#------------------------------------------------------------------------------ #$Date: 2017-10-13 01:08:28 +0100 (Fri, 13 Oct 2017) $ #$Revision: 201955 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/55/2005536.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_2005536 loop_ _publ_author_name 'Merino, P.' 'Merchan, F. L.' 'Tejero, T.' 'Lanaspa, A.' _publ_section_title ;Chiral Hydroxylamines. II. (1R,2R)-N-Benzyl-N-[(3-tert-butoxycarbonyl-2,2-dimethyloxazol-4-yl)(furan-2-yl)methyl]hydroxylamine ; _journal_issue 10 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 2536 _journal_page_last 2538 _journal_paper_doi 10.1107/S0108270196005185 _journal_volume 52 _journal_year 1996 _chemical_formula_sum 'C22 H30 N2 O5' _chemical_formula_weight 402.48 _chemical_melting_point 385 _chemical_name_systematic ; (1R,2R)-N-Benzyl-N-[(N-tert-butoxycarbonyl-2,2-dimethyloxazol-4-yl)- (furan-2-yl)methyl]hydroxylamine ; _space_group_IT_number 19 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall 'P 2ac 2ab' _symmetry_space_group_name_H-M 'P 21 21 21' _audit_creation_method SHELXL _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 12.3140(10) _cell_length_b 12.4250(10) _cell_length_c 14.855(5) _cell_measurement_reflns_used 40 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 25 _cell_measurement_theta_min 10 _cell_volume 2272.8(8) _computing_cell_refinement XSCANS _computing_data_collection 'XSCANS (Siemens, 1992)' _computing_data_reduction XSCANS _computing_molecular_graphics 'SHELXTL-Plus (Sheldrick, 1991)' _computing_publication_material SHELXTL93 _computing_structure_refinement 'SHELXL93 (Sheldrick, 1993)' _computing_structure_solution 'SHELXS86 (Sheldrick, 1990)' _diffrn_ambient_temperature 293(2) _diffrn_measurement_device 'Siemens P4' _diffrn_measurement_method 'Profile data from 2\q/\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 0.0791 _diffrn_reflns_av_sigmaI/netI 0.0369 _diffrn_reflns_limit_h_max 13 _diffrn_reflns_limit_h_min -1 _diffrn_reflns_limit_k_max 13 _diffrn_reflns_limit_k_min -1 _diffrn_reflns_limit_l_max 15 _diffrn_reflns_limit_l_min -1 _diffrn_reflns_number 2256 _diffrn_reflns_theta_max 22.49 _diffrn_reflns_theta_min 2.14 _diffrn_standards_decay_% 3.09 _diffrn_standards_interval_count 97 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.083 _exptl_absorpt_correction_type none _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.176 _exptl_crystal_description 'transparent block' _exptl_crystal_F_000 864 _exptl_crystal_size_max 0.52 _exptl_crystal_size_mid 0.50 _exptl_crystal_size_min 0.30 _refine_diff_density_max 0.133 _refine_diff_density_min -0.127 _refine_ls_extinction_coef 0.047(4) _refine_ls_extinction_method 'SHELXL93 (Sheldrick, 1993)' _refine_ls_goodness_of_fit_all 1.045 _refine_ls_goodness_of_fit_obs 1.050 _refine_ls_hydrogen_treatment 'riding mode [except H(O)]' _refine_ls_matrix_type full _refine_ls_number_parameters 268 _refine_ls_number_reflns 2092 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.045 _refine_ls_restrained_S_obs 1.050 _refine_ls_R_factor_all 0.0387 _refine_ls_R_factor_obs 0.0375 _refine_ls_shift/esd_max -0.003 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w = 1/[\s^2^(Fo^2^)+(0.0702P)^2^+0.2834P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.1049 _refine_ls_wR_factor_obs 0.1030 _reflns_number_observed 2007 _reflns_number_total 2092 _reflns_observed_criterion >2sigma(I) _cod_data_source_file na1237.cif _cod_data_source_block ser1 _cod_depositor_comments ; The following automatic conversions were performed: '_chemical_melting_point' value '385 K' was changed to '385' - the value should be numeric and without a unit designator. '_geom_bond_publ_flag' value 'Yes' changed to 'yes' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (31 time). '_geom_angle_publ_flag' value 'Yes' changed to 'yes' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (46 times). '_geom_torsion_publ_flag' value 'Yes' changed to 'yes' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29 (7 times). Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'calc w = 1/[\s^2^(Fo^2^)+(0.0702P)^2^+0.2834P] 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^)+(0.0702P)^2^+0.2834P] 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 2005536 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, -y, z+1/2' '-x, y+1/2, -z+1/2' 'x+1/2, -y+1/2, -z' 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 0.0595(12) 0.0905(15) 0.0950(15) 0.0100(11) 0.0027(12) 0.0301(14) C1 0.0550(14) 0.0625(15) 0.0499(14) -0.0036(13) -0.0021(13) 0.0030(13) C2 0.061(2) 0.135(3) 0.081(2) -0.017(2) 0.003(2) 0.036(2) C3 0.0450(15) 0.115(3) 0.093(2) 0.000(2) 0.005(2) -0.009(2) C4 0.056(2) 0.084(2) 0.115(3) 0.018(2) -0.005(2) 0.009(2) C16 0.059(2) 0.0565(14) 0.069(2) 0.0063(13) -0.0059(14) -0.0060(13) C17 0.0534(14) 0.0554(14) 0.0568(14) -0.0041(13) 0.0089(13) -0.0051(13) C18 0.062(2) 0.066(2) 0.072(2) -0.001(2) -0.006(2) -0.0076(15) C19 0.074(2) 0.095(2) 0.075(2) -0.011(2) -0.012(2) -0.003(2) C20 0.083(2) 0.115(3) 0.073(2) -0.031(2) 0.003(2) -0.033(2) C21 0.087(2) 0.077(2) 0.111(3) -0.020(2) 0.020(2) -0.041(2) C22 0.068(2) 0.062(2) 0.089(2) -0.003(2) 0.016(2) -0.012(2) O4 0.0635(11) 0.0828(12) 0.0454(9) -0.0033(11) -0.0050(9) -0.0025(9) C7 0.057(2) 0.077(2) 0.0582(15) -0.0083(15) -0.0022(13) -0.0086(15) C6 0.0466(14) 0.0631(15) 0.0483(13) -0.0052(12) 0.0020(12) -0.0002(12) N2 0.0518(12) 0.0613(12) 0.0401(10) -0.0011(10) 0.0004(10) -0.0016(10) C8 0.056(2) 0.068(2) 0.0445(13) -0.0025(14) 0.0015(12) -0.0018(12) C9 0.067(2) 0.086(2) 0.062(2) -0.012(2) 0.003(2) 0.012(2) C10 0.087(2) 