#------------------------------------------------------------------------------ #$Date: 2025-08-20 15:59:05 +0100 (Wed, 20 Aug 2025) $ #$Revision: 301833 $ #$URL: svn://www.crystallography.net/cod/cif/4/11/64/4116459.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_4116459 loop_ _publ_author_name 'Stephen F. Martin' 'Kenneth J. Barr' 'Dudley W. Smith' 'Scott K. Bur' _publ_section_title ; Applications of Vinylogous Mannich Reactions. Concise Enantiospecific Total Syntheses of (+)-Croomine ; _journal_name_full 'Journal of the American Chemical Society' _journal_page_first 6990 _journal_page_last 6997 _journal_paper_doi 10.1021/ja990077r _journal_volume 121 _journal_year 1999 _chemical_formula_sum 'C18 H21 N O4' _chemical_formula_weight 315.36 _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_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL _cell_angle_alpha 90.00 _cell_angle_beta 90.530(10) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 12.162(2) _cell_length_b 6.2820(10) _cell_length_c 21.198(2) _cell_measurement_temperature 183(2) _cell_volume 1619.5(4) _computing_structure_refinement 'SHELXL-93 (Sheldrick, 1993)' _computing_structure_solution 'SHELXS-86 (Sheldrick, 1990)' _diffrn_ambient_temperature 183(2) _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 0.0277 _diffrn_reflns_av_sigmaI/netI 0.0484 _diffrn_reflns_limit_h_max 15 _diffrn_reflns_limit_h_min -1 _diffrn_reflns_limit_k_max 8 _diffrn_reflns_limit_k_min -1 _diffrn_reflns_limit_l_max 25 _diffrn_reflns_limit_l_min -27 _diffrn_reflns_number 3477 _diffrn_reflns_theta_max 27.49 _diffrn_reflns_theta_min 3.32 _exptl_absorpt_coefficient_mu 0.091 _exptl_crystal_density_diffrn 1.293 _exptl_crystal_F_000 672 _refine_diff_density_max 0.192 _refine_diff_density_min -0.184 _refine_diff_density_rms 0.039 _refine_ls_extinction_coef 0.0110(14) _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_all 1.052 _refine_ls_goodness_of_fit_obs 1.113 _refine_ls_matrix_type full _refine_ls_number_parameters 293 _refine_ls_number_reflns 3335 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.056 _refine_ls_restrained_S_obs 1.113 _refine_ls_R_factor_all 0.0919 _refine_ls_R_factor_obs 0.0506 _refine_ls_shift/esd_max -0.002 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)+(0.0350P)^2^+0.6780P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.1153 _refine_ls_wR_factor_obs 0.0958 _reflns_number_observed 2174 _reflns_number_total 3337 _reflns_observed_criterion >2sigma(I) _cod_data_source_file ja990077r_4.cif _cod_data_source_block 11f _cod_depositor_comments ; The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'calc w=1/[\s^2^(Fo^2^)+(0.0350P)^2^+0.6780P] where