data_global _chemical_name_mineral 'Sinoite' loop_ _publ_author_name 'Billy M' 'Labbe J' 'Selvaraj A' 'Roult G' _journal_name_full 'Materials Research Bulletin' _journal_volume 15 _journal_year 1980 _journal_page_first 1207 _journal_page_last 1213 _publ_section_title ; Modifications structurales de l'oxynitrure de silicium sous contraintes thermiques _cod_database_code 1001780 ; _database_code_amcsd 0014288 _chemical_formula_sum 'Si2 O N2' _cell_length_a 8.869 _cell_length_b 5.493 _cell_length_c 4.849 _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 0.18080 0.15300 0.26900 O1 0.00000 0.21250 0.23000 N1 0.21770 0.12640 0.62400