0.079(2) 0.062(2) 0.005(2) 0.006(2) -0.013(2) C11 0.0550(15) 0.0530(13) 0.0463(14) 0.0013(12) -0.0002(13) 0.0007(12) O3 0.0626(11) 0.0677(11) 0.0428(9) 0.0061(10) 0.0042(8) 0.0038(8) O2 0.0530(10) 0.0934(14) 0.0513(10) 0.0069(11) 0.0003(9) 0.0096(10) C12 0.058(2) 0.096(2) 0.056(2) 0.013(2) -0.0049(14) 0.003(2) C13 0.087(2) 0.113(3) 0.086(2) 0.036(2) 0.010(2) 0.021(2) C14 0.061(2) 0.163(4) 0.091(2) 0.016(2) 0.006(2) 0.018(3) C15 0.096(3) 0.134(3) 0.122(3) 0.017(3) -0.047(3) -0.040(3) O5 0.0616(10) 0.0734(12) 0.0470(9) -0.0025(11) 0.0094(9) 0.0019(9) N1 0.0545(11) 0.0540(11) 0.0463(11) -0.0033(10) 0.0031(9) 0.0015(10) C5 0.0462(13) 0.0615(14) 0.0443(13) -0.0044(13) 0.0011(11) 0.0055(11) loop_ _atom_site_label _atom_site_occupancy _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_calc_flag _atom_site_refinement_flags _atom_site_type_symbol O1 1 0.5478(2) 0.1710(2) 0.8350(2) 0.0817(7) Uani d . O C1 1 0.5119(2) 0.2392(2) 0.7693(2) 0.0558(7) Uani d . C C2 1 0.5968(3) 0.2740(4) 0.7225(2) 0.0924(12) Uani d . C H2 1 0.5957(3) 0.3227(4) 0.6750(2) 0.095(2) Uiso calc R H C3 1 0.6913(3) 0.2213(4) 0.7601(2) 0.0841(10) Uani d . C H3 1 0.7626(3) 0.2285(4) 0.7404(2) 0.095(2) Uiso calc R H C4 1 0.6577(3) 0.1625(3) 0.8261(3) 0.0850(10) Uani d . C H4 1 0.7022(3) 0.1204(3) 0.8624(3) 0.095(2) Uiso calc R H C16 1 0.3495(2) 0.1039(2) 0.6689(2) 0.0613(7) Uani d . C H16A 1 0.3395(2) 0.0656(2) 0.7252(2) 0.095(2) Uiso calc R H H16B 1 0.4228(2) 0.0900(2) 0.6480(2) 0.095(2) Uiso calc R H C17 1 0.2701(2) 0.0612(2) 0.6007(2) 0.0552(7) Uani d . C C18 1 0.1887(2) 0.1237(2) 0.5656(2) 0.0669(8) Uani d . C H18 1 0.1832(2) 0.1955(2) 0.5826(2) 0.095(2) Uiso calc R H C19 1 0.1141(3) 0.0811(3) 0.5050(2) 0.0815(9) Uani d . C H19 1 0.0599(3) 0.1245(3) 0.4810(2) 0.095(2) Uiso calc R H C20 1 0.1209(3) -0.0252(3) 0.4806(2) 0.0905(11) Uani d . C H20 1 0.0707(3) -0.0541(3) 0.4406(2) 0.095(2) Uiso calc R H C21 1 0.2012(3) -0.0886(3) 0.5152(3) 0.0918(11) Uani d . C H21 1 0.2058(3) -0.1605(3) 0.4983(3) 0.095(2) Uiso calc R H C22 1 0.2756(3) -0.0466(2) 0.5749(2) 0.0734(9) Uani d . C H22 1 0.3298(3) -0.0905(2) 0.5983(2) 0.095(2) Uiso calc R H O4 1 0.30016(15) 0.3757(2) 0.92914(11) 0.0639(5) Uani d . O C7 1 0.3921(2) 0.4101(3) 0.8787(2) 0.0640(7) Uani d . C H7A 1 0.4577(2) 0.3744(3) 0.8990(2) 0.095(2) Uiso calc R H H7B 1 0.4019(2) 0.4873(3) 0.8831(2) 0.095(2) Uiso calc R H C6 1 0.3634(2) 0.3769(2) 0.7830(2) 0.0527(6) Uani d . C H6 1 0.3998(2) 0.4233(2) 0.7391(2) 0.095(2) Uiso calc R H N2 1 0.2461(2) 0.3970(2) 0.78406(13) 0.0511(5) Uani d . N C8 1 0.2049(2) 0.4033(2) 0.8790(2) 0.0561(7) Uani d . C C9 1 0.1213(2) 0.3179(3) 0.8993(2) 0.0715(8) Uani d . C H9A 1 0.0557(2) 0.3333(3) 0.8669(2) 0.095(2) Uiso calc R H H9B 1 0.1064(2) 0.3172(3) 0.9628(2) 0.095(2) Uiso calc R H H9C 1 0.1486(2) 0.2488(3) 0.8812(2) 