#------------------------------------------------------------------------------ #$Date: 2016-02-13 14:50:18 +0200 (Sat, 13 Feb 2016) $ #$Revision: 176428 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/10/60/2106069.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2106069 loop_ _publ_author_name 'Verschoor, G.C.' 'Keulen, E.' _publ_section_title ; Electron density distribution in cyanuric acid. I. An x-ray diffraction study at low temperature ; _journal_name_full 'Acta Crystallographica B (24,1968-38,1982)' _journal_page_first 134 _journal_page_last 145 _journal_volume 27 _journal_year 1971 _chemical_formula_sum 'C3 H3 N3 O3' _chemical_name_systematic '(C O)3 (N H)3' _space_group_IT_number 15 _symmetry_space_group_name_Hall '-A 2yab' _symmetry_space_group_name_H-M 'A 1 2/n 1' _cell_angle_alpha 90 _cell_angle_beta 130.69 _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 7.749 _cell_length_b 6.736 _cell_length_c 11.912 _cell_volume 471.459 _citation_journal_id_ASTM ACBCAR _cod_data_source_file Verschoor_ACBCAR_1971_1433.cif _cod_data_source_block C3H3N3O3 _cod_original_cell_volume 471.4588 _cod_original_sg_symbol_Hall '-C 2yc (z,y,-x+z)' _cod_database_code 2106069 loop_ _symmetry_equiv_pos_as_xyz x,y,z -x+1/2,y,-z+1/2 -x,-y,-z x-1/2,-y,z-1/2 x,y+1/2,z+1/2 -x+1/2,y+1/2,-z+1 -x,-y+1/2,-z+1/2 x-1/2,-y+1/2,z 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 O2 O-2 0.24281 0.01341 0.05672 1 0.0 N2 N-3 0.24447 0.30893 0.15034 1 0.0 H1 H+1 0.25 -0.122 0.25 1 0.0 C2 C+4 0.24524 0.10566 0.14617 1 0.0 O1 O-2 0.25 0.59856 0.25 1 0.0 N1 N-3 0.25 0.0114 0.25 1 0.0 C1 C+4 0.25 0.41797 0.25 1 0.0 H2 H+1 0.243 0.376 0.084 1 0.0