data_global _chemical_name_mineral 'Sinoite' loop_ _publ_author_name 'Baraton M' 'Billy M' 'Labbe J' 'Quintard P' 'Roult G' _journal_name_full 'Materials Research Bulletin' _journal_volume 23 _journal_year 1988 _journal_page_first 1087 _journal_page_last 1099 _publ_section_title ; L'Oxynitrure de Silicium : Si2 N2 O II. Evolution Structurale et Endommagement par Irradiation aux Neutrons Rapides _cod_database_code 1001785 ; _database_code_amcsd 0014334 _chemical_formula_sum 'Si2 O N2' _cell_length_a 8.8709 _cell_length_b 5.4907 _cell_length_c 4.8500 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 236.231 _exptl_crystal_density_diffrn 2.817 _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 Si1 0.18000 0.15450 0.27690 O1 0.00000 0.21500 0.23000 N1 0.21710 0.12680 0.62830