data_[Si10O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [6.7609]
_cell_length_b [6.7764]
_cell_length_c [12.1111]
_cell_angle_alpha [77.7787]
_cell_angle_beta [77.2076]
_cell_angle_gamma [69.7518]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [Si5O8]
_chemical_formula_sum '[Si10 O16]'
_cell_volume [502.0894]
_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
[
  Si  Si0  1  0.1651  0.1223  0.1435  1
  Si  Si1  1  0.2110  0.6272  0.4136  1
  Si  Si2  1  0.2930  0.2673  0.6105  1
  Si  Si3  1  0.3485  0.4885  0.7222  1
  Si  Si4  1  0.3685  0.7902  0.5893  1
  Si  Si5  1  0.5193  0.6389  0.2824  1
  Si  Si6  1  0.5275  0.2475  0.9413  1
  Si  Si7  1  0.7362  0.6998  0.3935  1
  Si  Si8  1  0.7526  0.4777  0.0547  1
  Si  Si9  1  0.8809  0.8336  0.8500  1
  O  O10  1  0.1361  0.4191  0.7103  1
  O  O11  1  0.2165  0.7833  0.5009  1
  O  O12  1  0.2403  0.3823  0.4827  1
  O  O13  1  0.2908  0.0223  0.6342  1
  O  O14  1  0.3591  0.1621  0.0404  1
  O  O15  1  0.4005  0.4466  0.8522  1
  O  O16  1  0.5089  0.3021  0.6382  1
  O  O17  1  0.5584  0.5902  0.1519  1
  O  O18  1  0.5857  0.8525  0.2943  1
  O  O19  1  0.6180  0.7527  0.5222  1
  O  O20  1  0.6741  0.3245  0.0004  1
  O  O21  1  0.6853  0.0582  0.8692  1
  O  O22  1  0.7043  0.4820  0.3658  1
  O  O23  1  0.8112  0.6574  0.9534  1
  O  O24  1  0.9585  0.3348  0.1158  1
  O  O25  1  0.9813  0.7052  0.3672  1
]