#------------------------------------------------------------------------------ #$Date: 2025-08-19 11:43:10 +0100 (Tue, 19 Aug 2025) $ #$Revision: 301803 $ #$URL: svn://www.crystallography.net/cod/cif/2/20/49/2204947.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_2204947 loop_ _publ_author_name 'Chen-Xia Yu' 'Da-Qing Shi' 'Xiang-Shan Wang' 'Qi-Ya Zhuang' _publ_section_title 3-Amino-1-(3,4-methylenedioxyphenyl)-9-methoxy-5,6-dihydro-1H-benzo[f]chromene-2-carbonitrile _journal_issue 1 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first o84 _journal_page_last o86 _journal_paper_doi 10.1107/S1600536804032039 _journal_volume 61 _journal_year 2005 _chemical_formula_iupac 'C22 H18 N2 O4' _chemical_formula_moiety 'C22 H18 N2 O4' _chemical_formula_sum 'C22 H18 N2 O4' _chemical_formula_weight 374.38 _chemical_melting_point 503.0(10) _chemical_name_systematic ; 3-Amino-1-(3,4-methylenedioxyphenyl)-9-methoxy-5,6-dihydro-1H- benzo[f]chromene-2-carbonitrile ; _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _cell_angle_alpha 90.00 _cell_angle_beta 92.512(9) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 10.2770(10) _cell_length_b 6.9852(5) _cell_length_c 25.695(3) _cell_measurement_reflns_used 34 _cell_measurement_temperature 299(2) _cell_measurement_theta_max 13.15 _cell_measurement_theta_min 5.59 _cell_volume 1842.8(3) _computing_cell_refinement XSCANS _computing_data_collection 'XSCANS (Siemens, 1994)' _computing_data_reduction 'SHELXTL (Sheldrick, 1997)' _computing_molecular_graphics SHELXTL _computing_publication_material SHELXTL _computing_structure_refinement SHELXTL _computing_structure_solution SHELXTL _diffrn_ambient_temperature 299(2) _diffrn_measured_fraction_theta_full 1.000 _diffrn_measured_fraction_theta_max 1.000 _diffrn_measurement_device_type 'Siemens P4' _diffrn_measurement_method '\w scans' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'normal-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0114 _diffrn_reflns_av_sigmaI/netI 0.0438 _diffrn_reflns_limit_h_max 12 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 8 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 30 _diffrn_reflns_limit_l_min -30 _diffrn_reflns_number 3993 _diffrn_reflns_theta_full 25.25 _diffrn_reflns_theta_max 25.25 _diffrn_reflns_theta_min 1.59 _diffrn_standards_decay_% 4.22 _diffrn_standards_interval_count 97 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.094 _exptl_absorpt_correction_type none _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.349 _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 784 _exptl_crystal_size_max 0.56 _exptl_crystal_size_mid 0.38 _exptl_crystal_size_min 0.24 _refine_diff_density_max 0.148 _refine_diff_density_min -0.119 _refine_ls_extinction_coef 