# Supplementary Material (ESI) for Dalton Transactions # This journal is (c) The Royal Society of Chemistry 2010 ####################################################################### # # 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_ups291 _database_code_depnum_ccdc_archive 'CCDC 766384' #TrackingRef '- ups291.txt.cif' _audit_creation_method SHELXL-97 _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety 'C23 H22 N4 O Se' _chemical_formula_sum 'C23 H22 N4 O Se' _chemical_formula_weight 449.41 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' Se Se -0.0929 2.2259 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting Monoclinic _symmetry_space_group_name_H-M 'P 21/c' 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' _cell_length_a 10.8325(15) _cell_length_b 10.3833(15) _cell_length_c 19.310(3) _cell_angle_alpha 90.00 _cell_angle_beta 90.679(8) _cell_angle_gamma 90.00 _cell_volume 2171.8(6) _cell_formula_units_Z 4 _cell_measurement_temperature 296(2) _cell_measurement_reflns_used 8406 _cell_measurement_theta_min 2.72 _cell_measurement_theta_max 23.97 _exptl_crystal_description prism _exptl_crystal_colour orange _exptl_crystal_size_max 0.35 _exptl_crystal_size_mid 0.23 _exptl_crystal_size_min 0.15 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 1.374 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 920 _exptl_absorpt_coefficient_mu 1.750 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_correction_T_min 0.690572 _exptl_absorpt_correction_T_max 1.000 _exptl_absorpt_process_details 'Sadabs (Sheldrick, 1996)' _exptl_special_details ; ? ; _diffrn_ambient_temperature 296(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 'Bruker Apex 2 CCD area detector' _diffrn_measurement_method '\w scans' _diffrn_detector_area_resol_mean ? _diffrn_standards_number ? _diffrn_standards_interval_count ? _diffrn_standards_interval_time ? _diffrn_standards_decay_% ? _diffrn_reflns_number 38748 _diffrn_reflns_av_R_equivalents 0.0476 _diffrn_reflns_av_sigmaI/netI 0.0469 _diffrn_reflns_limit_h_min -15 _diffrn_reflns_limit_h_max 12 _diffrn_reflns_limit_k_min -12 _diffrn_reflns_limit_k_max 14 _diffrn_reflns_limit_l_min -27 _diffrn_reflns_limit_l_max 27 _diffrn_reflns_theta_min 2.23 _diffrn_reflns_theta_max 30.39 _reflns_number_total 6520 _reflns_number_gt 4040 _reflns_threshold_expression I>2\s(I) _computing_data_collection 'Bruker SMART' _computing_cell_refinement 'Bruker