# Electronic Supplementary Material (ESI) for Organic & Biomolecular Chemistry # This journal is © The Royal Society of Chemistry 2013 ####################################################################### # # Cambridge Crystallographic Data Centre # CCDC # ####################################################################### # # This CIF contains data from an original supplementary publication # deposited with the CCDC, and may include chemical, crystal, # experimental, refinement, atomic coordinates, # anisotropic displacement parameters and molecular geometry data, # as required by the journal to which it was submitted. # # This CIF is provided on the understanding that it is used for bona # fide research purposes only. It may contain copyright material # of the CCDC or of third parties, and may not be copied or further # disseminated in any form, whether machine-readable or not, # except for the purpose of generating routine backup copies # on your local computer system. # # For further information on the CCDC, data deposition and # data retrieval see: # www.ccdc.cam.ac.uk # # Bona fide researchers may freely download Mercury and enCIFer # from this site to visualise CIF-encoded structures and # to carry out CIF format checking respectively. # ####################################################################### data_cd212465 _database_code_depnum_ccdc_archive 'CCDC 900656' #TrackingRef 'cd212465.cif' _audit_creation_method SHELXL-97 _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety ? _chemical_formula_sum 'C24 H25 Br N2 O4' _chemical_formula_weight 485.37 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' Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting Monoclinic _symmetry_space_group_name_H-M C2 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y, -z' 'x+1/2, y+1/2, z' '-x+1/2, y+1/2, -z' _cell_length_a 18.4983(19) _cell_length_b 9.7453(10) _cell_length_c 14.3824(15) _cell_angle_alpha 90.00 _cell_angle_beta 117.709(2) _cell_angle_gamma 90.00 _cell_volume 2295.4(4) _cell_formula_units_Z 4 _cell_measurement_temperature 293(2) _cell_measurement_reflns_used 2721 _cell_measurement_theta_min 4.492 _cell_measurement_theta_max 46.488 _exptl_crystal_description prismatic _exptl_crystal_colour colorless _exptl_crystal_size_max 0.254 _exptl_crystal_size_mid 0.212 _exptl_crystal_size_min 0.142 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 1.405 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 1000 _exptl_absorpt_coefficient_mu 1.823 _exptl_absorpt_correction_type empirical _exptl_absorpt_correction_T_min 0.32319 _exptl_absorpt_correction_T_max 1.00000 _exptl_absorpt_process_details sadabs _exptl_special_details ; ? ; _diffrn_ambient_temperature 293(2) _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type