0.0121(9) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method SHELXL _refine_ls_goodness_of_fit_ref 0.861 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 255 _refine_ls_number_reflns 3336 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 0.861 _refine_ls_R_factor_all 0.0637 _refine_ls_R_factor_gt 0.0354 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0419P)^2^] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0759 _refine_ls_wR_factor_ref 0.0824 _reflns_number_gt 2127 _reflns_number_total 3336 _reflns_threshold_expression >2\s(I) _cod_data_source_file ob6452.cif _cod_data_source_block I _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius The following automatic conversions were performed: '_chemical_melting_point' value '502-504' was changed to '503.0(10)' - the average value was taken and precision was estimated. Automatic conversion script Id: cif_fix_values 1646 2011-03-28 12:23:43Z adriana The following automatic conversions were performed: '_chemical_melting_point' value '502-504' was changed to '503.0(10)' - the average value was taken and precision was estimated. '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana ; _cod_original_sg_symbol_H-M 'P 21/c' _cod_database_code 2204947 _cod_database_fobs_code 2204947 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -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 _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_type_symbol O1 0.56034(10) 0.41831(15) 0.41235(4) 0.0465(3) Uani d . 1 O O2 -0.14994(10) 0.37739(18) 0.45876(5) 0.0557(3) Uani d . 1 O O3 0.01292(11) 0.15261(17) 0.45358(5) 0.0556(4) Uani d . 1 O O4 0.11119(14) 0.5291(2) 0.18618(5) 0.0825(5) Uani d . 1 O N1 0.37050(14) 1.0042(2) 0.46110(6) 0.0570(4) Uani d . 1 N N2 0.61707(13) 0.6404(2) 0.47042(5) 0.0530(4) Uani d . 1 N H20A 0.6085 0.7463 0.4870 0.064 Uiso calc R 1 H H20B 0.6830 0.5676 0.4775 0.064 Uiso calc R 1 H C1 0.49146(15) 0.3574(2) 0.36761(6) 0.0379(4) Uani d . 1 C C2 0.55403(16) 0.1867(2) 0.34515(7) 0.0471(4) Uani d . 1 C H2A 0.5898 0.1061 0.3730 0.056 Uiso calc R 1 H H2B 0.6250 0.2267 0.3240 0.056 Uiso calc R 1 H C3 0.45527(18) 0.0747(2) 0.31212(7) 0.0526(5) Uani d . 1 C H3A 0.5008 -0.0146 0.2905 0.063 Uiso calc R 1 H H3B 0.4012 0.0010 0.3348 0.063 Uiso calc R 1 H C4 0.36961(17) 0.2008(2) 0.27789(6) 0.0454(4) Uani d . 1 C C5 0.3239(2) 0.1447(3) 0.22867(7) 0.0630(6) Uani d . 1 C H5 0.3512 0.0282 0.2154 0.076 Uiso calc R 1 H C6 0.2395(2) 0.2559(3) 0.19897(8) 0.0696(6) Uani d . 1 C H6 0.2114 0.2153 0.1659 0.084 Uiso calc R 1 H C7 0.19654(18) 0.4272(3) 0.21809(7) 0.0557(5) Uani d . 1 C C8 0.24169(15) 0.4893(3) 0.26707(6) 0.0459(4) Uani d . 1 C H8 0.2131 0.6055 0.2801 0.055 Uiso calc R 1 H C9 0.32992(15) 0.3777(2) 0.29684(6) 0.0375(4) Uani d . 1 C C10 0.38564(15) 0.4454(2) 0.34771(6) 0.0338(4) Uani d . 