SMART' _computing_data_reduction 'Bruker SAINT' _computing_structure_solution 'SHELXS-97 (Sheldrick, 2008)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 2008)' _computing_molecular_graphics 'Bruker SHELXTL (Bruker, 2000)' _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^)+(0.0367P)^2^+0.3211P] 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 constr _refine_ls_extinction_method none _refine_ls_extinction_coef ? _refine_ls_number_reflns 6520 _refine_ls_number_parameters 266 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0808 _refine_ls_R_factor_gt 0.0359 _refine_ls_wR_factor_ref 0.0867 _refine_ls_wR_factor_gt 0.0748 _refine_ls_goodness_of_fit_ref 1.006 _refine_ls_restrained_S_all 1.006 _refine_ls_shift/su_max 0.002 _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 Se Se 0.020523(17) 0.558866(19) 0.184720(11) 0.04660(8) Uani 1 1 d . . . O1 O 0.24577(13) 0.42744(14) 0.34654(7) 0.0533(4) Uani 1 1 d . . . N1 N 0.09477(14) 0.52194(16) 0.28624(8) 0.0444(4) Uani 1 1 d . . . N11 N -0.03572(19) 0.5765(2) 0.08157(11) 0.0637(5) Uani 1 1 d . . . N12 N 0.0106(2) 0.6672(2) 0.05476(11) 0.0656(5) Uani 1 1 d . . . N13 N 0.0511(3) 0.7533(3) 0.02634(14) 0.1178(11) Uani 1 1 d . . . C1 C 0.15203(16) 0.44066(16) 0.16254(10) 0.0372(4) Uani 1 1 d . . . C2 C 0.17847(16) 0.40281(17) 0.09639(10) 0.0390(4) Uani 1 1 d . . . H2A H 0.1332 0.4361 0.0593 0.047 Uiso 1 1 calc R . . C3 C 0.27433(16) 0.31319(17) 0.08422(10) 0.0381(4) Uani 1 1 d . . . C4 C 0.30240(19) 0.27287(19) 0.01584(10) 0.0475(5) Uani 1 1 d . . . H4A H 0.2574 0.3062 -0.0214 0.057 Uiso 1 1 calc R . . C5 C 0.3941(2) 0.1863(2) 0.00395(11) 0.0547(5) Uani 1 1 d . . . H5A H 0.4117 0.1613 -0.0411 0.066 Uiso 1 1 calc R . . C6 C 0.46210(19) 0.1347(2) 0.05962(12) 0.0551(6) Uani 1 1 d . . . H6A H 0.5247 0.0757 0.0511 0.066 Uiso 1 1 calc R . . C7 C 0.43754(17) 0.16993(18) 0.12641(11) 0.0456(5) Uani 1 1 d . . . H7A H 0.4828 0.1337 0.1627 0.055 Uiso 1 1 calc R . . C8 C 0.34360(16) 0.26130(17) 0.14085(9) 0.0370(4) Uani 1 1 d . . . C9 C 0.31672(15) 0.30189(16) 0.20978(9) 0.0355(4) Uani 1 1 d . . . C10 C 0.22328(15) 0.39071(17) 0.21980(9) 0.0357(4) Uani 1 1 d . . . C11 C 0.39185(16) 0.24782(17) 0.26851(9) 0.0372(4) Uani 1 1 d . . . C12 C 0.50539(16) 0.30264(19) 0.28563(11) 0.0448(5) Uani 1 1 d . . . H12A H 0.5319 0.3754 0.2620 0.054 Uiso 1 1 calc R . . C13 C 0.57950(18) 0.2502(2) 0.33746(12) 0.0541(5) Uani 1 1 d . . . C14 C 0.5381(2) 0.1411(2) 