0.095(2) Uiso calc R H C10 1 0.1682(3) 0.5158(3) 0.9039(2) 0.0763(9) Uani d . C H10A 1 0.1043(3) 0.5339(3) 0.8701(2) 0.095(2) Uiso calc R H H10B 1 0.2249(3) 0.5662(3) 0.8903(2) 0.095(2) Uiso calc R H H10C 1 0.1521(3) 0.5186(3) 0.9671(2) 0.095(2) Uiso calc R H C11 1 0.1896(2) 0.4182(2) 0.7082(2) 0.0514(6) Uani d . C O3 1 0.2289(2) 0.4235(2) 0.63310(11) 0.0577(5) Uani d . O O2 1 0.08402(14) 0.4342(2) 0.72687(12) 0.0659(5) Uani d . O C12 1 0.0040(2) 0.4602(3) 0.6563(2) 0.0699(8) Uani d . C C13 1 0.0355(3) 0.5660(3) 0.6125(2) 0.0954(12) Uani d . C H13A 1 0.0400(3) 0.6212(3) 0.6576(2) 0.095(2) Uiso calc R H H13B 1 -0.0182(3) 0.5855(3) 0.5686(2) 0.095(2) Uiso calc R H H13C 1 0.1048(3) 0.5583(3) 0.5835(2) 0.095(2) Uiso calc R H C14 1 -0.0994(3) 0.4740(4) 0.7101(3) 0.1051(14) Uani d . C H14A 1 -0.0907(3) 0.5323(4) 0.7519(3) 0.095(2) Uiso calc R H H14B 1 -0.1146(3) 0.4089(4) 0.7425(3) 0.095(2) Uiso calc R H H14C 1 -0.1585(3) 0.4896(4) 0.6700(3) 0.095(2) Uiso calc R H C15 1 -0.0045(3) 0.3703(4) 0.5898(3) 0.118(2) Uani d . C H15A 1 0.0625(3) 0.3642(4) 0.5572(3) 0.095(2) Uiso calc R H H15B 1 -0.0626(3) 0.3849(4) 0.5485(3) 0.095(2) Uiso calc R H H15C 1 -0.0188(3) 0.3042(4) 0.6210(3) 0.095(2) Uiso calc R H O5 1 0.3875(2) 0.2722(2) 0.60851(11) 0.0607(5) Uani d . O N1 1 0.3369(2) 0.2192(2) 0.68500(13) 0.0516(5) Uani d . N C5 1 0.3912(2) 0.2576(2) 0.7663(2) 0.0507(6) Uani d . C H5 1 0.3602(2) 0.2171(2) 0.8167(2) 0.095(2) Uiso calc R H H(O) 1 0.3282(31) 0.3261(30) 0.6064(25) 0.096(12) Uiso d . H 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 C4 O1 C1 107.4(3) yes C2 C1 O1 108.8(3) yes C2 C1 C5 135.5(3) yes O1 C1 C5 115.8(2) yes C1 C2 C3 106.5(3) yes C1 C2 H2 126.8(2) ? C3 C2 H2 126.8(2) ? C4 C3 C2 107.0(3) yes C4 C3 H3 126.5(2) ? C2 C3 H3 126.5(2) ? C3 C4 O1 110.3(3) yes C3 C4 H4 124.8(2) ? O1 C4 H4 124.8(2) ? N1 C16 C17 112.8(2) yes N1 C16 H16A 109.03(15) ? C17 C16 H16A 109.0(2) ? N1 C16 H16B 109.03(15) ? C17 C16 H16B 109.03(14) ? H16A C16 H16B 107.8 ? C18 C17 C22 118.3(3) yes C18 C17 C16 122.1(2) yes C22 C17 C16 119.5(3) yes C17 C18 C19 120.9(3) yes C17 C18 H18 119.6(2) ? C19 C18 H18 119.6(2) ? C20 C19 C18 119.8(4) yes C20 C19 H19 120.1(2) ? C18 C19 H19 120.1(2) ? C21 C20 C19 120.0(3) yes C21 C20 H20 120.0(2) ? C19 C20 H20 120.0(2) ? C20 C21 C22 120.4(3) yes C20 C21 H21 119.8(2) ? C22 C21 H21 119.8(2) ? C21 C22 C17 120.6(3) yes C21 C22 H22 119.7(2) ? C17 C22 H22 119.7(2) ? C7 O4 C8 107.8(2) yes O4 C7 C6 103.1(2) yes O4 C7 H7A 111.15(14) ? C6 C7 H7A 111.1(2) ? O4 C7 H7B 111.15(15) ? C6 C7 H7B 111.1(2) ? H7A C7 H7B 109.1 ? N2 C6 C7 99.9(2) yes N2 C6 C5 112.6(2) yes C7 C6 C5 111.1(2) yes N2 C6 H6 110.91(14) ? C7 C6 H6 110.91(15) ? C5 C6 H6 110.91(13) ? C11 N2 C6 122.2(2) yes C11 N2 C8 126.9(2) yes C6 N2 C8 110.6(2) yes O4 C8 N2 101.5(2) yes O4 C8 C9 106.7(2) yes