#------------------------------------------------------------------------------ #$Date: 2012-02-03 19:16:24 +0200 (Fri, 03 Feb 2012) $ #$Revision: 32112 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/00/57/2005708.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_2005708 loop_ _publ_author_name 'Polamo, M.' _publ_section_title ; Trichlorobis[2,6-di(phenylamino)pyridinato-N,N']tantalum(V) Toluene Solvate (1/1) ; _journal_issue 12 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 2977 _journal_page_last 2980 _journal_volume 52 _journal_year 1996 _chemical_formula_iupac '[Ta Cl3 (C17 H14 N3)2], C7 H8' _chemical_formula_structural '[C34 H28 Cl3 N6 Ta][C7 H8]' _chemical_formula_sum 'C41 H36 Cl3 N6 Ta' _chemical_formula_weight 900.06 _chemical_name_common Bis(dianilinopyridine)tantalumtrichloride _chemical_name_systematic ; Trichlorobis[2,6-di(phenylamino)pyridinato-N,N')tantalum(V) ; _space_group_IT_number 2 _symmetry_cell_setting triclinic _symmetry_space_group_name_Hall '-P 1' _symmetry_space_group_name_H-M 'P -1' _audit_creation_method SHELXL _cell_angle_alpha 97.05(7) _cell_angle_beta 101.34(9) _cell_angle_gamma 108.38(9) _cell_formula_units_Z 2 _cell_length_a 10.572(11) _cell_length_b 11.070(10) _cell_length_c 17.109(14) _cell_measurement_reflns_used 20 _cell_measurement_temperature 193(1) _cell_measurement_theta_max 15 _cell_measurement_theta_min 3 _cell_volume 1826(3) _computing_cell_refinement 'MSC/AFC Diffractometer Control Software' _computing_data_collection ; MSC/AFC Diffractometer Control Software (Molecular Structure Corporation, 1993a) ; _computing_data_reduction 'TEXSAN (Molecular Structure Corporation, 1993b)' _computing_molecular_graphics SHELXTL/PC _computing_publication_material SHELXL93 _computing_structure_refinement SHELXL93 _computing_structure_solution 'SHELXTL/PC (Sheldrick, 1990)' _diffrn_ambient_temperature 193.0(10) _diffrn_measurement_device 'Rigaku AFC7S' _diffrn_measurement_method \w-2\q _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0000 _diffrn_reflns_av_sigmaI/netI 0.0155 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_h_min -12 _diffrn_reflns_limit_k_max 13 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 20 _diffrn_reflns_limit_l_min -20 _diffrn_reflns_number 6333 _diffrn_reflns_theta_max 24.99 _diffrn_reflns_theta_min 2.53 _diffrn_standards_decay_% 5.2 _diffrn_standards_interval_count 200 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 3.269 _exptl_absorpt_correction_T_max 1.000 _exptl_absorpt_correction_T_min 0.706 _exptl_absorpt_correction_type '\y scan (North, Phillips & Mathews, 1968)' _exptl_crystal_colour 'dark red' _exptl_crystal_density_diffrn 1.637 _exptl_crystal_density_meas 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 896 _exptl_crystal_size_max 0.50 _exptl_crystal_size_mid 0.50 _exptl_crystal_size_min 0.35 _refine_diff_density_max 4.054 _refine_diff_density_min -6.696 _refine_ls_extinction_coef 0.0070(10) _refine_ls_extinction_method SHELXL93 _refine_ls_goodness_of_fit_all 1.152 _refine_ls_goodness_of_fit_obs 1.162 _refine_ls_matrix_type full _refine_ls_number_parameters 461 _refine_ls_number_reflns 6333 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.152 _refine_ls_restrained_S_obs 1.162 _refine_ls_R_factor_all 0.0685 _refine_ls_R_factor_obs 0.0680 _refine_ls_shift/esd_max 0.019 _refine_ls_shift/esd_mean 0.003 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_scheme ; calc w = 1/[\s^2^(Fo^2^) + (0.147P)^2^+4.756P] where P = (Fo^2^ + 2Fc^2^)/3 ; _refine_ls_wR_factor_all 0.1908 _refine_ls_wR_factor_obs 0.1902 _reflns_number_observed 6200 _reflns_number_total 6333 _reflns_observed_criterion >2sigma(I) _[local]_cod_data_source_file ab1399.cif _[local]_cod_data_source_block ta26ap _cod_depositor_comments ; The following automatic conversions were performed: '_chemical_melting_point' value 'not measured' was changed to '?' - the value is undefined or not given. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana ; _cod_database_code 2005708 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' 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 Ta1 1 0.21660(3) 0.76102(2) 0.244621(15) 0.0319(2) Uani d . Ta Cl1 1 -0.0055(2) 0.6131(2) 0.24236(14) 0.0452(5) Uani d . Cl Cl2 1 0.0926(2) 0.9207(2) 0.24819(12) 0.0444(5) Uani d . Cl Cl3 1 0.4081(2) 0.9536(2) 0.25648(13) 0.0423(5) Uani d . Cl N1 1 0.1210(7) 0.7285(7) 0.1086(4) 0.0362(15) Uani d . N C2 1 0.0212(9) 0.7365(8) 0.0483(5) 0.038(2) Uani d . C C3 1 0.0187(10) 0.6935(9) -0.0335(5) 0.044(2) Uani d . C H3 1 -0.0512(10) 0.6970(9) -0.0766(5) 0.067 Uiso calc R H C4 1 0.1187(12) 0.6468(11) -0.0498(6) 0.051(2) Uani d . C H4 1 0.1188(12) 0.6211(11) -0.1048(6) 0.076 Uiso calc R H C5 1 0.2194(11) 0.6359(9) 0.0117(5) 0.047(2) Uani d . C H5 1 0.2886(11) 0.6038(9) 0.0004(5) 0.071 Uiso calc R H C6 1 0.2133(9) 0.6741(8) 0.0898(5) 0.037(2) Uani d . C N7 1 0.2932(7) 0.6704(7) 0.1633(4) 0.0373(15) Uani d . N C8 1 0.4068(9) 0.6280(8) 0.1649(5) 0.035(2) Uani d . C C9 1 0.5377(8) 0.7081(8) 0.2083(5) 0.037(2) Uani d . C H9 1 0.5519(8) 0.7918(8) 0.2377(5) 0.055 Uiso calc R H C10 1 0.6498(10) 0.6650(9) 0.2089(5) 0.045(2) Uani d . C