0.37160(11) 0.0576(6) Uani 1 1 d . . . H14A H 0.5883 0.1045 0.4057 0.069 Uiso 1 1 calc R . . C15 C 0.4249(2) 0.08477(19) 0.35676(11) 0.0503(5) Uani 1 1 d . . . C16 C 0.35235(17) 0.13987(18) 0.30463(10) 0.0442(5) Uani 1 1 d . . . H16A H 0.2760 0.1037 0.2938 0.053 Uiso 1 1 calc R . . C17 C 0.7022(2) 0.3127(3) 0.35612(16) 0.0890(9) Uani 1 1 d . . . H17A H 0.7045 0.3984 0.3375 0.133 Uiso 1 1 calc R . . H17B H 0.7683 0.2629 0.3371 0.133 Uiso 1 1 calc R . . H17C H 0.7115 0.3164 0.4056 0.133 Uiso 1 1 calc R . . C18 C 0.3799(3) -0.0319(2) 0.39599(14) 0.0743(7) Uani 1 1 d . . . H18A H 0.2941 -0.0214 0.4065 0.111 Uiso 1 1 calc R . . H18B H 0.4266 -0.0407 0.4383 0.111 Uiso 1 1 calc R . . H18C H 0.3905 -0.1075 0.3681 0.111 Uiso 1 1 calc R . . C19 C 0.18725(16) 0.44578(17) 0.28598(9) 0.0381(4) Uani 1 1 d . . . C20 C 0.1714(2) 0.4962(3) 0.39786(11) 0.0613(6) Uani 1 1 d . . . H20A H 0.2237 0.5485 0.4278 0.074 Uiso 1 1 calc R . . H20B H 0.1261 0.4359 0.4262 0.074 Uiso 1 1 calc R . . C21 C 0.08210(18) 0.58160(19) 0.35569(10) 0.0453(5) Uani 1 1 d . . . C22 C 0.1258(3) 0.7198(2) 0.35076(15) 0.0819(8) Uani 1 1 d . . . H22A H 0.0741 0.7660 0.3186 0.123 Uiso 1 1 calc R . . H22B H 0.2096 0.7214 0.3351 0.123 Uiso 1 1 calc R . . H22C H 0.1215 0.7597 0.3955 0.123 Uiso 1 1 calc R . . C23 C -0.0498(2) 0.5712(2) 0.38031(13) 0.0617(6) Uani 1 1 d . . . H23A H -0.1029 0.6205 0.3503 0.093 Uiso 1 1 calc R . . H23B H -0.0549 0.6039 0.4267 0.093 Uiso 1 1 calc R . . H23C H -0.0750 0.4826 0.3796 0.093 Uiso 1 1 calc R . . 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 Se 0.04274(12) 0.04769(13) 0.04918(13) -0.00289(9) -0.00739(8) 0.01253(9) O1 0.0486(8) 0.0747(10) 0.0363(7) -0.0098(7) -0.0085(6) 0.0229(7) N1 0.0457(9) 0.0486(9) 0.0387(9) -0.0044(7) -0.0022(7) 0.0149(7) N11 0.0623(12) 0.0734(14) 0.0548(12) -0.0010(11) -0.0245(10) 0.0114(10) N12 0.0804(14) 0.0674(14) 0.0483(12) -0.0002(11) -0.0309(10) 0.0110(12) N13 0.169(3) 0.109(2) 0.0741(18) 0.0298(17) -0.0484(18) -0.037(2) C1 0.0337(9) 0.0366(9) 0.0410(10) -0.0014(8) -0.0044(7) 0.0010(7) C2 0.0389(10) 0.0411(10) 0.0368(10) 0.0010(8) -0.0058(8) -0.0017(8) C3 0.0385(10) 0.0362(9) 0.0398(10) -0.0024(8) 0.0012(8) -0.0073(8) C4 0.0544(12) 0.0492(12) 0.0390(11) -0.0048(9) 0.0006(9) -0.0072(9) C5 0.0623(13) 0.0552(13) 0.0469(12) -0.0161(10) 0.0109(10) -0.0050(11) C6 0.0510(12) 0.0508(13) 0.0635(15) -0.0208(11) 0.0071(11) 0.0029(10) C7 0.0427(10) 0.0424(11) 