#------------------------------------------------------------------------------ #$Date: 2022-10-03 15:40:12 +0100 (Mon, 03 Oct 2022) $ #$Revision: 278324 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/08/2100893.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_2100893 loop_ _publ_author_name 'Koh, L.-L.' 'Lam, Y.' 'Sim, K. Y.' 'Huang, H. H.' _publ_section_title ; Structures of meso- and (+-)-1,2-dinitro-1,2-diphenylethane and 2,3-dinitro-2,3-diphenylbutane ; _journal_issue 1 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 116 _journal_page_last 123 _journal_paper_doi 10.1107/S0108768192007328 _journal_volume 49 _journal_year 1993 _chemical_formula_sum 'C14 H12 N2 O4' _chemical_formula_weight 272.3 _space_group_IT_number 14 _space_group_name_Hall '-P 2yn' _space_group_name_H-M_alt 'P 1 21/n 1' _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _cell_angle_alpha 90 _cell_angle_beta 90.51(2) _cell_angle_gamma 90 _cell_formula_units_Z 2 _cell_length_a 5.597(3) _cell_length_b 8.185(4) _cell_length_c 14.389(6) _cell_volume 659.2(6) _diffrn_radiation_type Mo _diffrn_radiation_wavelength 0.71069 _exptl_absorpt_coefficient_mu 0.096 _exptl_crystal_density_diffrn 1.372 _exptl_crystal_F_000 284 _cod_data_source_file hl1009.cif _cod_data_source_block hl1009a _cod_database_code 2100893 loop_ _space_group_symop_id _space_group_symop_operation_xyz 1 x,y,z 2 -x+1/2,y+1/2,-z+1/2 3 -x,-y,-z 4 x+1/2,-y+1/2,z+1/2 loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv N1 .1698(6) -.1986(3) .0003(2) .0650(10) O1 .0414(5) -.3120(3) -.0031(3) .1080(10) O2 .3824(5) -.2035(3) .0002(2) .0970(10) C1 .1026(15) -.0213(12) .0312(7) .055(2) C1X -.030(3) -.070(2) .0311(13) .054(4) C1Y .103(3) -.022(2) -.0323(12) .053(4) C1Z -.029(5) -.070(3) -.0338(19) .058(6) C11 .0091(8) -.0073(5) .1339(3) .087(2) C12 -.1716(7) -.0818(5) .1811(3) .087(2) C13 -.1763(7) -.0816(5) .2746(3) .084(2) C14 -.0010(8) -.055(5) .3240(3) .083(2) C15 .1781(7) .0693(4) .2775(3) .085(2) C16 .1844(7) .0684(4) .1846(3) .088(2) loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle O1 N1 C1 126.6(4) O1 N1 C1X 95.8(7) O1 N1 C1Y 124.9(6) O1 N1 C1Z 94.7(10) C12 C11 C1 133.3(5) C12 C11 C1X 102.8(7) C12 C11 C1Y 103.7(6) C12 C11 C1Z 133.7(10) O1 N1 O2 125.8(3) O2 N1 C1 105.9(4) O2 N1 C1X 136.4(7) O2 N1 C1Y 105.5(6) O2 N1 C1Z 135.4(10) C16 C11 C1 106.9(5) C16 C11 C1X 137.9(7) C16 C11 C1Y 133.7(7) C16 C11 C1Z 104.4(10) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance C1 C1A 1.493(18) C1Y C1YA 1.53(3) C1 C11 1.577(10) C1Y C11A 1.604(17) N1 C1 1.564(10) N1 C1Y 1.562(17) N1 O1 1.174(4) C1X C1XA 1.50(4) C1Z C1ZA 1.54(6) C1X C11 1.581(19) C1Z C11A 1.579(17) N1 C1X 1.599(18) N1 C1Z 1.61(3) N1 O2 1.191(4)