H10 1 0.7400(10) 0.7199(9) 0.2384(5) 0.068 Uiso calc R H C11 1 0.6285(10) 0.5431(10) 0.1668(6) 0.051(2) Uani d . C H11 1 0.7041(10) 0.5140(10) 0.1676(6) 0.076 Uiso calc R H C12 1 0.4976(11) 0.4629(9) 0.1232(6) 0.053(2) Uani d . C H12 1 0.4834(11) 0.3791(9) 0.0939(6) 0.079 Uiso calc R H C13 1 0.3874(10) 0.5055(9) 0.1225(6) 0.046(2) Uani d . C H13 1 0.2975(10) 0.4502(9) 0.0927(6) 0.070 Uiso calc R H N14 1 -0.0753(9) 0.7803(8) 0.0698(4) 0.046(2) Uani d . N H14 1 -0.0799(9) 0.7808(8) 0.1206(4) 0.069 Uiso calc R H C15 1 -0.1696(10) 0.8254(9) 0.0227(5) 0.039(2) Uani d . C C16 1 -0.2893(12) 0.8173(10) 0.0459(6) 0.052(2) Uani d . C H16 1 -0.3081(12) 0.7773(10) 0.0904(6) 0.077 Uiso calc R H C17 1 -0.3821(11) 0.8668(10) 0.0053(7) 0.054(2) Uani d . C H17 1 -0.4637(11) 0.8608(10) 0.0223(7) 0.081 Uiso calc R H C18 1 -0.3576(11) 0.9241(9) -0.0592(6) 0.052(2) Uani d . C H18 1 -0.4213(11) 0.9588(9) -0.0866(6) 0.078 Uiso calc R H C19 1 -0.2392(11) 0.9313(9) -0.0842(6) 0.052(2) Uani d . C H19 1 -0.2226(11) 0.9690(9) -0.1298(6) 0.078 Uiso calc R H C20 1 -0.1447(10) 0.8837(9) -0.0430(5) 0.045(2) Uani d . C H20 1 -0.0625(10) 0.8909(9) -0.0597(5) 0.068 Uiso calc R H N21 1 0.2713(8) 0.8276(7) 0.3813(4) 0.039(2) Uani d . N C22 1 0.2908(10) 0.9212(8) 0.4466(5) 0.041(2) Uani d . C C23 1 0.3487(11) 0.9102(9) 0.5257(5) 0.046(2) Uani d . C H23 1 0.3597(11) 0.9744(9) 0.5713(5) 0.069 Uiso calc R H C24 1 0.3888(12) 0.8063(11) 0.5360(6) 0.050(2) Uani d . C H24 1 0.4283(12) 0.7991(11) 0.5893(6) 0.075 Uiso calc R H C25 1 0.3731(10) 0.7097(9) 0.4698(5) 0.046(2) Uani d . C H25 1 0.3987(10) 0.6361(9) 0.4767(5) 0.069 Uiso calc R H C26 1 0.3189(9) 0.7280(8) 0.3950(5) 0.037(2) Uani d . C N27 1 0.2961(8) 0.6561(6) 0.3180(4) 0.0373(14) Uani d . N C28 1 0.3142(10) 0.5329(8) 0.3081(5) 0.041(2) Uani d . C C29 1 0.2047(10) 0.4217(9) 0.2687(5) 0.045(2) Uani d . C H29 1 0.1157(10) 0.4263(9) 0.2507(5) 0.067 Uiso calc R H C30 1 0.2236(12) 0.3027(10) 0.2552(6) 0.054(2) Uani d . C H30 1 0.1482(12) 0.2268(10) 0.2269(6) 0.081 Uiso calc R H C31 1 0.3536(12) 0.2954(9) 0.2834(6) 0.053(2) Uani d . C H31 1 0.3669(12) 0.2144(9) 0.2741(6) 0.080 Uiso calc R H C32 1 0.4647(12) 0.4076(10) 0.3253(6) 0.055(2) Uani d . C H32 1 0.5531(12) 0.4028(10) 0.3449(6) 0.083 Uiso calc R H C33 1 0.4444(11) 0.5265(9) 0.3381(5) 0.046(2) Uani d . C H33 1 0.5188(11) 0.6027(9) 0.3672(5) 0.068 Uiso calc R H N34 1 0.2546(9) 1.0242(7) 0.4304(4) 0.046(2) Uani d . N H34 1 0.2473(9) 1.0372(7) 0.3802(4) 0.069 Uiso calc R H C35 1 0.2272(9) 1.1138(9) 0.4858(5) 0.042(2) Uani d . C C36 1 0.2567(11) 1.2415(9) 0.4744(6) 0.049(2) Uani