[CIF]
data_SiO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.96742100
_cell_length_b   6.96742100
_cell_length_c   6.47197600
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SiO2
_chemical_formula_sum   'Si5 O10'
_cell_volume   314.18178621
_cell_formula_units_Z   5
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  0.00000000  1.87714166  4.00688448  1
  Si  Si1  1  5.09027934  0.00000000  2.46509152  1
  Si  Si2  1  1.87714166  0.00000000  2.46509152  1
  Si  Si3  1  0.00000000  5.09027934  4.00688448  1
  Si  Si4  1  0.00000000  0.00000000  0.00000000  1
  O  O5  1  0.00000000  1.33962604  5.54439298  1
  O  O6  1  5.62779496  0.00000000  0.92758302  1
  O  O7  1  1.33962604  0.00000000  0.92758302  1
  O  O8  1  0.00000000  5.62779496  5.54439298  1
  O  O9  1  1.33737556  1.33737556  3.23598800  1
  O  O10  1  5.63004544  1.33737556  3.23598800  1
  O  O11  1  1.33737556  5.63004544  3.23598800  1
  O  O12  1  5.63004544  5.63004544  3.23598800  1
  O  O13  1  0.00000000  3.48371050  4.00925322  1
  O  O14  1  3.48371050  0.00000000  2.46272278  1
[/CIF]
