data_PCOD1150104
_publ_section_title
;
Structure prediction by GRINSP 2.00 - 2006 (A. Le Bail)
SiO2           PCOD1150104 R =  0.0240
Probable space group: P -4 M 2                            
;
_chemical_formula_sum  "Si O2"
_cell_formula_units_Z    1
_cell_length_a          2.7064
_cell_length_b          2.7064
_cell_length_c         19.9717
_cell_angle_alpha     90.000
_cell_angle_beta      90.000
_cell_angle_gamma     90.000
_cell_volume           146.28
_symmetry_space_group_name_H-M   "P 1"
_symmetry_Int_Tables_number  1
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Si1      0.48002   0.50164  -0.00103
O1      0.98007   0.50148  -0.04522
O2      0.48023   1.00160   0.04321
#
#_symmetry_space_group_name_H-M  P -4 M 2                            
#_symmetry_Int_Tables_number  115
#
#   Starting Wyckoff positions:
#
#    1     1b     0.5000   0.5000   0.0000
#
#   Coordination Sequence :
#
# PCOD1150104 SiO2            R =  0.0240  115
#   1
#   1
#    4   8  12  16   0   0   0   0   0   0
#
#_framework_density    6.84
#