MoK\a _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_monochromator graphite _diffrn_measurement_device_type 'CCD area detector' _diffrn_measurement_method 'phi and omega scans' _diffrn_detector_area_resol_mean ? _diffrn_standards_number ? _diffrn_standards_interval_count ? _diffrn_standards_interval_time ? _diffrn_standards_decay_% ? _diffrn_reflns_number 6980 _diffrn_reflns_av_R_equivalents 0.0340 _diffrn_reflns_av_sigmaI/netI 0.0664 _diffrn_reflns_limit_h_min -19 _diffrn_reflns_limit_h_max 22 _diffrn_reflns_limit_k_min -12 _diffrn_reflns_limit_k_max 11 _diffrn_reflns_limit_l_min -17 _diffrn_reflns_limit_l_max 17 _diffrn_reflns_theta_min 2.25 _diffrn_reflns_theta_max 26.00 _reflns_number_total 4201 _reflns_number_gt 3737 _reflns_threshold_expression >2sigma(I) _computing_data_collection 'Bruker SMART' _computing_cell_refinement 'Bruker SMART' _computing_data_reduction 'Bruker SHELXTL' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_molecular_graphics 'Bruker SHELXTL' _computing_publication_material 'Bruker SHELXTL' _refine_special_details ; Refinement of F^2^ against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F^2^, conventional R-factors R are based on F, with F set to zero for negative F^2^. The threshold expression of F^2^ > 2sigma(F^2^) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F^2^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme calc _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0231P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom _refine_ls_hydrogen_treatment mixed _refine_ls_extinction_method SHELXL _refine_ls_extinction_coef 0.0024(4) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 0.006(8) _chemical_absolute_configuration ad _refine_ls_number_reflns 4201 _refine_ls_number_parameters 289 _refine_ls_number_restraints 14 _refine_ls_R_factor_all 0.0407 _refine_ls_R_factor_gt 0.0353 _refine_ls_wR_factor_ref 0.0806 _refine_ls_wR_factor_gt 0.0785 _refine_ls_goodness_of_fit_ref 0.970 _refine_ls_restrained_S_all 0.976 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 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_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group Br1 Br 0.061741(16) 0.20149(5) 0.15959(2) 0.05543(13) Uani 1 1 d . . . N1 N 0.32293(15) -0.1666(3) 0.1640(2) 0.0437(6) Uani 1 1 d . . . N2 N 0.41469(16) 0.0558(3) 0.3756(2) 0.0450(6) Uani 1 1 d D . . O1 O 0.45690(15) -0.1851(3) 0.2890(2) 0.0666(7) Uani 1 1 d . . . O2 O 0.31724(18) 0.0375(3) 0.48094(19) 0.0675(7) Uani 1 1 d . . . O3 O 0.41361(15) 0.1260(3) 0.22591(18) 0.0573(6) Uani 1 1 d . . . O4 O 0.49738(14) 0.2214(3) 0.38293(18) 0.0621(7) Uani 1 1 d . . . C1 C 0.25479(17) -0.0904(3) 0.1518(2) 0.0358(6) Uani 1 1 d . . . C2 C 0.18003(18) -0.0815(3) 0.0639(2) 0.0418(7) Uani 