0.0518(12) -0.0087(9) -0.0018(9) 0.0026(8) C8 0.0345(9) 0.0347(9) 0.0416(10) -0.0059(8) 0.0008(8) -0.0031(7) C9 0.0319(9) 0.0352(9) 0.0394(10) -0.0030(8) -0.0025(7) -0.0020(7) C10 0.0334(9) 0.0372(9) 0.0364(10) -0.0024(8) -0.0035(7) 0.0011(7) C11 0.0322(9) 0.0409(10) 0.0384(10) -0.0058(8) -0.0015(7) 0.0073(7) C12 0.0360(10) 0.0470(11) 0.0513(12) -0.0044(9) -0.0026(8) 0.0020(8) C13 0.0373(10) 0.0637(14) 0.0610(14) -0.0132(11) -0.0106(10) 0.0098(10) C14 0.0569(13) 0.0647(15) 0.0507(13) -0.0040(11) -0.0150(10) 0.0263(11) C15 0.0583(13) 0.0452(12) 0.0473(12) -0.0004(9) 0.0003(10) 0.0173(9) C16 0.0397(10) 0.0430(11) 0.0497(12) -0.0036(9) -0.0034(9) 0.0055(8) C17 0.0487(14) 0.106(2) 0.112(2) -0.0153(18) -0.0333(15) 0.0010(14) C18 0.0934(19) 0.0571(15) 0.0724(18) 0.0170(12) 0.0043(14) 0.0166(13) C19 0.0369(9) 0.0413(10) 0.0359(10) -0.0013(8) -0.0029(8) 0.0024(8) C20 0.0557(13) 0.0867(16) 0.0413(12) -0.0142(12) -0.0032(10) 0.0247(12) C21 0.0455(11) 0.0505(12) 0.0398(11) -0.0114(9) -0.0009(9) 0.0081(9) C22 0.094(2) 0.0598(15) 0.093(2) -0.0243(14) 0.0173(16) -0.0098(14) C23 0.0482(12) 0.0740(16) 0.0632(15) -0.0123(12) 0.0056(11) 0.0113(11) _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 Se C1 1.9323(17) . ? Se N11 2.0842(19) . ? Se N1 2.1446(16) . ? O1 C19 1.337(2) . ? O1 C20 1.470(2) . ? N1 C19 1.276(2) . ? N1 C21 1.485(2) . ? N11 N12 1.188(3) . ? N12 N13 1.140(3) . ? C1 C2 1.370(3) . ? C1 C10 1.438(2) . ? C2 C3 1.416(3) . ? C2 H2A 0.9300 . ? C3 C4 1.422(3) . ? C3 C8 1.425(3) . ? C4 C5 1.361(3) . ? C4 H4A 0.9300 . ? C5 C6 1.402(3) . ? C5 H5A 0.9300 . ? C6 C7 1.370(3) . ? C6 H6A 0.9300 . ? C7 C8 1.421(3) . ? C7 H7A 0.9300 . ? C8 C9 1.429(2) . ? C9 C10 1.385(2) . ? C9 C11 1.497(2) . ? C10 C19 1.458(3) . ? C11 C16 1.390(3) . ? C11 C12 1.392(2) . ? C12 C13 1.387(3) . ? C12 H12A 0.9300 . ? C13 C14 1.388(3) . ? C13 C17 1.519(3) . ? C14 C15 1.386(3) . ? C14 H14A 0.9300 . ? C15 C16 1.392(3) . ? C15 C18 1.512(3) . ? C16 H16A 0.9300 . ? C17 H17A 0.9600 . ? C17 H17B 0.9600 . ? C17 H17C 0.9600 . ? C18 H18A 0.9600 . ? C18 H18B 0.9600 . ? C18 H18C 0.9600 . ? C20 C21 1.538(3) . ? C20 H20A 0.9700 . ? C20 H20B 0.9700 . ? C21 C23 1.515(3) . ? C21 C22 1.515(3) . ? C22 H22A 0.9600 . ? C22 H22B 0.9600 . ? C22 H22C 0.9600 . ? C23 H23A 0.9600 . ? C23 H23B 0.9600 . ? C23 H23C 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 C1 Se N11 92.98(8) . . ? C1 Se N1 79.60(7) . . ? N11 Se N1 172.55(7) . . ? C19 O1 C20 105.22(14) . . ? C19 