N2 C8 C9 112.5(2) yes O4 C8 C10 109.8(2) yes N2 C8 C10 112.2(2) yes C9 C8 C10 113.4(2) yes C8 C9 H9A 109.5(2) ? C8 C9 H9B 109.47(14) ? H9A C9 H9B 109.5 ? C8 C9 H9C 109.5(2) ? H9A C9 H9C 109.5 ? H9B C9 H9C 109.5 ? C8 C10 H10A 109.5(2) ? C8 C10 H10B 109.5(2) ? H10A C10 H10B 109.5 ? C8 C10 H10C 109.5(2) ? H10A C10 H10C 109.5 ? H10B C10 H10C 109.5 ? O3 C11 O2 124.5(2) yes O3 C11 N2 124.7(2) yes O2 C11 N2 110.8(2) yes C11 O2 C12 122.1(2) yes O2 C12 C15 110.7(3) yes O2 C12 C14 102.2(2) yes C15 C12 C14 112.1(3) yes O2 C12 C13 108.9(3) yes C15 C12 C13 112.4(3) yes C14 C12 C13 110.1(3) yes C12 C13 H13A 109.5(2) ? C12 C13 H13B 109.5(2) ? H13A C13 H13B 109.5 ? C12 C13 H13C 109.5(2) ? H13A C13 H13C 109.5 ? H13B C13 H13C 109.5 ? C12 C14 H14A 109.5(2) ? C12 C14 H14B 109.5(2) ? H14A C14 H14B 109.5 ? C12 C14 H14C 109.5(2) ? H14A C14 H14C 109.5 ? H14B C14 H14C 109.5 ? C12 C15 H15A 109.5(2) ? C12 C15 H15B 109.5(2) ? H15A C15 H15B 109.5 ? C12 C15 H15C 109.5(2) ? H15A C15 H15C 109.5 ? H15B C15 H15C 109.5 ? N1 O5 H(O) 91.(2) ? O5 N1 C5 107.6(2) yes O5 N1 C16 105.7(2) yes C5 N1 C16 114.0(2) yes N1 C5 C1 115.3(2) yes N1 C5 C6 110.2(2) yes C1 C5 C6 111.2(2) yes N1 C5 H5 106.54(12) ? C1 C5 H5 106.54(15) ? C6 C5 H5 106.54(13) ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag O1 C4 1.365(4) yes O1 C1 1.366(3) yes C1 C2 1.327(4) yes C1 C5 1.504(4) yes C2 C3 1.447(5) yes C2 H2 0.93 ? C3 C4 1.291(5) yes C3 H3 0.93 ? C4 H4 0.93 ? C16 N1 1.461(4) yes C16 C17 1.504(4) yes C16 H16A 0.97 ? C16 H16B 0.97 ? C17 C18 1.372(4) yes C17 C22 1.395(4) yes C18 C19 1.391(4) yes C18 H18 0.93 ? C19 C20 1.372(6) yes C19 H19 0.93 ? C20 C21 1.364(5) yes C20 H20 0.93 ? C21 C22 1.378(5) yes C21 H21 0.93 ? C22 H22 0.93 ? O4 C7 1.423(3) yes O4 C8 1.431(3) yes C7 C6 1.521(4) yes C7 H7A 0.97 ? C7 H7B 0.97 ? C6 N2 1.466(3) yes C6 C5 1.541(4) yes C6 H6 0.98 ? N2 C11 1.351(3) yes N2 C8 1.501(3) yes C8 C9 1.509(4) yes C8 C10 1.515(4) yes C9 H9A 0.96 ? C9 H9B 0.96 ? C9 H9C 0.96 ? C10 H10A 0.96 ? C10 H10B 0.96 ? C10 H10C 0.96 ? C11 O3 1.218(3) yes C11 O2 1.344(3) yes O2 C12 1.475(3) yes C12 C15 1.494(5) yes C12 C14 1.513(5) yes C12 C13 1.518(5) yes C13 H13A 0.96 ? C13 H13B 0.96 ? C13 H13C 0.96 ? C14 H14A 0.96 ? C14 H14B 0.96 ? C14 H14C 0.96 ? C15 H15A 0.96 ? C15 H15B 0.96 ? C15 H15C 0.96 ? O5 N1 1.453(3) yes O5 H(O) 0.99(4) ? N1 C5 1.461(3) yes C5 H5 0.98 ? 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 N2 C6 C5 N1 53.1(3) yes N2 C6 C5 C1 -177.8(2) yes C1 C2 C3 C4 -1.5(5) no C2 C3 C4 O1 0.6(5) no C5 C1 O1 C2 -179.8(4) no C16 C17 C18 C19 -177.8(3) yes C17 C18 C19 C20 0.9(5) yes C18 C19 C20 C21 -0.7(5) no C19 C20 C21 C22 0.4(6) no N2 C11 O2 C12 179.2(2) yes N2 C11 O2 O3 179.2(4) no O4 C8 N2 C6 -5.4(3) yes C6 C7 O4 C8 -42.8(3) yes loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 ChemSpider 2034928