d . C H36 1 0.2991(11) 1.2684(9) 0.4323(6) 0.074 Uiso calc R H C37 1 0.2239(14) 1.3287(11) 0.5243(7) 0.058(3) Uani d . C H37 1 0.2452(14) 1.4160(11) 0.5171(7) 0.088 Uiso calc R H C38 1 0.1599(12) 1.2893(11) 0.5851(6) 0.059(3) Uani d . C H38 1 0.1370(12) 1.3494(11) 0.6192(6) 0.089 Uiso calc R H C39 1 0.1304(12) 1.1651(11) 0.5958(6) 0.059(3) Uani d . C H39 1 0.0864(12) 1.1386(11) 0.6374(6) 0.089 Uiso calc R H C40 1 0.1637(10) 1.0754(10) 0.5467(6) 0.050(2) Uani d . C H40 1 0.1429(10) 0.9886(10) 0.5549(6) 0.074 Uiso calc R H C41 1 0.0592(19) 0.6099(17) 0.5911(8) 0.102(5) Uani d . C H41A 1 -0.0087(19) 0.6395(17) 0.5591(8) 0.152 Uiso calc R H H41B 1 0.0120(19) 0.5262(17) 0.6041(8) 0.152 Uiso calc R H H41C 1 0.1246(19) 0.6001(17) 0.5596(8) 0.152 Uiso calc R H C42 1 0.1359(12) 0.7089(11) 0.6693(7) 0.058(3) Uani d . C C43 1 0.1054(15) 0.8194(13) 0.6889(9) 0.075(3) Uani d . C H43 1 0.0386(15) 0.8374(13) 0.6508(9) 0.113 Uiso calc R H C44 1 0.1686(16) 0.9034(13) 0.7614(12) 0.097(5) Uani d . C H44 1 0.1438(16) 0.9772(13) 0.7749(12) 0.145 Uiso calc R H C45 1 0.2700(18) 0.8793(15) 0.8154(11) 0.101(5) Uani d . C H45 1 0.3170(18) 0.9380(15) 0.8658(11) 0.152 Uiso calc R H C46 1 0.3021(16) 0.7706(14) 0.7959(10) 0.079(4) Uani d . C H46 1 0.3707(16) 0.7531(14) 0.8330(10) 0.119 Uiso calc R H C47 1 0.2362(12) 0.6888(12) 0.7240(8) 0.059(3) Uani d . C H47 1 0.2604(12) 0.6144(12) 0.7109(8) 0.088 Uiso calc R H 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 Ta1 0.0553(3) 0.0314(3) 0.0209(3) 0.0287(2) 0.0144(2) 0.00457(15) Cl1 0.0576(11) 0.0467(11) 0.0415(11) 0.0259(9) 0.0217(9) 0.0100(9) Cl2 0.0723(13) 0.0475(11) 0.0295(10) 0.0436(10) 0.0134(9) 0.0037(8) Cl3 0.0687(12) 0.0313(10) 0.0371(10) 0.0269(9) 0.0197(9) 0.0081(8) N1 0.056(4) 0.038(4) 0.026(3) 0.027(3) 0.018(3) 0.006(3) C2 0.053(4) 0.040(4) 0.029(4) 0.027(4) 0.011(3) 0.010(3) C3 0.068(5) 0.050(5) 0.023(4) 0.033(4) 0.012(4) 0.002(4) C4 0.081(6) 0.064(6) 0.021(4) 0.043(5) 0.020(4) 0.001(4) C5 0.076(6) 0.054(5) 0.032(5) 0.044(5) 0.025(4) 0.008(4) C6 0.060(5) 0.032(4) 0.031(4) 0.028(4) 0.017(4) 0.006(3) N7 0.054(4) 0.037(4) 0.032(4) 0.029(3) 0.017(3) 0.004(3) C8 0.058(4) 0.038(4) 0.024(4) 0.030(3) 0.020(3) 0.011(3) C9 0.052(4) 0.040(4) 0.032(4) 0.029(3) 0.020(3) 0.007(3) C10 0.058(5) 0.052(5) 0.037(5) 0.029(4) 0.016(4) 0.013(4) C11 0.068(5) 0.061(6) 0.044(5) 0.044(5) 0.021(4) 0.016(4) C12 0.082(6) 0.042(5) 0.048(5) 0.042(5) 0.020(5) 0.005(4) C13 0.065(5) 0.042(5) 0.042(5) 0.030(4) 0.017(4) 0.006(4) N14 0.075(5) 0.062(5) 0.021(3) 0.045(4) 0.018(3) 0.011(3) C15 0.062(5) 0.041(4) 0.024(4) 0.032(4) 