P=(Fo^2^+2Fc^2^)/3' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w=1/[\s^2^(Fo^2^)+(0.0350P)^2^+0.6780P] where P=(Fo^2^+2Fc^2^)/3'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_database_code 4116459 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x-1/2, -y-1/2, z-1/2' loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 O1 0.0357(8) 0.0321(8) 0.0282(9) 0.0006(6) 0.0011(7) -0.0111(6) C2 0.0253(10) 0.0355(12) 0.0324(14) -0.0015(10) -0.0021(9) -0.0005(9) C3 0.0248(10) 0.0329(12) 0.0342(14) 0.0039(10) 0.0018(10) 0.0022(9) C4 0.0235(10) 0.0285(11) 0.0418(15) 0.0011(10) 0.0023(10) 0.0005(9) C5 0.0299(11) 0.0299(11) 0.0317(13) -0.0048(9) 0.0052(10) -0.0071(9) C6 0.0331(11) 0.0296(12) 0.0260(13) -0.0039(9) 0.0045(10) -0.0080(9) N7 0.0284(9) 0.0233(9) 0.0309(11) 0.0013(7) 0.0030(8) -0.0021(7) C8 0.047(2) 0.0282(13) 0.050(2) 0.0070(11) 0.0044(14) -0.0009(11) C9 0.063(2) 0.0383(14) 0.041(2) 0.0136(12) -0.0013(14) -0.0075(14) C10 0.0448(14) 0.053(2) 0.0251(14) 0.0045(11) -0.0034(12) -0.0115(12) O11 0.0560(10) 0.0374(9) 0.0425(12) -0.0050(8) -0.0129(9) -0.0087(8) C12 0.047(2) 0.056(2) 0.034(2) 0.0116(12) -0.0034(13) 0.0017(13) C13 0.0377(14) 0.056(2) 0.045(2) -0.0111(14) 0.0123(13) -0.0053(13) C14 0.0251(10) 0.0265(11) 0.0295(13) -0.0002(9) -0.0007(9) -0.0016(8) O15 0.0395(9) 0.0264(8) 0.0510(11) 0.0059(7) 0.0130(8) 0.0000(7) O16 0.0316(8) 0.0315(8) 0.0318(9) -0.0010(6) 0.0054(7) -0.0011(6) C17 0.0344(12) 0.0488(15) 0.0249(14) -0.0002(11) 0.0037(11) -0.0044(11) C18 0.0309(10) 0.0385(12) 0.0177(11) 0.0048(9) 0.0043(9) -0.0015(10) C19 0.0374(13) 0.0479(15) 0.0286(14) 0.0063(11) 0.0055(11) 0.0045(11) C20 0.0315(13) 0.084(2) 0.042(2) 0.0119(15) 0.0049(12) 0.0034(14) C21 0.0391(15) 0.093(2) 0.037(2) 0.010(2) -0.0030(13) -0.024(2) C22 0.071(2) 0.051(2) 0.035(2) 0.0021(12) 0.0002(15) -0.0258(15) C23 0.0456(13) 0.0383(13) 0.0276(13) 0.0026(10) 0.0038(11) -0.0032(11) loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy _atom_site_calc_flag O1 O 0.36260(12) 1.0660(2) 0.08010(7) 0.0320(4) Uani 1 d C2 C 0.3730(2) 1.0726(3) 0.14385(11) 0.0311(5) Uani 1 d C3 C 0.3489(2) 0.8603(3) 0.17013(11) 0.0306(5) Uani 1 d C4 C 0.3223(2) 0.7360(4) 0.12205(11) 0.0313(5) Uani 1 d C5 C 0.3238(2) 0.8550(3) 0.06106(11) 0.0304(5) Uani 1 d C6 C 0.2080(2) 0.8844(3) 0.03129(11) 0.0295(5) Uani 1 d N7 N 0.12922(14) 0.9699(3) 0.07632(9) 0.0275(4) Uani 1 d C8 C 0.1010(2) 1.1938(4) 0.06484(15) 0.0419(6) Uani 1 d C9 C 0.1692(3) 1.2553(4) 0.00831(14) 0.0475(7) Uani 1 d C10 C 0.2028(2) 1.0475(4) -0.02239(12) 0.0409(6) Uani 1 d O11 O 0.40013(14) 1.2346(3) 0.17047(9) 0.0454(4) Uani 1 d C12 C 0.3571(3) 0.8132(5) 0.23904(13) 0.0454(7) Uani 1 d C13 C 0.4049(2) 0.7604(5) 0.01446(14) 0.0460(7) Uani 1 d C14 C 0.0756(2) 0.8421(3) 0.11670(11) 0.0270(5) Uani 1 d O15 O 