1
  O  O6  4  0.1065  0.3940  0.5000  1
  O  O7  4  0.1117  0.8711  0.5000  1
]