1 C C11 0.32353(14) 0.6093(2) 0.37555(5) 0.0332(4) Uani d . 1 C H11 0.3077 0.7122 0.3501 0.040 Uiso calc R 1 H C12 0.41888(14) 0.6846(2) 0.41745(6) 0.0339(4) Uani d . 1 C C13 0.52743(15) 0.5888(2) 0.43344(6) 0.0375(4) Uani d . 1 C C14 0.19213(14) 0.5536(2) 0.39694(5) 0.0324(4) Uani d . 1 C C15 0.09305(16) 0.6861(2) 0.39950(6) 0.0442(4) Uani d . 1 C H15 0.1064 0.8093 0.3871 0.053 Uiso calc R 1 H C16 -0.02645(16) 0.6412(3) 0.42019(6) 0.0485(5) Uani d . 1 C H16 -0.0919 0.7323 0.4226 0.058 Uiso calc R 1 H C17 -0.04278(15) 0.4586(2) 0.43662(6) 0.0402(4) Uani d . 1 C C18 -0.12318(17) 0.1774(3) 0.46057(8) 0.0608(5) Uani d . 1 C H18A -0.1735 0.1116 0.4332 0.073 Uiso calc R 1 H H18B -0.1464 0.1249 0.4939 0.073 Uiso calc R 1 H C19 0.05449(15) 0.3242(2) 0.43385(6) 0.0362(4) Uani d . 1 C C20 0.17263(14) 0.3668(2) 0.41509(6) 0.0349(4) Uani d . 1 C H20 0.2383 0.2753 0.4143 0.042 Uiso calc R 1 H C21 0.0506(2) 0.6920(4) 0.20610(8) 0.0927(8) Uani d . 1 C H21A 0.0093 0.6590 0.2377 0.111 Uiso calc R 1 H H21B -0.0137 0.7386 0.1810 0.111 Uiso calc R 1 H H21C 0.1146 0.7896 0.2132 0.111 Uiso calc R 1 H C22 0.39242(15) 0.8605(2) 0.44185(6) 0.0385(4) Uani d . 1 C loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 O1 0.0471(7) 0.0381(7) 0.0535(7) 0.0103(6) -0.0070(6) -0.0106(6) O2 0.0341(7) 0.0606(9) 0.0732(8) 0.0057(6) 0.0124(6) -0.0018(7) O3 0.0421(7) 0.0474(8) 0.0788(9) 0.0027(6) 0.0202(6) 0.0115(7) O4 0.0798(10) 0.1126(13) 0.0530(8) 0.0154(10) -0.0208(8) -0.0142(9) N1 0.0554(10) 0.0467(10) 0.0672(10) 0.0145(8) -0.0140(8) -0.0188(9) N2 0.0439(8) 0.0511(9) 0.0626(10) 0.0133(8) -0.0144(7) -0.0178(8) C1 0.0408(9) 0.0348(9) 0.0384(9) -0.0021(8) 0.0070(8) -0.0039(8) C2 0.0500(10) 0.0366(10) 0.0555(11) 0.0061(9) 0.0131(9) -0.0031(8) C3 0.0694(12) 0.0341(10) 0.0554(11) -0.0009(10) 0.0172(10) -0.0085(9) C4 0.0545(11) 0.0411(10) 0.0415(10) -0.0083(9) 0.0121(8) -0.0088(8) C5 0.0747(14) 0.0582(13) 0.0567(12) -0.0055(12) 0.0102(11) -0.0245(11) C6 0.0754(15) 0.0855(16) 0.0475(12) -0.0082(13) -0.0033(11) -0.0261(12) C7 0.0520(12) 0.0724(14) 0.0422(10) -0.0075(11) -0.0022(9) -0.0067(10) C8 0.0482(10) 0.0502(11) 0.0395(10) -0.0053(9) 0.0050(8) -0.0075(8) C9 0.0407(9) 0.0379(9) 0.0344(8) -0.0057(8) 0.0087(7) -0.0032(8) C10 0.0388(9) 0.0303(8) 0.0329(8) -0.0034(8) 0.0084(7) -0.0010(7) C11 0.0390(9) 0.0287(8) 0.0315(8) 0.0019(7) -0.0004(7) 0.0014(7) C12 0.0370(9) 0.0283(9) 0.0365(9) 0.0034(7) 0.0014(7) -0.0019(7) C13 0.0396(9) 0.0326(9) 0.0402(9) 0.0018(8) 0.0019(8) -0.0046(8) C14 0.0333(9) 0.0333(9) 0.0300(8) 0.0051(7) -0.0029(7) -0.0021(7) C15 0.0458(10) 0.0347(10) 0.0518(10) 0.0091(8) -0.0015(8) 0.0022(8) C16 0.0379(10) 0.0485(11) 0.0590(11) 0.0188(9) -0.0002(8) -0.0037(9) C17 0.0298(9) 0.0499(11) 0.0409(9) 0.0053(9) 0.0002(7) -0.0048(8) C18 0.0427(11) 