#------------------------------------------------------------------------------ #$Date: 2025-08-18 23:52:38 +0100 (Mon, 18 Aug 2025) $ #$Revision: 301791 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/37/2003729.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_2003729 loop_ _publ_author_name 'Wang, X.' 'Wang, W.' 'Liu, H.-X.' 'Tan, M.-Y.' 'Li, M.' _publ_section_title ; A Derivative of 1,3,4-Oxadiazole ; _journal_issue 8 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1585 _journal_page_last 1587 _journal_paper_doi 10.1107/S010827019400510X _journal_volume 51 _journal_year 1995 _chemical_compound_source 'recrystallization from methanol' _chemical_formula_moiety 'C13 H9 Cl1 N4 O1' _chemical_formula_sum 'C13 H9 Cl N4 O' _chemical_formula_weight 272.70 _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _atom_type_scat_source IntTabIV _cell_angle_alpha 90. _cell_angle_beta 95.86(2) _cell_angle_gamma 90. _cell_formula_units_Z 4 _cell_length_a 7.080(2) _cell_length_b 14.245(1) _cell_length_c 12.072(3) _cell_measurement_reflns_used 25 _cell_measurement_temperature 294 _cell_measurement_theta_max 24 _cell_measurement_theta_min 12 _cell_volume 1211.2(5) _diffrn_measurement_device 'Enraf-Nonius CAD-4' _diffrn_measurement_method \w/2\q _diffrn_radiation_type CuK\a _diffrn_radiation_wavelength 1.5418 _diffrn_reflns_av_R_equivalents 0.036 _diffrn_reflns_limit_h_max 7 _diffrn_reflns_limit_h_min -7 _diffrn_reflns_limit_k_max 15 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 12 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 1687 _diffrn_reflns_theta_max 55 _diffrn_standards_decay_% 2 _diffrn_standards_interval_count 150 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 2.80 _exptl_absorpt_correction_T_max 1.00 _exptl_absorpt_correction_T_min 0.73 _exptl_absorpt_correction_type empirical _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.50 _exptl_crystal_density_meas 1.55 _exptl_crystal_description cubic _exptl_crystal_size_max 0.20 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.20 _refine_diff_density_max 0.44 _refine_diff_density_min -0.31 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_obs 1.88 _refine_ls_hydrogen_treatment 'All H-atom parameters refined with B~iso~ = 4 \%A^2^' _refine_ls_number_parameters 208 _refine_ls_number_reflns 1416 _refine_ls_R_factor_obs 0.052 _refine_ls_shift/esd_max 0.240 _refine_ls_structure_factor_coef F _refine_ls_weighting_details 'w = 4(F~o~)^2^/[\s(F~o~)^2^]^2^' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_obs 0.068 _reflns_number_observed 1416 _reflns_number_total 1610 _reflns_observed_criterion F>3\s(F) _cod_data_source_file ab1133.cif _cod_data_source_block ab1133a _cod_depositor_comments ; The following automatic conversions were performed: '_refine_ls_weighting_scheme' value '4(F~o~)^2^/[\s(F~o~)^2^]^2^' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w = 4(F~o~)^2^/[\s(F~o~)^2^]^2^'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_cell_volume 1211.1(5) _cod_original_sg_symbol_H-M 'P 21/n' _cod_original_formula_sum 'C13 H9 Cl1 N4 O1' _cod_database_code 2003729 loop_ _symmetry_equiv_pos_as_xyz x,y,z 1/2+x,1/2-y,1/2+z -x,-y,-z 1/2-x,1/2+y,1/2-z loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_22 _atom_site_aniso_U_23 _atom_site_aniso_U_33 Cl 0.0564(4) 0.0170(3) 0.0178(4) 0.0825(5) -0.0205(4) 0.0830(5) O 0.0395(8) -0.0024(7) 0.0154(7) 0.0390(8) 0.0013(8) 0.0596(9) N(1) 0.043(1) -0.0022(9) 0.0219(9) 0.039(1) -0.000(1) 0.070(1) N(2) 0.045(1) -0.0017(9) 0.023(1) 0.039(1) -0.002(1) 0.076(1) N(3) 0.048(1) -0.0020(9) 0.020(1) 0.040(1) -0.001(1) 