1 1 d . . . H2 H 0.1688 -0.1319 0.0038 0.050 Uiso 1 1 calc R . . C3 C 0.12188(17) 0.0050(3) 0.0676(2) 0.0404(7) Uani 1 1 d . . . H3 H 0.0706 0.0136 0.0097 0.048 Uiso 1 1 calc R . . C4 C 0.14067(17) 0.0779(3) 0.1576(2) 0.0378(7) Uani 1 1 d . . . C5 C 0.21517(17) 0.0680(3) 0.2471(2) 0.0357(6) Uani 1 1 d . . . H5 H 0.2260 0.1175 0.3075 0.043 Uiso 1 1 calc R . . C6 C 0.27222(17) -0.0180(3) 0.2430(2) 0.0333(6) Uani 1 1 d . . . C7 C 0.35855(17) -0.0561(3) 0.3258(2) 0.0384(7) Uani 1 1 d . . . C8 C 0.38809(19) -0.1426(3) 0.2589(3) 0.0465(7) Uani 1 1 d . . . C9 C 0.3544(2) -0.1488(4) 0.4088(3) 0.0530(8) Uani 1 1 d . . . C10 C 0.3667(4) -0.2808(6) 0.4118(4) 0.116(2) Uani 1 1 d U . . H10A H 0.3618 -0.3343 0.4621 0.139 Uiso 1 1 calc R . . H10B H 0.3805 -0.3214 0.3637 0.139 Uiso 1 1 calc R . . C11 C 0.3322(2) -0.0831(4) 0.4862(3) 0.0539(9) Uani 1 1 d . . . C12 C 0.3306(3) -0.1709(6) 0.5707(3) 0.0873(15) Uani 1 1 d . . . H12A H 0.3080 -0.1195 0.6080 0.131 Uiso 1 1 calc R . . H12B H 0.3852 -0.1987 0.6186 0.131 Uiso 1 1 calc R . . H12C H 0.2977 -0.2506 0.5397 0.131 Uiso 1 1 calc R . . C13 C 0.3276(2) -0.2399(3) 0.0783(3) 0.0509(8) Uani 1 1 d . . . H13A H 0.2834 -0.3058 0.0486 0.061 Uiso 1 1 calc R . . H13B H 0.3787 -0.2902 0.1062 0.061 Uiso 1 1 calc R . . C14 C 0.3225(2) -0.1453(4) -0.0070(3) 0.0512(8) Uani 1 1 d . . . C15 C 0.2626(2) -0.1624(5) -0.1088(3) 0.0614(10) Uani 1 1 d . . . H15 H 0.2254 -0.2340 -0.1253 0.074 Uiso 1 1 calc R . . C16 C 0.2575(3) -0.0730(6) -0.1872(3) 0.0774(13) Uani 1 1 d . . . H16 H 0.2163 -0.0845 -0.2557 0.093 Uiso 1 1 calc R . . C17 C 0.3122(3) 0.0309(6) -0.1646(4) 0.0880(15) Uani 1 1 d . . . H17 H 0.3087 0.0899 -0.2173 0.106 Uiso 1 1 calc R . . C18 C 0.3730(3) 0.0483(5) -0.0624(4) 0.0786(13) Uani 1 1 d . . . H18 H 0.4107 0.1190 -0.0465 0.094 Uiso 1 1 calc R . . C19 C 0.3778(2) -0.0381(4) 0.0152(3) 0.0648(10) Uani 1 1 d . . . H19 H 0.4186 -0.0251 0.0837 0.078 Uiso 1 1 calc R . . C20 C 0.43943(18) 0.1349(4) 0.3193(3) 0.0459(8) Uani 1 1 d . . . C21 C 0.5328(2) 0.3237(4) 0.3404(4) 0.0678(11) Uani 1 1 d . . . C22 C 0.4687(4) 0.4197(6) 0.2719(6) 0.128(2) Uani 1 1 d U . . H22A H 0.4323 0.3739 0.2080 0.192 Uiso 1 1 calc R . . H22B H 0.4934 0.4966 0.2557 0.192 Uiso 1 1 calc R . . H22C H 0.4388 0.4514 0.3072 0.192 Uiso 1 1 calc R . . C23 C 0.5767(3) 0.2517(5) 0.2888(4) 0.0847(14) Uani 1 1 d . . . H23A H 0.6168 0.1904 0.3382 0.127 Uiso 1 1 calc R . . H23B H 0.6032 0.3184 0.2658 0.127 Uiso 1 1 calc R . . H23C H 0.5382 0.2005 0.2294 0.127 Uiso 1 1 calc R . . C24 C 0.5957(4) 0.3917(7) 0.4413(5) 0.121(2) Uani 1 1 d . . . H24A H 0.5695 0.4228 0.4814 0.181 Uiso 1 1 calc R . . H24B H 0.6197 0.4685 0.4240 0.181 Uiso 1 1 calc R . . H24C H 0.6376 0.3266 0.4818 0.181 Uiso 1 1 calc R . . H2A H 0.4279(19) 0.084(4) 0.4354(17) 0.048(10) Uiso 1 1 d D . . 