0.0625(14) 0.0781(14) -0.0016(10) 0.0134(10) -0.0004(11) C19 0.0350(9) 0.0369(10) 0.0367(9) 0.0033(8) 0.0019(7) 0.0000(7) C20 0.0329(8) 0.0338(9) 0.0380(9) 0.0102(7) 0.0012(7) -0.0007(8) C21 0.0877(17) 0.119(2) 0.0695(15) 0.0338(17) -0.0200(13) -0.0035(15) C22 0.0353(9) 0.0392(10) 0.0404(9) 0.0030(8) -0.0060(7) -0.0008(8) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0033 0.0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' N N 0.0061 0.0033 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' 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 C13 O1 C1 118.17(13) y C17 O2 C18 105.04(13) ? C19 O3 C18 105.19(12) ? C7 O4 C21 118.97(15) ? C13 N2 H20A 120.0 ? C13 N2 H20B 120.0 ? H20A N2 H20B 120.0 ? C10 C1 O1 123.63(14) y C10 C1 C2 125.61(15) ? O1 C1 C2 110.74(13) ? C1 C2 C3 110.03(14) ? C1 C2 H2A 109.7 ? C3 C2 H2A 109.7 ? C1 C2 H2B 109.7 ? C3 C2 H2B 109.7 ? H2A C2 H2B 108.2 ? C4 C3 C2 112.74(14) ? C4 C3 H3A 109.0 ? C2 C3 H3A 109.0 ? C4 C3 H3B 109.0 ? C2 C3 H3B 109.0 ? H3A C3 H3B 107.8 ? C5 C4 C9 118.44(17) ? C5 C4 C3 122.32(16) ? C9 C4 C3 119.19(15) ? C6 C5 C4 121.89(18) ? C6 C5 H5 119.1 ? C4 C5 H5 119.1 ? C5 C6 C7 120.00(18) ? C5 C6 H6 120.0 ? C7 C6 H6 120.0 ? O4 C7 C6 116.43(17) ? O4 C7 C8 123.87(18) ? C6 C7 C8 119.69(19) ? C7 C8 C9 120.23(17) ? C7 C8 H8 119.9 ? C9 C8 H8 119.9 ? C4 C9 C8 119.69(15) ? C4 C9 C10 118.88(15) ? C8 C9 C10 121.41(14) ? C1 C10 C9 117.97(14) ? C1 C10 C11 121.62(14) ? C9 C10 C11 120.41(13) ? C10 C11 C12 109.06(12) ? C10 C11 C14 112.10(12) ? C12 C11 C14 112.70(12) ? C10 C11 H11 107.6 ? C12 C11 H11 107.6 ? C14 C11 H11 107.6 ? C13 C12 C22 118.00(14) ? C13 C12 C11 122.91(13) ? C22 C12 C11 119.07(13) ? N2 C13 C12 127.89(15) y N2 C13 O1 110.05(14) y C12 C13 O1 122.06(14) ? C15 C14 C20 119.46(14) ? C15 C14 C11 120.74(14) ? C20 C14 C11 119.80(13) ? C14 C15 C16 122.07(16) ? C14 C15 H15 119.0 ? C16 C15 H15 119.0 ? C17 C16 C15 116.94(16) ? C17 C16 H16 121.5 ? C15 C16 H16 121.5 ? C16 C17 C19 121.70(16) ? C16 C17 O2 128.70(15) ? C19 C17 O2 109.59(14) ? O2 C18 O3 107.67(14) ? O2 C18 H18A 110.2 ? O3 C18 H18A 110.2 ? O2 C18 H18B 110.2 ? O3 C18 H18B 110.2 ? H18A C18 H18B 108.5 ? C20 C19 C17 122.14(15) ? C20 C19 O3 128.14(14) ? C17 C19 O3 109.70(13) ? C19 C20 C14 117.66(14) ? C19 C20 H20 121.2 ? C14 C20 H20 121.2 ? O4 C21 H21A 109.5 ? O4 C21 H21B 109.5 ? H21A C21 H21B 109.5 ? O4 C21 H21C 109.5 ? H21A C21 H21C 109.5 ? H21B C21 H21C 109.5 ? N1 C22 C12 179.19(18) no loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag O1 C13 1.3572(17) y O1 C1 1.3902(18) y O2 C17 1.3830(19) ? O2 C18 1.424(2) ? O3 C19 1.3768(18) ? O3 C18 1.4286(19) ? O4 C7 1.373(2) ? O4 C21 1.405(2) ? N1 C22 1.1459(19) y N2 C13 1.3434(18) y N2 H20A 0.8600 ? N2 H20B 0.8600 ? C1 C10 1.332(2) y C1 C2 1.483(2) y C2 C3 1.512(2) ? C2 H2A 0.9700 ? C2 H2B 