N1 C21 110.05(15) . . ? C19 N1 Se 113.14(12) . . ? C21 N1 Se 135.50(12) . . ? N12 N11 Se 111.46(15) . . ? N13 N12 N11 176.6(2) . . ? C2 C1 C10 119.82(16) . . ? C2 C1 Se 123.48(14) . . ? C10 C1 Se 116.69(13) . . ? C1 C2 C3 120.34(17) . . ? C1 C2 H2A 119.8 . . ? C3 C2 H2A 119.8 . . ? C2 C3 C4 120.87(18) . . ? C2 C3 C8 120.12(17) . . ? C4 C3 C8 119.02(17) . . ? C5 C4 C3 121.0(2) . . ? C5 C4 H4A 119.5 . . ? C3 C4 H4A 119.5 . . ? C4 C5 C6 120.1(2) . . ? C4 C5 H5A 120.0 . . ? C6 C5 H5A 120.0 . . ? C7 C6 C5 120.90(19) . . ? C7 C6 H6A 119.5 . . ? C5 C6 H6A 119.5 . . ? C6 C7 C8 120.70(19) . . ? C6 C7 H7A 119.6 . . ? C8 C7 H7A 119.6 . . ? C7 C8 C3 118.27(17) . . ? C7 C8 C9 122.26(17) . . ? C3 C8 C9 119.47(16) . . ? C10 C9 C8 118.94(16) . . ? C10 C9 C11 122.38(16) . . ? C8 C9 C11 118.68(15) . . ? C9 C10 C1 121.29(16) . . ? C9 C10 C19 126.00(16) . . ? C1 C10 C19 112.70(15) . . ? C16 C11 C12 119.13(17) . . ? C16 C11 C9 120.97(16) . . ? C12 C11 C9 119.84(17) . . ? C13 C12 C11 120.9(2) . . ? C13 C12 H12A 119.6 . . ? C11 C12 H12A 119.6 . . ? C12 C13 C14 118.41(19) . . ? C12 C13 C17 120.1(2) . . ? C14 C13 C17 121.5(2) . . ? C15 C14 C13 122.44(19) . . ? C15 C14 H14A 118.8 . . ? C13 C14 H14A 118.8 . . ? C14 C15 C16 117.8(2) . . ? C14 C15 C18 121.6(2) . . ? C16 C15 C18 120.6(2) . . ? C11 C16 C15 121.31(18) . . ? C11 C16 H16A 119.3 . . ? C15 C16 H16A 119.3 . . ? C13 C17 H17A 109.5 . . ? C13 C17 H17B 109.5 . . ? H17A C17 H17B 109.5 . . ? C13 C17 H17C 109.5 . . ? H17A C17 H17C 109.5 . . ? H17B C17 H17C 109.5 . . ? C15 C18 H18A 109.5 . . ? C15 C18 H18B 109.5 . . ? H18A C18 H18B 109.5 . . ? C15 C18 H18C 109.5 . . ? H18A C18 H18C 109.5 . . ? H18B C18 H18C 109.5 . . ? N1 C19 O1 116.67(16) . . ? N1 C19 C10 117.70(16) . . ? O1 C19 C10 125.58(16) . . ? O1 C20 C21 105.63(16) . . ? O1 C20 H20A 110.6 . . ? C21 C20 H20A 110.6 . . ? O1 C20 H20B 110.6 . . ? C21 C20 H20B 110.6 . . ? H20A C20 H20B 108.7 . . ? N1 C21 C23 110.57(17) . . ? N1 C21 C22 107.83(18) . . ? C23 C21 C22 112.59(18) . . ? N1 C21 C20 99.99(15) . . ? C23 C21 C20 112.47(19) . . ? C22 C21 C20 112.6(2) . . ? 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 . . ? 