0.074(1) N(4) 0.047(1) 0.0060(9) 0.010(1) 0.048(1) -0.003(1) 0.057(1) C(1) 0.043(1) 0.007(1) 0.007(1) 0.059(2) -0.002(1) 0.048(1) C(2) 0.055(1) 0.005(1) 0.008(1) 0.043(1) -0.005(1) 0.061(1) C(3) 0.051(1) -0.001(1) 0.009(1) 0.041(1) 0.000(1) 0.056(1) C(4) 0.040(1) 0.003(1) 0.007(1) 0.041(1) 0.001(1) 0.049(1) C(5) 0.040(1) 0.001(1) 0.010(1) 0.043(1) 0.002(1) 0.054(1) C(6) 0.046(1) -0.001(1) 0.011(1) 0.054(1) 0.001(1) 0.056(1) C(7) 0.037(1) 0.002(1) 0.011(1) 0.043(1) -0.000(1) 0.052(1) C(8) 0.039(1) -0.001(1) 0.007(1) 0.035(1) 0.002(1) 0.055(1) C(9) 0.042(1) 0.004(1) 0.004(1) 0.039(1) 0.002(1) 0.046(1) C(10) 0.045(1) -0.003(1) 0.014(1) 0.038(1) -0.002(1) 0.075(2) C(11) 0.046(1) 0.001(1) 0.016(1) 0.052(1) -0.002(1) 0.072(2) C(12) 0.050(1) -0.001(1) 0.007(1) 0.040(1) -0.003(1) 0.054(1) C(13) 0.043(1) -0.005(1) 0.009(1) 0.045(1) -0.001(1) 0.060(1) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_B_iso_or_equiv Cl .21670(9) .37971(5) .62385(6) 5.78(2) O 1.0275(2) .0828(1) .3501(1) 3.58(3) N(1) .8476(3) .1960(1) .4234(2) 3.92(4) N(2) .7629(3) .0333(1) .4153(2) 4.12(5) N(3) .8566(3) -.0432(1) .3736(2) 4.21(5) N(4) 1.4120(3) -.1760(1) .1859(2) 3.98(5) C(1) .4045(3) .3235(2) .5676(2) 3.94(5) C(2) .5592(4) .3746(2) .5434(2) 4.18(5) C(3) .7037(3) .3308(2) .4962(2) 3.87(5) C(4) .6947(3) .2353(2) .4732(2) 3.42(5) C(5) .5398(3) .1849(2) .5010(2) 3.58(3) C(6) .3941(3) .2287(2) .5480(2) 4.05(5) C(7) .8685(3) .1048(2) .3992(2) 3.43(5) C(8) 1.0081(3) -.0126(2) .3362(2) 3.40(5) C(9) 1.1499(3) -.0664(2) .2851(2) 3.33(5) C(10) 1.3163(3) -.0291(2) .2568(2) 4.13(6) C(11) 1.4418(3) -.0852(2) .2078(2) 4.42(6) C(12) 1.2507(3) -.2122(2) .2161(2) 3.79(5) C(13) 1.1173(3) -.1614(2) .2648(2) 3.87(5) H1N .417(4) .268(2) .894(2) 4.0 H2 .571(4) .439(2) .561(2) 4.0 H3 .813(4) .366(2) .480(2) 4.0 H5 .540(4) .120(2) .491(2) 4.0 H6 .289(4) .189(2) .570(2) 4.0 H10 .350(4) .034(2) .272(2) 4.0 H11 .439(4) .060(2) .813(2) 4.0 H12 .770(3) .276(2) .796(3) 4.0 H13 .489(3) .312(2) .221(2) 4.0 loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_publ_flag C(7) O C(8) 101.8(2) yes C(4) N(1) C(7) 125.7(3) yes N(3) N(2) C(7) 105.0(2) yes N(2) N(3) C(8) 107.9(2) yes C(11) N(4) C(12) 116.3(3) yes Cl C(1) C(2) 119.7(2) yes Cl C(1) C(6) 119.3(2) yes C(2) C(1) C(6) 121.0(2) yes C(1) C(2) C(3) 119.6(2) yes C(2) C(3) C(4) 120.5(2) yes N(1) C(4) C(3) 116.9(3) yes N(1) C(4) C(5) 124.3(2) yes C(3) C(4) C(5) 118.9(2) yes C(4) C(5) C(6) 120.8(2) yes C(1) C(6) C(5) 119.2(2) yes O C(7) N(1) 115.7(2) yes O C(7) N(2) 113.6(3) yes N(1) C(7) N(2) 130.8(2) yes O C(8) N(3) 111.8(3) yes O C(8) C(9) 120.6(2) yes N(3) C(8) C(9) 127.6(2) yes C(8) C(9) C(10) 123.6(2) yes C(8) C(9) C(13) 118.7(3) yes C(10) C(9) C(13) 117.8(2) yes C(9) C(10) C(11) 119.6(2) yes N(4) C(11) C(10) 123.6(2) yes N(4) C(12) C(13) 124.0(2) yes C(9) C(13) C(12) 118.7(2) yes loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag Cl C(1) 1.747(3) yes O C(7) 1.362(3) yes O C(8) 1.374(3) yes N(1) C(4) 1.408(4) yes N(1) C(7) 1.343(3) yes N(2) N(3) 1.397(3) yes N(2) C(7) 1.290(4) yes N(3) C(8) 1.282(3) yes N(4) C(11) 1.334(3) yes N(4) C(12) 1.337(3) yes C(1) C(2) 1.372(4) yes C(1) C(6) 1.372(4) yes C(2) C(3) 1.371(4) yes C(3) C(4) 1.389(3) yes C(4) C(5) 1.380(3) yes C(5) C(6) 1.377(3) yes C(8) C(9) 1.450(3) yes C(9) C(10) 1.367(3) yes C(9) C(13) 1.390(4) yes C(10) C(11) 1.373(4) yes C(12) C(13) 1.370(4) yes N(1) H1N 0.82(3) no C(2) H2 0.95(3) no C(3) H3 0.96(3) no C(5) H5 0.94(3) no C(6) H6 0.99(3) no C(10) H10 0.94(3) no C(11) H11 0.97(3) no C(12) H12 0.92(3) no C(13) H13 0.88(3) no loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 14044453