#------------------------------------------------------------------------------ #$Date: 2025-08-19 11:01:59 +0100 (Tue, 19 Aug 2025) $ #$Revision: 301802 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/10/2101059.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_2101059 loop_ _publ_author_name 'Tonogaki, M.' 'Kawata, T.' 'Ohba, S.' 'Iwata, Y.' 'Shibuya, I.' _publ_section_title ; Electron-density distribution in crystals of p-nitrobenzene derivatives ; _journal_issue 6 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 1031 _journal_page_last 1039 _journal_paper_doi 10.1107/S0108768193005130 _journal_volume 49 _journal_year 1993 _chemical_formula_moiety 'C7 H5 N1 O4' _chemical_formula_sum 'C7 H5 N O4' _chemical_formula_weight 167.1 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-A 2ya' _symmetry_space_group_name_H-M 'A 1 2/a 1' _cell_angle_alpha 90. _cell_angle_beta 97.072(8) _cell_angle_gamma 90. _cell_formula_units_Z 8 _cell_length_a 12.8570(10) _cell_length_b 5.0272(2) _cell_length_c 20.997(2) _cell_volume 1346.81(18) _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.70926 _exptl_absorpt_coefficient_mu 0.13 _exptl_crystal_density_diffrn 1.65 _cod_data_source_file as0633.cif _cod_data_source_block as0633b _cod_original_cell_volume 1346.8(2) _cod_original_formula_sum 'C7 H5 N1 O4' _cod_database_code 2101059 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z O(1) .54615(3) .24345(9) .04750(2) O(2) .37692(3) .15392(9) .01501(2) O(3) .38294(4) 1.18395(11) .25303(3) O(4) .22730(4) 1.17915(9) .19921(3) N .31834(4) 1.10042(8) .20978(2) C(1) .41549(3) .50094(9) .08992(2) C(2) .49063(3) .64648(9) .12938(2) C(3) .45925(3) .84384(9) .16940(2) C(4) .35234(3) .89143(8) .16796(2) C(5) .27619(3) .75167(10) .12888(2) C(6) .30849(3) .55278(9) .08961(2) C(7) .45230(3) .28804(8) .04891(2) H(0) .4063(9) .012(2) -.0092(6) H(2) .5627(7) .6134(19) .1281(5) H(3) .5100(7) .9440(18) .1964(4) H(5) .2038(7) .786(2) .1296(5) H(6) .2570(8) .4535(19) .0620(5) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle O(3) N O(4) 124.48(5) O(3) N C(4) 117.57(5) O(4) N C(4) 117.95(4) C(2) C(1) C(6) 120.80(4) C(2) C(1) C(7) 118.26(4) C(6) C(1) C(7) 120.94(4) C(1) C(2) C(3) 120.00(4) C(2) C(3) C(4) 117.93(4) N C(4) C(3) 118.39(4) N C(4) C(5) 118.35(4) C(3) C(4) C(5) 123.26(4) C(4) C(5) C(6) 118.27(4) C(1) C6) C(5) 119.73(4) O(1) C(7) O(2) 123.54(4) O(1) C(7) C(1) 121.85(4) O(2) C(7) C(1) 114.61(4) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance O(1) C(7) 1.2312(6) O(2) C(7) 1.3155(6) O(3) N 1.2268(7) O(4) N 1.2296(7) N C(4) 1.4698(6) C(1) C(2) 1.3993(6) C(1) C(6) 1.3994(6) C(1) C(7) 1.4870(6) C(2) C(3) 1.3917(6) C(3) C(4) 1.3918(6) C(4) C(5) 1.3884(6) C(5) C(6) 1.3915(6) O(2) H(0) 0.980(10) O(2) O(1) 2.6479(6) loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 6108