#------------------------------------------------------------------------------ #$Date: 2025-08-19 15:49:58 +0100 (Tue, 19 Aug 2025) $ #$Revision: 301806 $ #$URL: svn://www.crystallography.net/cod/cif/2/23/89/2238984.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_2238984 loop_ _publ_author_name 'Chelghoum, Meryem' 'Bouraiou, Abdelmalek' 'Bouacida, Sofiane' 'Bahnous, Mebarek' 'Belfaitah, Ali' _publ_section_title ; 2-p-Tolyl-2,3-dihydroquinolin-4(1H)-one ; _journal_coeditor_code LH5684 _journal_issue 2 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first o214 _journal_page_last o215 _journal_paper_doi 10.1107/S1600536814001676 _journal_volume 70 _journal_year 2014 _chemical_formula_iupac 'C16 H15 N O' _chemical_formula_moiety 'C16 H15 N O' _chemical_formula_sum 'C16 H15 N O' _chemical_formula_weight 237.29 _chemical_name_systematic ; 2-p-Tolyl-2,3-dihydroquinolin-4(1H)-one ; _space_group_IT_number 15 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_conform_dict_name cif_core.dic _audit_conform_dict_version 2.3 _audit_creation_method 'WinGX routine CIF_UPDATE' _cell_angle_alpha 90 _cell_angle_beta 103.260(3) _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 17.6363(14) _cell_length_b 10.7968(9) _cell_length_c 13.6308(9) _cell_measurement_reflns_used 2437 _cell_measurement_temperature 150(2) _cell_measurement_theta_max 27.46 _cell_measurement_theta_min 2.37 _cell_volume 2526.3(3) _computing_cell_refinement 'SAINT (Bruker, 2006)' _computing_data_collection 'APEX2 (Bruker, 2006)' _computing_data_reduction 'SAINT (Bruker, 2006)' _computing_molecular_graphics 'ORTEP-3 for Windows (Farrugia, 2012) and DIAMOND (Brandenburg & Berndt, 2001)' _computing_publication_material ; WinGX (Farrugia, 2012) and CRYSCAL (T. Roisnel, local program) ; _computing_structure_refinement 'SHELXL97 (Sheldrick, 2008)' _computing_structure_solution 'SIR2002 (Burla et al., 2005)' _diffrn_ambient_temperature 150(2) _diffrn_measured_fraction_theta_full 0.991 _diffrn_measured_fraction_theta_max 0.991 _diffrn_measurement_device_type 'Bruker APEXII' _diffrn_measurement_method 'CCD rotation images, thin slices' _diffrn_radiation_monochromator graphite _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0258 _diffrn_reflns_limit_h_max 22 _diffrn_reflns_limit_h_min -22 _diffrn_reflns_limit_k_max 10 _diffrn_reflns_limit_k_min -14 _diffrn_reflns_limit_l_max 10 _diffrn_reflns_limit_l_min -17 _diffrn_reflns_number 6746 _diffrn_reflns_theta_full 27.51 _diffrn_reflns_theta_max 27.51 _diffrn_reflns_theta_min 2.55 _exptl_absorpt_coefficient_mu 0.078 _exptl_absorpt_correction_T_max 0.979 _exptl_absorpt_correction_T_min 0.873 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details ; (SADABS; Sheldrick, 2002) ; _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.248 _exptl_crystal_density_method 'not measured' _exptl_crystal_description prism _exptl_crystal_F_000 1008 _exptl_crystal_size_max 0.52 _exptl_crystal_size_mid 0.33 _exptl_crystal_size_min 0.27 _refine_diff_density_max 0.691 _refine_diff_density_min -0.282 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.053 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 167 _refine_ls_number_reflns 2875 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.053 _refine_ls_R_factor_all 0.0669 _refine_ls_R_factor_gt 0.0529 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0758P)^2^+2.2919P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1427 _refine_ls_wR_factor_ref 0.1534 _reflns_number_gt 2279 _reflns_number_total 2875 _reflns_threshold_expression I>2\s(I) _iucr_refine_instructions_details ; TITL import in C 2/c CELL 0.71073 17.6363 10.7968 13.6308 90.000 103.260 90.000 ZERR 8.00 0.0014 0.0009 0.0009 0.000 0.003 0.000 LATT 7 SYMM - X, Y, 1/2 - Z SFAC C H N O UNIT 128 120 8 8 MERG 2 EQIV $1 x, -y, z-1/2 HTAB N1 O12_$1 FMAP 2 PLAN 20 ACTA BOND $H CONF LIST 4 WPDB -2 L.S. 4 TEMP -123.00 WGHT 0.075800 2.291900 FVAR 0.28373 C2 1 0.581137 0.128056 0.080765 11.00000 0.02827 0.02797 = 0.02357 -0.00070 0.00757 -0.00161 AFIX 13 H2 2 0.526355 0.097185 0.059556 11.00000 -1.20000 AFIX 0 C3 1 0.588213 0.246115 0.023620 11.00000 0.03628 0.02344 = 0.02132 -0.00218 0.01297 0.00019 C4 1 0.523410 0.296791 -0.039340 11.00000 0.02921 0.03484 = 0.03934 0.00198 0.00679 -0.00873 AFIX 43 H4 2 0.474419 0.256829 -0.046888 11.00000 -1.20000 AFIX 0 C5 1 0.528386 0.404540 -0.091630 11.00000 0.02911 0.03819 = 0.04130 0.00883 -0.00177 -0.00136 AFIX 43 H5 2 0.482423 0.437964 -0.133661 11.00000 -1.20000 AFIX 0 C6 1 0.598644 0.465608 -0.084627 11.00000 0.03410 0.02268 = 0.02566 -0.00030 0.00796 -0.00195 C7 1 0.604028 0.582613 -0.142655 11.00000 0.05204 0.02801 = 0.03947 0.00625 0.00844 -0.00343 AFIX 137 H7A 2 0.658672 0.608050 -0.131672 11.00000 -1.50000 H7B 2 0.573998 0.648270 -0.119409 11.00000 -1.50000 H7C 2 0.582920 0.567708 -0.214669 11.00000 -1.50000 AFIX 0 C8 1 0.664482 0.414104 -0.022091 11.00000 0.02371 0.03125 = 0.03005 -0.00403 0.00753 -0.00465 AFIX 43 H8 2 0.713595 0.453188 -0.016085 11.00000 -1.20000 AFIX 0 C9 1 0.659591 0.305987 0.031968 11.00000 0.02905 0.03315 = 0.02521 0.00085 0.00416 0.00690 AFIX 43 H9 2 0.705215 0.272732 0.074870 11.00000 -1.20000 AFIX 0 C10 1 0.600483 0.149011 0.194075 11.00000 0.04060 0.02670 = 0.01979 -0.00217 0.01095 0.00294 AFIX 23 H10A 2 0.650346 0.194751 0.213243 11.00000 -1.20000 H10B 2 0.559505 0.201766 0.211337 11.00000 -1.20000 AFIX 0 C11 1 0.607193 0.031699 0.255263 11.00000 0.03327 0.03144 = 0.01663 -0.00064 0.00718 0.00063 C13 1 0.632916 -0.079565 0.210136 11.00000 0.02550 0.02655 = 0.01789 -0.00053 0.00537 -0.00039 C14 1 0.646812 -0.190961 0.264118 11.00000 0.03533 0.03288 = 0.02097 0.00500 0.00740 0.00087 AFIX 43 H14 2 0.636506 -0.195643 0.329435 11.00000 -1.20000 AFIX 0 C15 1 0.675032 -0.293533 0.224521 11.00000 0.03376 0.02781 = 0.03154 0.00627 0.00630 0.00230 AFIX 43 H15 2 0.684254 -0.368399 0.261985 11.00000 -1.20000 AFIX 0 C16 1 0.689975 -0.286096 0.128286 11.00000 0.02766 0.02596 = 0.03390 -0.00268 0.00982 0.00139 AFIX 43 H16 2 0.709940 -0.356436 0.100730 11.00000 -1.20000 AFIX 0 C17 1 0.676242 -0.178598 0.072839 11.00000 0.02653 0.02768 = 0.02383 -0.00348 0.01004 -0.00210 AFIX 43 H17 2 0.686836 -0.175536 0.007620 11.00000 -1.20000 AFIX 0 C18 1 0.646604 -0.073035 0.111960 11.00000 0.01966 0.02362 = 0.01867 -0.00223 0.00466 -0.00411 N1 3 0.633369 0.033930 0.056257 11.00000 0.03130 0.02359 = 0.01594 -0.00130 0.00972 -0.00031 AFIX 2 H1N 2 0.628381 0.021918 -0.008454 11.00000 -1.20000 AFIX 0 O12 4 0.596066 0.033724 0.340957 11.00000 0.06947 0.04061 = 0.01888 0.00204 0.01860 0.01019 HKLF 4 REM import in C 2/c REM R1 = 0.0529 for 2279 Fo > 4sig(Fo) and 0.0669 for all 2875 data REM 167 parameters refined using 0 restraints END WGHT 0.0758 2.3019 REM Highest difference peak 0.691, deepest hole -0.282, 1-sigma level 0.049 Q1 1 0.6368 0.1493 0.1145 11.00000 0.05 0.69 Q2 1 0.6210 0.2817 0.0508 11.00000 0.05 0.37 Q3 1 0.6428 0.0174 0.3528 11.00000 0.05 0.29 Q4 1 0.6375 -0.0724 0.1632 11.00000 0.05 0.28 Q5 1 0.5553 0.5850 -0.1741 11.00000 0.05 0.26 Q6 1 0.5583 0.2832 0.0025 11.00000 0.05 0.26 Q7 1 0.6310 -0.0207 0.2332 11.00000 0.05 0.25 Q8 1 0.5957 0.0904 0.2221 11.00000 0.05 0.24 Q9 1 0.6476 -0.1236 0.2367 11.00000 0.05 0.23 Q10 1 0.6777 -0.2827 0.1731 11.00000 0.05 0.22 Q11 1 0.6450 -0.1302 0.0828 11.00000 0.05 0.22 Q12 1 0.5810 0.2002 0.0500 11.00000 0.05 0.22 Q13 1 0.6954 -0.2193 0.1164 11.00000 0.05 0.20 Q14 1 0.5622 0.4495 -0.0837 11.00000 0.05 0.20 Q15 1 0.6806 -0.2262 0.2529 11.00000 0.05 0.20 Q16 1 0.6770 0.3758 0.0336 11.00000 0.05 0.19 Q17 1 0.7072 -0.4563 0.2465 11.00000 0.05 0.18 Q18 1 0.5299 0.3551 -0.0551 11.00000 0.05 0.18 Q19 1 0.6205 0.4535 -0.0406 11.00000 0.05 0.18 Q20 1 0.6041 0.5199 -0.1113 11.00000 0.05 0.18 ; _cod_data_source_file lh5684sup1.cif _cod_data_source_block I _cod_original_sg_symbol_H-M 'C 2/c' _cod_database_code 2238984 _cod_database_fobs_code 2238984 loop_ _space_group_symop_operation_xyz 'x, y, z' '-x, y, -z+1/2' 'x+1/2, y+1/2, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y, z-1/2' '-x+1/2, -y+1/2, -z' 'x+1/2, -y+1/2, z-1/2' loop_ _atom_site_type_symbol _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_symmetry_multiplicity C C2 0.58114(9) 0.12806(16) 0.08077(12) 0.0263(4) Uani d . 1 1 H H2 0.5264 0.0972 0.0596 0.032 Uiso calc R 1 1 C C3 0.58821(10) 0.24612(15) 0.02362(12) 0.0260(4) Uani d . 1 1 C C4 0.52341(10) 0.29679(18) -0.03934(14) 0.0346(4) Uani d . 1 1 H H4 0.4744 0.2568 -0.0469 0.042 Uiso calc R 1 1 C C5 0.52839(11) 0.40454(19) -0.09163(15) 0.0378(4) Uani d . 1 1 H H5 0.4824 0.438 -0.1337 0.045 Uiso calc R 1 1 C C6 0.59864(10) 0.46561(16) -0.08463(12) 0.0273(4) Uani d . 