data_[Zn8Si4H4O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zn  1.6500  1.3500  0.8800
  Si  1.9000  1.1000  0.5400
  H  2.2000  0.2500  0.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [9.7074]
_cell_length_b [11.0155]
_cell_length_c [5.1720]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.9792]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [Zn4Si2H2O9]
_chemical_formula_sum '[Zn8 Si4 H4 O18]'
_cell_volume [469.1209]
_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
[
  Zn  Zn0  4  0.2157  0.1570  0.2151  1.0
  Zn  Zn1  4  0.2928  0.3421  0.7913  1.0
  Si  Si2  4  0.0027  0.1430  0.5103  1.0
  H  H3  2  0.1547  0.5000  0.9079  1.0
  H  H4  2  0.4391  0.0000  0.4591  1.0
  O  O5  4  0.0033  0.1597  0.1961  1.0
  O  O6  4  0.1626  0.2067  0.8005  1.0
  O  O7  4  0.3334  0.3020  0.4648  1.0
  O  O8  2  0.0066  0.0000  0.6042  1.0
  O  O9  2  0.1794  0.5000  0.7480  1.0
  O  O10  2  0.3205  0.0000  0.3613  1.0
]