0.08911(13) 0.6516(2) 0.12134(8) 0.0389(4) Uani 1 d O16 O 0.00444(12) 0.9552(2) 0.15204(7) 0.0316(4) Uani 1 d C17 C -0.0493(2) 0.8363(4) 0.20246(12) 0.0360(6) Uani 1 d C18 C -0.1565(2) 0.7437(4) 0.18136(10) 0.0290(5) Uani 1 d C19 C -0.2526(2) 0.8613(4) 0.18822(12) 0.0379(6) Uani 1 d C20 C -0.3528(2) 0.7787(5) 0.16970(14) 0.0525(8) Uani 1 d C21 C -0.3587(2) 0.5767(6) 0.14456(14) 0.0565(8) Uani 1 d C22 C -0.2652(3) 0.4577(5) 0.13812(13) 0.0520(8) Uani 1 d C23 C -0.1636(2) 0.5399(4) 0.15615(11) 0.0371(6) Uani 1 d H4 H 0.3060(19) 0.5904(38) 0.1233(11) 0.040(7) Uiso 1 d H6 H 0.1820(17) 0.7420(34) 0.0171(11) 0.029(6) Uiso 1 d H8A H 0.1173(23) 1.2775(44) 0.1000(15) 0.061(9) Uiso 1 d H8B H 0.0207(26) 1.1991(44) 0.0561(15) 0.071(9) Uiso 1 d H9A H 0.2393(23) 1.3351(41) 0.0241(14) 0.057(8) Uiso 1 d H9B H 0.1242(23) 1.3443(43) -0.0203(15) 0.061(8) Uiso 1 d H10A H 0.1489(21) 1.0023(40) -0.0540(14) 0.052(8) Uiso 1 d H10B H 0.2704(21) 1.0627(38) -0.0453(13) 0.046(7) Uiso 1 d H12A H 0.3543(32) 0.6614(65) 0.2483(18) 0.110(14) Uiso 1 d H12B H 0.2911(32) 0.8597(56) 0.2580(18) 0.107(13) Uiso 1 d H12C H 0.4304(34) 0.8492(59) 0.2586(20) 0.118(14) Uiso 1 d H13A H 0.4800(24) 0.7540(43) 0.0368(14) 0.062(8) Uiso 1 d H13B H 0.3777(23) 0.6219(45) 0.0015(14) 0.060(8) Uiso 1 d H13C H 0.4157(22) 0.8582(42) -0.0210(14) 0.054(8) Uiso 1 d H17A H -0.0596(19) 0.9468(37) 0.2358(12) 0.042(7) Uiso 1 d H17B H 0.0026(22) 0.7221(42) 0.2186(13) 0.055(8) Uiso 1 d H19 H -0.2489(21) 1.0020(42) 0.2057(14) 0.057(8) Uiso 1 d H20 H -0.4181(27) 0.8655(46) 0.1754(16) 0.077(10) Uiso 1 d H21 H -0.4316(24) 0.5223(44) 0.1323(14) 0.065(9) Uiso 1 d H22 H -0.2650(23) 0.3149(45) 0.1216(14) 0.061(9) Uiso 1 d H23 H -0.0965(22) 0.4598(40) 0.1516(13) 0.052(8) Uiso 1 d 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 C2 O1 C5 109.3(2) O11 C2 O1 120.9(2) O11 C2 C3 129.7(2) O1 C2 C3 109.3(2) C4 C3 C2 106.9(2) C4 C3 C12 130.6(2) C2 C3 C12 122.5(2) C3 C4 C5 111.5(2) C3 C4 H4 127.3(15) C5 C4 H4 121.2(15) O1 C5 C4 102.8(2) O1 C5 C13 108.9(2) C4 C5 C13 112.3(2) O1 C5 C6 107.1(2) C4 C5 C6 113.2(2) C13 C5 C6 112.0(2) N7 C6 C10 102.5(2) N7 C6 C5 112.1(2) C10 C6 C5 114.4(2) N7 C6 H6 108.7(12) C10 C6 H6 111.4(13) C5 C6 H6 107.5(13) C14 N7 C6 121.4(2) C14 N7 C8 124.2(2) C6 N7 C8 113.4(2) N7 C8 C9 104.3(2) N7 C8 H8A 111.1(19) C9 C8 H8A 112.0(17) N7 C8 H8B 107.0(16) C9 C8 H8B 112.9(19) H8A C8 H8B 109.4(24) C8 C9 C10 105.8(2) C8 C9 H9A 108.8(16) C10 C9 H9A 109.3(14) C8 C9 H9B 109.0(16) C10 C9 H9B 112.0(17) H9A C9 H9B 111.9(22) C9 C10 C6 105.4(2) C9 C10 H10A 111.3(15) C6 C10 H10A 109.8(16) C9 C10 H10B 111.4(15) C6 C10 H10B 114.3(16) H10A C10 H10B 104.7(21) C3 C12 H12A 112.9(24) C3 C12 H12B 107.8(24) H12A C12 H12B 100.7(29) C3 C12 H12C 114.2(23) H12A C12 H12C 