1 1 C C7 0.60403(12) 0.58261(18) -0.14265(15) 0.0402(5) Uani d . 1 1 H H7A 0.6587 0.608 -0.1317 0.06 Uiso calc R 1 1 H H7B 0.574 0.6483 -0.1194 0.06 Uiso calc R 1 1 H H7C 0.5829 0.5677 -0.2147 0.06 Uiso calc R 1 1 C C8 0.66448(9) 0.41410(17) -0.02209(12) 0.0281(4) Uani d . 1 1 H H8 0.7136 0.4532 -0.0161 0.034 Uiso calc R 1 1 C C9 0.65959(10) 0.30599(17) 0.03197(12) 0.0295(4) Uani d . 1 1 H H9 0.7052 0.2727 0.0749 0.035 Uiso calc R 1 1 C C10 0.60048(10) 0.14901(16) 0.19407(11) 0.0284(4) Uani d . 1 1 H H10A 0.6503 0.1948 0.2132 0.034 Uiso calc R 1 1 H H10B 0.5595 0.2018 0.2113 0.034 Uiso calc R 1 1 C C11 0.60719(10) 0.03170(16) 0.25526(12) 0.0269(4) Uani d . 1 1 C C13 0.63292(9) -0.07957(16) 0.21014(11) 0.0233(3) Uani d . 1 1 C C14 0.64681(10) -0.19096(17) 0.26412(12) 0.0296(4) Uani d . 1 1 H H14 0.6365 -0.1956 0.3294 0.035 Uiso calc R 1 1 C C15 0.67503(10) -0.29353(17) 0.22452(13) 0.0312(4) Uani d . 1 1 H H15 0.6843 -0.3684 0.262 0.037 Uiso calc R 1 1 C C16 0.68997(9) -0.28610(16) 0.12829(13) 0.0287(4) Uani d . 1 1 H H16 0.7099 -0.3564 0.1007 0.034 Uiso calc R 1 1 C C17 0.67624(9) -0.17860(16) 0.07284(12) 0.0253(4) Uani d . 1 1 H H17 0.6868 -0.1755 0.0076 0.03 Uiso calc R 1 1 C C18 0.64660(8) -0.07303(15) 0.11196(11) 0.0206(3) Uani d . 1 1 N N1 0.63337(8) 0.03393(13) 0.05626(10) 0.0229(3) Uani d . 1 1 H H1N 0.6284(11) 0.0219(18) -0.0085(16) 0.028 Uiso d . 1 1 O O12 0.59607(9) 0.03372(13) 0.34096(9) 0.0416(4) Uani d . 1 1 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 C2 0.0283(8) 0.0280(9) 0.0236(8) -0.0016(7) 0.0076(6) -0.0007(6) C3 0.0363(9) 0.0234(8) 0.0213(7) 0.0002(7) 0.0130(6) -0.0022(6) C4 0.0292(8) 0.0348(10) 0.0393(10) -0.0087(7) 0.0068(7) 0.0020(8) C5 0.0291(9) 0.0382(11) 0.0413(10) -0.0014(8) -0.0018(7) 0.0088(8) C6 0.0341(9) 0.0227(8) 0.0257(8) -0.0020(7) 0.0080(6) -0.0003(6) C7 0.0520(11) 0.0280(10) 0.0395(10) -0.0034(8) 0.0084(8) 0.0063(8) C8 0.0237(7) 0.0313(9) 0.0301(8) -0.0046(7) 0.0075(6) -0.0040(7) C9 0.0291(8) 0.0331(10) 0.0252(8) 0.0069(7) 0.0042(6) 0.0009(7) C10 0.0406(9) 0.0267(9) 0.0198(7) 0.0029(7) 0.0110(7) -0.0022(6) C11 0.0333(8) 0.0314(9) 0.0166(7) 0.0006(7) 0.0072(6) -0.0006(6) C13 0.0255(7) 0.0265(8) 0.0179(7) -0.0004(6) 0.0054(6) -0.0005(6) C14 0.0353(9) 0.0329(10) 0.0210(7) 0.0009(7) 0.0074(6) 0.0050(7) C15 0.0338(9) 0.0278(9) 0.0315(9) 0.0023(7) 0.0063(7) 0.0063(7) C16 0.0277(8) 0.0260(9) 0.0339(9) 0.0014(7) 0.0098(7) -0.0027(7) C17 0.0265(8) 0.0277(9) 0.0238(7) -0.0021(6) 0.0100(6) -0.0035(6) C18 0.0197(7) 0.0236(8) 0.0187(7) -0.0041(6) 0.0047(5) -0.0022(6) N1 0.0313(7) 0.0236(7) 0.0159(6) -0.0003(5) 0.0097(5) -0.0013(5) O12 0.0695(10) 0.0406(8) 0.0189(6) 0.0102(7) 0.0186(6) 0.0020(5) 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 0 '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 0.006 '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 N1 C2 