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 C1 Se N1 C19 1.15(14) . . . . ? N11 Se N1 C19 7.0(7) . . . . ? C1 Se N1 C21 166.38(19) . . . . ? N11 Se N1 C21 172.2(5) . . . . ? C1 Se N11 N12 -94.41(18) . . . . ? N1 Se N11 N12 -100.2(6) . . . . ? Se N11 N12 N13 -169(5) . . . . ? N11 Se C1 C2 1.57(17) . . . . ? N1 Se C1 C2 -179.18(17) . . . . ? N11 Se C1 C10 -177.81(14) . . . . ? N1 Se C1 C10 1.43(13) . . . . ? C10 C1 C2 C3 1.0(3) . . . . ? Se C1 C2 C3 -178.36(13) . . . . ? C1 C2 C3 C4 179.81(17) . . . . ? C1 C2 C3 C8 0.3(3) . . . . ? C2 C3 C4 C5 -179.70(18) . . . . ? C8 C3 C4 C5 -0.2(3) . . . . ? C3 C4 C5 C6 0.4(3) . . . . ? C4 C5 C6 C7 0.1(3) . . . . ? C5 C6 C7 C8 -1.0(3) . . . . ? C6 C7 C8 C3 1.2(3) . . . . ? C6 C7 C8 C9 -178.99(18) . . . . ? C2 C3 C8 C7 178.92(16) . . . . ? C4 C3 C8 C7 -0.6(2) . . . . ? C2 C3 C8 C9 -0.9(2) . . . . ? C4 C3 C8 C9 179.55(16) . . . . ? C7 C8 C9 C10 -179.60(17) . . . . ? C3 C8 C9 C10 0.2(2) . . . . ? C7 C8 C9 C11 1.1(3) . . . . ? C3 C8 C9 C11 -179.06(15) . . . . ? C8 C9 C10 C1 1.1(3) . . . . ? C11 C9 C10 C1 -179.66(16) . . . . ? C8 C9 C10 C19 -177.51(17) . . . . ? C11 C9 C10 C19 1.8(3) . . . . ? C2 C1 C10 C9 -1.7(3) . . . . ? Se C1 C10 C9 177.69(13) . . . . ? C2 C1 C10 C19 177.03(16) . . . . ? Se C1 C10 C19 -3.6(2) . . . . ? C10 C9 C11 C16 86.9(2) . . . . ? C8 C9 C11 C16 -93.8(2) . . . . ? C10 C9 C11 C12 -95.8(2) . . . . ? C8 C9 C11 C12 83.5(2) . . . . ? C16 C11 C12 C13 0.7(3) . . . . ? C9 C11 C12 C13 -176.66(18) . . . . ? C11 C12 C13 C14 0.4(3) . . . . ? C11 C12 C13 C17 -179.1(2) . . . . ? C12 C13 C14 C15 -1.4(3) . . . . ? C17 C13 C14 C15 178.1(2) . . . . ? C13 C14 C15 C16 1.2(3) . . . . ? C13 C14 C15 C18 -178.2(2) . . . . ? C12 C11 C16 C15 -0.9(3) . . . . ? C9 C11 C16 C15 176.40(17) . . . . ? C14 C15 C16 C11 0.0(3) . . . . ? C18 C15 C16 C11 179.41(19) . . . . ? C21 N1 C19 O1 5.0(2) . . . . ? Se N1 C19 O1 174.00(13) . . . . ? C21 N1 C19 C10 -172.52(16) . . . . ? Se N1 C19 C10 -3.5(2) . . . . ? C20 O1 C19 N1 5.7(2) . . . . ? C20 O1 C19 C10 -177.05(19) . . . . ? C9 C10 C19 N1 -176.66(17) . . . . ? C1 C10 C19 N1 4.7(2) . . . . ? C9 C10 C19 O1 6.1(3) . . . . ? C1 C10 C19 O1 -172.58(17) . . . . ? C19 O1 C20 C21 -13.3(2) . . . . ? C19 N1 C21 C23 -131.23(18) . . . . ? Se N1 C21 C23 63.2(2) . . . . ? C19 N1 C21 C22 105.3(2) . . . . ? Se N1 C21 C22 -60.3(2) . . . . ? C19 N1 C21 C20 -12.5(2) . . . . ? Se N1 C21 C20 -178.06(16) . . . . ? O1 C20 C21 N1 15.1(2) . . . . ? O1 C20 C21 C23 132.44(19) . . . . ? O1 C20 C21 C22 -99.1(2) . . . . ? _diffrn_measured_fraction_theta_max 0.993 _diffrn_reflns_theta_full 25.00 _diffrn_measured_fraction_theta_full 0.999 _refine_diff_density_max 0.284 _refine_diff_density_min -0.367 _refine_diff_density_rms 0.050