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 Br1 0.03716(16) 0.0650(2) 0.0619(2) -0.0111(2) 0.02115(14) 0.00912(18) N1 0.0374(13) 0.0434(15) 0.0477(15) -0.0062(12) 0.0176(13) 0.0039(11) N2 0.0398(14) 0.0569(17) 0.0321(14) -0.0027(13) 0.0116(12) -0.0073(12) O1 0.0417(13) 0.0761(18) 0.0730(17) -0.0003(14) 0.0190(13) 0.0192(13) O2 0.084(2) 0.0744(19) 0.0466(14) 0.0012(14) 0.0329(14) -0.0009(16) O3 0.0650(15) 0.0631(15) 0.0392(14) -0.0025(11) 0.0203(12) -0.0177(13) O4 0.0595(13) 0.074(2) 0.0567(13) -0.0221(14) 0.0306(11) -0.0345(15) C1 0.0332(15) 0.0355(16) 0.0388(16) -0.0016(13) 0.0169(13) -0.0012(12) C2 0.0374(16) 0.0499(18) 0.0370(16) -0.0111(14) 0.0164(14) -0.0032(14) C3 0.0267(14) 0.055(2) 0.0357(16) 0.0011(14) 0.0114(12) -0.0022(13) C4 0.0323(14) 0.0434(18) 0.0407(16) 0.0006(13) 0.0196(13) 0.0004(12) C5 0.0362(15) 0.0404(16) 0.0312(14) -0.0014(12) 0.0162(13) -0.0019(12) C6 0.0308(14) 0.0357(16) 0.0324(16) 0.0038(13) 0.0137(13) -0.0026(12) C7 0.0339(14) 0.0397(17) 0.0364(16) 0.0019(13) 0.0120(13) 0.0015(12) C8 0.0394(17) 0.0429(18) 0.0519(19) 0.0062(15) 0.0166(16) 0.0072(14) C9 0.052(2) 0.051(2) 0.0442(18) 0.0145(16) 0.0129(16) 0.0041(16) C10 0.195(6) 0.065(3) 0.116(4) 0.047(3) 0.096(4) 0.039(4) C11 0.0431(18) 0.070(3) 0.0373(18) 0.0150(18) 0.0093(15) -0.0036(18) C12 0.090(3) 0.109(4) 0.067(3) 0.036(3) 0.039(3) 0.008(3) C13 0.0503(19) 0.0436(18) 0.062(2) -0.0161(16) 0.0286(18) -0.0018(15) C14 0.053(2) 0.051(2) 0.062(2) -0.0126(18) 0.0375(19) 0.0053(16) C15 0.051(2) 0.078(3) 0.059(2) -0.018(2) 0.0297(19) -0.0021(19) C16 0.067(3) 0.111(4) 0.056(3) 0.001(3) 0.030(2) 0.014(3) C17 0.101(4) 0.101(4) 0.087(3) 0.020(3) 0.065(3) 0.022(3) C18 0.090(3) 0.069(3) 0.099(4) -0.009(3) 0.063(3) -0.013(2) C19 0.064(2) 0.069(3) 0.067(3) -0.017(2) 0.035(2) -0.010(2) C20 0.0371(17) 0.0494(18) 0.050(2) -0.0020(15) 0.0190(16) -0.0025(14) C21 0.064(2) 0.059(2) 0.092(3) -0.012(2) 0.046(2) -0.022(2) C22 0.098(4) 0.073(4) 0.208(7) 0.033(4) 0.066(4) 0.004(3) C23 0.087(3) 0.087(3) 0.108(4) -0.008(3) 0.069(3) -0.018(2) C24 0.111(4) 0.119(5) 0.152(5) -0.070(4) 0.078(4) -0.075(4) _geom_special_details ; All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag Br1 C4 1.903(3) . ? N1 C8 1.357(4) . ? N1 C1 1.402(4) . ? N1 C13 1.461(4) . ? N2 C20 1.343(4) . ? N2 C7 1.445(4) . ? N2 H2A 0.822(18) . ? O1 C8 1.211(4) . ? O2 C11 1.201(5) . ? O3 C20 1.201(4) . ? O4 C20 1.336(4) . ? O4 C21 1.473(5) . ? C1 C2 1.376(4) . ? C1 C6 1.389(4) . ? C2 C3 1.388(4) . ? C2 H2 0.9300 . ? C3 C4 1.372(4) . ? C3 H3 0.9300 . ? C4 C5 1.384(4) . ? C5 C6 1.370(4) . ? C5 H5 0.9300 . ? C6 C7 1.529(4) . ? C7 C9 1.528(4) . ? C7 C8 1.557(4) . ? C9 C10 1.304(7) . ? C9 C11 1.497(5) . ? C10 H10A 0.9300 . ? C10 H10B 0.9300 . ? C11 C12 1.498(5) . ? C12 H12A 0.9600 . ? C12 