99.7(29) H12B C12 H12C 120.4(31) C5 C13 H13A 107.2(16) C5 C13 H13B 108.3(16) H13A C13 H13B 113.3(23) C5 C13 H13C 110.2(15) H13A C13 H13C 104.7(22) H13B C13 H13C 113.1(25) O15 C14 N7 125.0(2) O15 C14 O16 124.2(2) N7 C14 O16 110.8(2) C14 O16 C17 115.4(2) O16 C17 C18 112.0(2) O16 C17 H17A 102.8(13) C18 C17 H17A 111.6(14) O16 C17 H17B 109.1(14) C18 C17 H17B 111.4(15) H17A C17 H17B 109.6(23) C23 C18 C19 118.7(2) C23 C18 C17 121.7(2) C19 C18 C17 119.6(2) C20 C19 C18 120.8(3) C20 C19 H19 119.7(16) C18 C19 H19 119.6(16) C21 C20 C19 120.0(3) C21 C20 H20 121.7(19) C19 C20 H20 118.3(19) C22 C21 C20 120.1(3) C22 C21 H21 122.1(16) C20 C21 H21 117.8(16) C21 C22 C23 120.5(3) C21 C22 H22 123.4(17) C23 C22 H22 116.2(18) C22 C23 C18 120.0(2) C22 C23 H23 122.0(16) C18 C23 H23 118.0(16) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance O1 C2 1.357(3) O1 C5 1.462(2) C2 O11 1.208(3) C2 C3 1.476(3) C3 C4 1.322(3) C3 C12 1.493(3) C4 C5 1.494(3) C4 H4 0.94(2) C5 C13 1.522(3) C5 C6 1.550(3) C6 N7 1.461(3) C6 C10 1.532(3) C6 H6 0.99(2) N7 C14 1.347(3) N7 C8 1.467(3) C8 C9 1.514(4) C8 H8A 0.93(3) C8 H8B 0.99(3) C9 C10 1.516(4) C9 H9A 1.04(3) C9 H9B 0.99(3) C10 H10A 0.98(3) C10 H10B 0.96(2) C12 H12A 0.97(4) C12 H12B 0.95(4) C12 H12C 1.01(4) C13 H13A 1.03(3) C13 H13B 0.97(3) C13 H13C 0.98(3) C14 O15 1.212(2) C14 O16 1.351(2) O16 C17 1.463(3) C17 C18 1.492(3) C17 H17A 1.00(2) C17 H17B 1.01(3) C18 C23 1.390(3) C18 C19 1.391(3) C19 C20 1.378(4) C19 H19 0.96(3) C20 C21 1.378(4) C20 H20 0.97(3) C21 C22 1.369(4) C21 H21 0.98(3) C22 C23 1.390(4) C22 H22 0.96(3) C23 H23 0.96(3) 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 C5 O1 C2 O11 -177.2(2) C5 O1 C2 C3 3.9(2) O11 C2 C3 C4 179.6(2) O1 C2 C3 C4 -1.6(2) O11 C2 C3 C12 -1.0(4) O1 C2 C3 C12 177.8(2) C2 C3 C4 C5 -1.4(2) C12 C3 C4 C5 179.3(2) C2 O1 C5 C4 -4.5(2) C2 O1 C5 C13 -123.8(2) C2 O1 C5 C6 115.0(2) C3 C4 C5 O1 3.6(2) C3 C4 C5 C13 120.4(2) C3 C4 C5 C6 -111.6(2) O1 C5 C6 N7 -62.2(2) C4 C5 C6 N7 50.3(2) C13 C5 C6 N7 178.5(2) O1 C5 C6 C10 54.0(2) C4 C5 C6 C10 166.6(2) C13 C5 C6 C10 -65.3(3) C10 C6 N7 C14 152.8(2) C5 C6 N7 C14 -84.1(2) C10 C6 N7 C8 -16.6(3) C5 C6 N7 C8 106.6(2) C14 N7 C8 C9 -170.0(2) C6 N7 C8 C9 -0.9(3) N7 C8 C9 C10 18.5(3) C8 C9 C10 C6 -28.9(3) N7 C6 C10 C9 27.4(3) C5 C6 C10 C9 -94.3(2) C6 N7 C14 O15 2.6(4) C8 N7 C14 O15 170.8(2) C6 N7 C14 O16 -177.8(2) C8 N7 C14 O16 -9.6(3) O15 C14 O16 C17 6.2(3) N7 C14 O16 C17 -173.4(2) C14 O16 C17 C18 -92.1(2) O16 C17 C18 C23 91.4(3) O16 C17 C18 C19 -90.1(2) C23 C18 C19 C20 -0.8(3) C17 C18 C19 C20 -179.4(2) C18 C19 C20 C21 0.6(4) C19 C20 C21 C22 0.2(4) C20 C21 C22 C23 -0.7(4) C21 C22 C23 C18 0.5(4) C19 C18 C23 C22 0.3(3) C17 C18 C23 C22 178.8(2) loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 139120528