C3 109.72(13) N1 C2 C10 109.24(13) C3 C2 C10 111.82(14) N1 C2 H2 108.7 C3 C2 H2 108.7 C10 C2 H2 108.7 C4 C3 C9 118.11(15) C4 C3 C2 120.08(15) C9 C3 C2 121.81(15) C3 C4 C5 121.08(16) C3 C4 H4 119.5 C5 C4 H4 119.5 C4 C5 C6 121.84(16) C4 C5 H5 119.1 C6 C5 H5 119.1 C5 C6 C8 117.36(16) C5 C6 C7 121.72(16) C8 C6 C7 120.92(16) C6 C7 H7A 109.5 C6 C7 H7B 109.5 H7A C7 H7B 109.5 C6 C7 H7C 109.5 H7A C7 H7C 109.5 H7B C7 H7C 109.5 C6 C8 C9 121.02(15) C6 C8 H8 119.5 C9 C8 H8 119.5 C8 C9 C3 120.57(15) C8 C9 H9 119.7 C3 C9 H9 119.7 C11 C10 C2 114.09(14) C11 C10 H10A 108.7 C2 C10 H10A 108.7 C11 C10 H10B 108.7 C2 C10 H10B 108.7 H10A C10 H10B 107.6 O12 C11 C13 123.04(15) O12 C11 C10 120.15(15) C13 C11 C10 116.66(13) C14 C13 C18 119.47(15) C14 C13 C11 121.05(14) C18 C13 C11 119.45(14) C15 C14 C13 121.38(15) C15 C14 H14 119.3 C13 C14 H14 119.3 C14 C15 C16 119.03(16) C14 C15 H15 120.5 C16 C15 H15 120.5 C17 C16 C15 121.09(16) C17 C16 H16 119.5 C15 C16 H16 119.5 C16 C17 C18 120.56(14) C16 C17 H17 119.7 C18 C17 H17 119.7 N1 C18 C17 120.15(13) N1 C18 C13 121.39(14) C17 C18 C13 118.44(14) C18 N1 C2 119.67(12) C18 N1 H1N 113.4(13) C2 N1 H1N 114.2(13) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance C2 N1 1.461(2) C2 C3 1.514(2) C2 C10 1.520(2) C2 H2 1 C3 C4 1.376(2) C3 C9 1.396(2) C4 C5 1.378(3) C4 H4 0.95 C5 C6 1.387(2) C5 H5 0.95 C6 C8 1.389(2) C6 C7 1.505(2) C7 H7A 0.98 C7 H7B 0.98 C7 H7C 0.98 C8 C9 1.394(2) C8 H8 0.95 C9 H9 0.95 C10 C11 1.506(2) C10 H10A 0.99 C10 H10B 0.99 C11 O12 1.228(2) C11 C13 1.468(2) C13 C14 1.402(2) C13 C18 1.415(2) C14 C15 1.374(3) C14 H14 0.95 C15 C16 1.398(2) C15 H15 0.95 C16 C17 1.376(2) C16 H16 0.95 C17 C18 1.409(2) C17 H17 0.95 C18 N1 1.372(2) N1 H1N 0.88(2) 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 N1 H1N O12 6 0.88(2) 2.09(2) 2.9484(17) 166.9(18) C4 H4 Cg1 5_655 0.95 2.70 3.546(2) 149 C14 H14 Cg2 6_556 0.95 2.80 3.617(2) 144 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 N1 C2 C3 C4 122.88(17) C10 C2 C3 C4 -115.76(17) N1 C2 C3 C9 -56.54(19) C10 C2 C3 C9 64.8(2) C9 C3 C4 C5 -0.9(3) C2 C3 C4 C5 179.62(17) C3 C4 C5 C6 1.0(3) C4 C5 C6 C8 -0.3(3) C4 C5 C6 C7 179.37(18) C5 C6 C8 C9 -0.6(3) C7 C6 C8 C9 179.79(16) C6 C8 C9 C3 0.7(3) C4 C3 C9 C8 0.1(2) C2 C3 C9 C8 179.54(15) N1 C2 C10 C11 -48.91(19) C3 C2 C10 C11 -170.55(14) C2 C10 C11 O12 -155.13(16) C2 C10 C11 C13 29.3(2) O12 C11 C13 C14 -0.4(3) C10 C11 C13 C14 175.01(15) O12 C11 C13 C18 -178.14(16) C10 C11 C13 C18 -2.7(2) C18 C13 C14 C15 1.4(2) C11 C13 C14 C15 -176.33(15) C13 C14 C15 C16 -0.1(3) C14 C15 C16 C17 -0.6(3) C15 C16 C17 C18 0.0(2) C16 C17 C18 N1 179.75(14) C16 C17 C18 C13 1.3(2) C14 C13 C18 N1 179.63(14) C11 C13 C18 N1 -2.6(2) C14 C13 C18 C17 -1.9(2) C11 C13 C18 C17 175.80(14) C17 C18 N1 C2 160.66(14) C13 C18 N1 C2 -20.9(2) C3 C2 N1 C18 168.89(13) C10 C2 N1 C18 45.99(19) loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 124397477