H12B 0.9600 . ? C12 H12C 0.9600 . ? C13 C14 1.503(5) . ? C13 H13A 0.9700 . ? C13 H13B 0.9700 . ? C14 C15 1.375(5) . ? C14 C19 1.391(5) . ? C15 C16 1.394(6) . ? C15 H15 0.9300 . ? C16 C17 1.360(7) . ? C16 H16 0.9300 . ? C17 C18 1.384(7) . ? C17 H17 0.9300 . ? C18 C19 1.368(6) . ? C18 H18 0.9300 . ? C19 H19 0.9300 . ? C21 C22 1.471(7) . ? C21 C23 1.504(6) . ? C21 C24 1.526(7) . ? C22 H22A 0.9600 . ? C22 H22B 0.9600 . ? C22 H22C 0.9600 . ? C23 H23A 0.9600 . ? C23 H23B 0.9600 . ? C23 H23C 0.9600 . ? C24 H24A 0.9600 . ? C24 H24B 0.9600 . ? C24 H24C 0.9600 . ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag C8 N1 C1 111.2(2) . . ? C8 N1 C13 124.0(3) . . ? C1 N1 C13 123.8(3) . . ? C20 N2 C7 120.1(3) . . ? C20 N2 H2A 115(3) . . ? C7 N2 H2A 124(2) . . ? C20 O4 C21 120.8(3) . . ? C2 C1 C6 121.9(3) . . ? C2 C1 N1 127.6(3) . . ? C6 C1 N1 110.5(2) . . ? C1 C2 C3 118.0(3) . . ? C1 C2 H2 121.0 . . ? C3 C2 H2 121.0 . . ? C4 C3 C2 119.4(3) . . ? C4 C3 H3 120.3 . . ? C2 C3 H3 120.3 . . ? C3 C4 C5 123.2(3) . . ? C3 C4 Br1 118.8(2) . . ? C5 C4 Br1 118.0(2) . . ? C6 C5 C4 117.1(3) . . ? C6 C5 H5 121.4 . . ? C4 C5 H5 121.4 . . ? C5 C6 C1 120.4(3) . . ? C5 C6 C7 131.4(3) . . ? C1 C6 C7 108.2(2) . . ? N2 C7 C9 110.1(3) . . ? N2 C7 C6 116.9(2) . . ? C9 C7 C6 109.8(2) . . ? N2 C7 C8 109.7(2) . . ? C9 C7 C8 108.8(3) . . ? C6 C7 C8 100.9(2) . . ? O1 C8 N1 126.5(3) . . ? O1 C8 C7 125.2(3) . . ? N1 C8 C7 108.2(2) . . ? C10 C9 C11 120.1(4) . . ? C10 C9 C7 122.5(4) . . ? C11 C9 C7 117.3(3) . . ? C9 C10 H10A 120.0 . . ? C9 C10 H10B 120.0 . . ? H10A C10 H10B 120.0 . . ? O2 C11 C9 120.4(3) . . ? O2 C11 C12 121.2(4) . . ? C9 C11 C12 118.3(4) . . ? C11 C12 H12A 109.5 . . ? C11 C12 H12B 109.5 . . ? H12A C12 H12B 109.5 . . ? C11 C12 H12C 109.5 . . ? H12A C12 H12C 109.5 . . ? H12B C12 H12C 109.5 . . ? N1 C13 C14 112.5(3) . . ? N1 C13 H13A 109.1 . . ? C14 C13 H13A 109.1 . . ? N1 C13 H13B 109.1 . . ? C14 C13 H13B 109.1 . . ? H13A C13 H13B 107.8 . . ? C15 C14 C19 118.6(4) . . ? C15 C14 C13 120.5(3) . . ? C19 C14 C13 120.9(3) . . ? C14 C15 C16 120.2(4) . . ? C14 C15 H15 119.9 . . ? C16 C15 H15 119.9 . . ? C17 C16 C15 120.6(4) . . ? C17 C16 H16 119.7 . . ? C15 C16 H16 119.7 . . ? C16 C17 C18 119.5(4) . . ? C16 C17 H17 120.2 . . ? C18 C17 H17 120.2 . . ? C19 C18 C17 120.2(4) . . ? C19 C18 H18 119.9 . . ? C17 C18 H18 119.9 . . ? C18 C19 C14 120.8(4) . . ? C18 C19 H19 119.6 . . ? C14 C19 H19 119.6 . . ? O3 C20 O4 125.9(3) . . ? O3 C20 N2 124.3(3) . . ? O4 C20 N2 109.8(3) . . ? C22 C21 O4 109.5(4) . . ? C22 C21 C23 114.7(5) . . ? O4 C21 C23 109.7(3) . . ? C22 C21 C24 112.4(5) . . ? O4 C21 C24 100.9(4) . . ? C23 C21 C24 108.8(4) . . ? C21 C22 H22A 109.5 . . ? C21 C22 H22B 109.5 . . ? H22A C22 H22B 109.5 . . ? C21 C22 H22C 109.5 . . ? H22A C22 H22C 109.5 . . ? H22B C22 H22C 109.5 . . ? C21 C23 H23A 109.5 . . ? C21 C23 H23B 109.5 . . ? H23A C23 H23B 109.5 . . ? C21 C23 H23C 109.5 . . ? H23A C23 H23C 109.5 . . ? H23B C23 H23C 109.5 . . ? C21 C24 H24A 109.5 . . ? C21 C24 H24B 109.5 . . ? H24A C24 H24B 109.5 . . ? C21 C24 H24C 109.5 . . ? H24A C24 H24C 109.5 . . ? H24B C24 H24C 109.5 . . ? 