data_global
_chemical_name_mineral 'Sinoite'
loop_
_publ_author_name
'Idrestedt I'
'Brosset C'
_journal_name_full 'Acta Chemica Scandinavica'
_journal_volume 18 
_journal_year 1964
_journal_page_first 1879
_journal_page_last 1886
_publ_section_title
;
 Structure of Si2N2O
;
_database_code_amcsd 0011899
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Si2 N2 O'
_cell_length_a 8.843
_cell_length_b 5.473
_cell_length_c 4.835
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 234.003
_exptl_crystal_density_diffrn      2.844
_symmetry_space_group_name_H-M 'C m c 21'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  'x,-y,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '-x,y,z'
  '1/2-x,1/2+y,z'
  '-x,-y,1/2+z'
  '1/2-x,1/2-y,1/2+z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Si   0.17630   0.15090   0.28980   0.00532
N   0.21800   0.12100   0.64200   0.01950
O   0.00000   0.21400   0.23000   0.00443