0.9700 ? C3 C4 1.502(2) ? C3 H3A 0.9700 ? C3 H3B 0.9700 ? C4 C5 1.387(2) ? C4 C9 1.395(2) ? C5 C6 1.370(3) ? C5 H5 0.9300 ? C6 C7 1.374(3) ? C6 H6 0.9300 ? C7 C8 1.392(2) ? C8 C9 1.398(2) ? C8 H8 0.9300 ? C9 C10 1.481(2) ? C10 C11 1.5066(19) ? C11 C12 1.518(2) y C11 C14 1.530(2) ? C11 H11 0.9800 ? C12 C13 1.350(2) ? C12 C22 1.411(2) y C14 C15 1.380(2) ? C14 C20 1.403(2) ? C15 C16 1.395(2) ? C15 H15 0.9300 ? C16 C17 1.357(2) ? C16 H16 0.9300 ? C17 C19 1.375(2) ? C18 H18A 0.9700 ? C18 H18B 0.9700 ? C19 C20 1.359(2) ? C20 H20 0.9300 ? C21 H21A 0.9600 ? C21 H21B 0.9600 ? C21 H21C 0.9600 ? loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_site_symmetry_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA N2 H20A N1 3_676 0.86 2.20 3.042(2) 167 N2 H20B O2 1_655 0.86 2.24 3.043(2) 155 loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion _geom_torsion_publ_flag C13 O1 C1 C10 -8.0(2) y C13 O1 C1 C2 170.51(13) no C10 C1 C2 C3 -24.9(2) ? O1 C1 C2 C3 156.55(14) no C1 C2 C3 C4 43.47(19) yes C2 C3 C4 C5 145.71(16) ? C2 C3 C4 C9 -37.0(2) ? C9 C4 C5 C6 -1.3(3) ? C3 C4 C5 C6 176.03(18) ? C4 C5 C6 C7 -0.9(3) ? C21 O4 C7 C6 171.61(19) ? C21 O4 C7 C8 -9.5(3) ? C5 C6 C7 O4 -179.33(18) ? C5 C6 C7 C8 1.7(3) ? O4 C7 C8 C9 -179.19(16) ? C6 C7 C8 C9 -0.3(3) ? C5 C4 C9 C8 2.7(2) ? C3 C4 C9 C8 -174.75(15) ? C5 C4 C9 C10 -175.60(15) ? C3 C4 C9 C10 7.0(2) ? C7 C8 C9 C4 -1.9(2) ? C7 C8 C9 C10 176.31(14) ? O1 C1 C10 C9 173.62(13) ? C2 C1 C10 C9 -4.7(2) ? O1 C1 C10 C11 -6.3(2) ? C2 C1 C10 C11 175.41(14) ? C4 C9 C10 C1 14.8(2) ? C8 C9 C10 C1 -163.41(15) ? C4 C9 C10 C11 -165.27(14) ? C8 C9 C10 C11 16.5(2) yes C1 C10 C11 C12 15.81(19) ? C9 C10 C11 C12 -164.08(13) ? C1 C10 C11 C14 -109.70(16) ? C9 C10 C11 C14 70.41(16) ? C10 C11 C12 C13 -13.54(19) ? C14 C11 C12 C13 111.63(16) ? C10 C11 C12 C22 167.91(13) ? C14 C11 C12 C22 -66.92(17) ? C22 C12 C13 N2 -0.5(2) no C11 C12 C13 N2 -179.07(15) no C22 C12 C13 O1 179.73(13) no C11 C12 C13 O1 1.2(2) y C1 O1 C13 N2 -169.32(13) no C1 O1 C13 C12 10.5(2) y C10 C11 C14 C15 -147.15(14) ? C12 C11 C14 C15 89.36(16) ? C10 C11 C14 C20 34.06(18) ? C12 C11 C14 C20 -89.43(16) ? C20 C14 C15 C16 0.7(2) ? C11 C14 C15 C16 -178.10(14) ? C14 C15 C16 C17 -1.7(2) ? C15 C16 C17 C19 1.0(2) ? C15 C16 C17 O2 179.47(15) ? C18 O2 C17 C16 170.82(18) ? C18 O2 C17 C19 -10.57(18) ? C17 O2 C18 O3 16.46(19) ? C19 O3 C18 O2 -16.18(19) ? C16 C17 C19 C20 0.7(3) ? O2 C17 C19 C20 -178.02(13) ? C16 C17 C19 O3 179.26(15) ? O2 C17 C19 O3 0.54(18) ? C18 O3 C19 C20 -171.84(16) ? C18 O3 C19 C17 9.71(18) ? C17 C19 C20 C14 -1.7(2) ? O3 C19 C20 C14 -179.99(14) ? C15 C14 C20 C19 1.0(2) ? C11 C14 C20 C19 179.82(13) ? C13 C12 C22 N1 138(13) no C11 C12 C22 N1 -44(13) no loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 ChemSpider 9478314 2 PubChem 139067341