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_site_symmetry_1 _geom_torsion_site_symmetry_2 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 _geom_torsion_publ_flag C8 N1 C1 C2 175.4(3) . . . . ? C13 N1 C1 C2 6.7(5) . . . . ? C8 N1 C1 C6 -3.4(3) . . . . ? C13 N1 C1 C6 -172.1(3) . . . . ? C6 C1 C2 C3 1.3(4) . . . . ? N1 C1 C2 C3 -177.4(3) . . . . ? C1 C2 C3 C4 0.1(4) . . . . ? C2 C3 C4 C5 -1.2(4) . . . . ? C2 C3 C4 Br1 177.6(2) . . . . ? C3 C4 C5 C6 1.0(4) . . . . ? Br1 C4 C5 C6 -177.8(2) . . . . ? C4 C5 C6 C1 0.3(4) . . . . ? C4 C5 C6 C7 -178.5(3) . . . . ? C2 C1 C6 C5 -1.5(4) . . . . ? N1 C1 C6 C5 177.3(3) . . . . ? C2 C1 C6 C7 177.6(3) . . . . ? N1 C1 C6 C7 -3.5(3) . . . . ? C20 N2 C7 C9 167.5(3) . . . . ? C20 N2 C7 C6 -66.2(4) . . . . ? C20 N2 C7 C8 47.8(4) . . . . ? C5 C6 C7 N2 -54.2(4) . . . . ? C1 C6 C7 N2 126.8(3) . . . . ? C5 C6 C7 C9 72.2(4) . . . . ? C1 C6 C7 C9 -106.8(3) . . . . ? C5 C6 C7 C8 -173.1(3) . . . . ? C1 C6 C7 C8 8.0(3) . . . . ? C1 N1 C8 O1 -174.1(3) . . . . ? C13 N1 C8 O1 -5.4(5) . . . . ? C1 N1 C8 C7 8.7(3) . . . . ? C13 N1 C8 C7 177.3(3) . . . . ? N2 C7 C8 O1 48.8(4) . . . . ? C9 C7 C8 O1 -71.8(4) . . . . ? C6 C7 C8 O1 172.7(3) . . . . ? N2 C7 C8 N1 -134.0(3) . . . . ? C9 C7 C8 N1 105.5(3) . . . . ? C6 C7 C8 N1 -10.0(3) . . . . ? N2 C7 C9 C10 -126.3(5) . . . . ? C6 C7 C9 C10 103.6(5) . . . . ? C8 C7 C9 C10 -6.0(5) . . . . ? N2 C7 C9 C11 56.0(4) . . . . ? C6 C7 C9 C11 -74.2(4) . . . . ? C8 C7 C9 C11 176.3(3) . . . . ? C10 C9 C11 O2 -176.7(5) . . . . ? C7 C9 C11 O2 1.1(5) . . . . ? C10 C9 C11 C12 4.4(6) . . . . ? C7 C9 C11 C12 -177.9(3) . . . . ? C8 N1 C13 C14 -104.4(4) . . . . ? C1 N1 C13 C14 62.8(4) . . . . ? N1 C13 C14 C15 -122.5(3) . . . . ? N1 C13 C14 C19 57.0(4) . . . . ? C19 C14 C15 C16 -0.6(5) . . . . ? C13 C14 C15 C16 179.0(3) . . . . ? C14 C15 C16 C17 0.9(6) . . . . ? C15 C16 C17 C18 -0.5(7) . . . . ? C16 C17 C18 C19 -0.3(7) . . . . ? C17 C18 C19 C14 0.6(6) . . . . ? C15 C14 C19 C18 -0.2(5) . . . . ? C13 C14 C19 C18 -179.7(3) . . . . ? C21 O4 C20 O3 3.7(6) . . . . ? C21 O4 C20 N2 -177.5(3) . . . . ? C7 N2 C20 O3 5.5(5) . . . . ? C7 N2 C20 O4 -173.3(3) . . . . ? C20 O4 C21 C22 63.0(5) . . . . ? C20 O4 C21 C23 -63.6(5) . . . . ? C20 O4 C21 C24 -178.3(4) . . . . ? _diffrn_measured_fraction_theta_max 0.999 _diffrn_reflns_theta_full 26.00 _diffrn_measured_fraction_theta_full 0.999 _refine_diff_density_max 0.385 _refine_diff_density_min -0.317 _refine_diff_density_rms 0.046