data_4124064
_publ_section_title
;
 Chemical evaluation of hypothetical uninodal zeolites
;
_journal_name_full               'Journal of the American Chemical Society'
_journal_page_first              9769
_journal_page_last               9775
_journal_volume                  126
_journal_year                    2004
_chemical_formula_sum            'O2 Si'
_chemical_name_systematic        'Si O2'
_space_group_IT_number           68
_symmetry_space_group_name_Hall  'C 2 2 -1ac'
_symmetry_space_group_name_H-M   'C c c b :1'
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            16
_cell_length_a                   8.33168
_cell_length_b                   7.50371
_cell_length_c                   11.03365
_cell_volume                     689.807
_citation_journal_id_ASTM        JACSAT
_cod_data_source_file            Foster_JACSAT_2004_535.cif
_cod_data_source_block           O2Si1
_cod_cif_authors_sg_H-M          'C c c a :1'
_cod_cif_authors_sg_Hall         '-C 2a 2ac (x+1/2,y-1/4,z+1/4)'
_cod_original_cell_volume        689.8074
_cod_chemical_formula_sum_orig   'O2 Si1'
_cod_database_code               4124064
loop_
_symmetry_equiv_pos_as_xyz
x,y,z
-x+1/2,-y+1/2,z
x+1/2,-y+1/2,-z
-x,y,-z
-x,-y+1/2,-z+1/2
x-1/2,y,-z+1/2
-x-1/2,y,z+1/2
x,-y+1/2,z+1/2
x+1/2,y+1/2,z
-x+1,-y+1,z
x+1,-y+1,-z
-x+1/2,y+1/2,-z
-x+1/2,-y+1,-z+1/2
x,y+1/2,-z+1/2
-x,y+1/2,z+1/2
x+1/2,-y+1,z+1/2
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
_atom_site_U_iso_or_equiv
O1 O-2 0.75 0.75 0.87563 1 0.0
Si1 Si+4 0.56507 0.80115 0.87935 1 0.0
O2 O-2 0.5 0.75 0.75 1 0.0
O3 O-2 0.5 0.30277 0 1 0.0
O4 O-2 0.5 0 0.8961 1 0.0