0.011(3) 0.001(3) C16 0.084(6) 0.053(5) 0.037(5) 0.043(5) 0.024(5) 0.012(4) C17 0.069(6) 0.055(6) 0.052(6) 0.042(5) 0.017(5) 0.007(5) C18 0.075(6) 0.044(5) 0.039(5) 0.037(4) -0.002(4) 0.000(4) C19 0.083(6) 0.041(5) 0.037(5) 0.032(4) 0.008(4) 0.009(4) C20 0.066(5) 0.042(5) 0.033(4) 0.026(4) 0.013(4) 0.008(4) N21 0.063(4) 0.038(4) 0.028(4) 0.032(3) 0.018(3) 0.008(3) C22 0.068(5) 0.040(4) 0.023(4) 0.027(4) 0.018(4) 0.000(3) C23 0.080(6) 0.046(5) 0.019(4) 0.032(4) 0.013(4) 0.000(3) C24 0.079(6) 0.055(6) 0.028(5) 0.037(5) 0.015(4) 0.010(4) C25 0.077(6) 0.045(5) 0.031(4) 0.040(4) 0.015(4) 0.013(4) C26 0.060(5) 0.031(4) 0.030(4) 0.028(4) 0.014(3) 0.006(3) N27 0.066(4) 0.033(3) 0.028(3) 0.032(3) 0.018(3) 0.009(3) C28 0.079(6) 0.035(4) 0.027(4) 0.036(4) 0.022(4) 0.012(3) C29 0.073(5) 0.042(5) 0.036(4) 0.037(4) 0.020(4) 0.010(4) C30 0.091(7) 0.033(5) 0.050(5) 0.032(4) 0.028(5) 0.006(4) C31 0.101(7) 0.040(5) 0.044(5) 0.046(5) 0.033(5) 0.016(4) C32 0.093(7) 0.060(6) 0.045(5) 0.057(6) 0.029(5) 0.024(5) C33 0.076(6) 0.041(5) 0.039(5) 0.037(4) 0.024(4) 0.016(4) N34 0.085(5) 0.045(4) 0.021(3) 0.042(4) 0.014(3) 0.002(3) C35 0.062(5) 0.046(5) 0.028(4) 0.033(4) 0.013(3) 0.001(3) C36 0.074(6) 0.051(5) 0.037(5) 0.041(5) 0.018(4) 0.007(4) C37 0.095(8) 0.046(6) 0.046(6) 0.045(6) 0.017(5) 0.000(4) C38 0.079(6) 0.063(6) 0.044(5) 0.043(5) 0.020(5) -0.012(5) C39 0.080(6) 0.074(7) 0.034(5) 0.038(5) 0.027(5) -0.003(5) C40 0.070(6) 0.050(5) 0.039(5) 0.030(4) 0.022(4) 0.005(4) C41 0.137(14) 0.115(12) 0.055(8) 0.068(11) 0.002(8) -0.006(8) C42 0.075(6) 0.060(6) 0.057(6) 0.041(5) 0.026(5) 0.021(5) C43 0.094(8) 0.068(8) 0.085(9) 0.052(7) 0.025(7) 0.025(7) C44 0.100(10) 0.057(7) 0.147(16) 0.053(7) 0.033(10) 0.002(8) C45 0.112(11) 0.074(9) 0.100(12) 0.040(8) 0.004(9) -0.028(8) C46 0.095(9) 0.065(8) 0.077(10) 0.041(7) 0.003(7) 0.010(7) C47 0.075(6) 0.052(6) 0.065(7) 0.034(5) 0.030(6) 0.016(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 0.0000 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' Cl Cl 0.1484 0.1585 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Ta Ta -0.7052 6.5227 '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 N27 Ta1 N7 81.1(3) yes N27 Ta1 N21 60.6(3) yes N7 Ta1 N21 135.8(3) yes N27 Ta1 N1 134.4(3) yes N7 Ta1 N1 60.6(3) yes N21 Ta1 N1 163.4(3) yes N27 Ta1 Cl3 103.9(2) yes N7 Ta1 Cl3 87.4(2) yes N21 Ta1 Cl3 81.8(2) yes N1 Ta1 Cl3 98.4(2) yes N27 Ta1 Cl1 86.7(2) yes N7 Ta1 Cl1 107.2(2) yes N21 Ta1 Cl1 92.7(2) yes N1 Ta1 Cl1 82.5(2) yes Cl3 Ta1 Cl1 163.38(8) yes N27 Ta1 Cl2 140.7(2) yes N7 Ta1 Cl2 138.2(2) yes N21 Ta1 Cl2 82.4(2) yes N1 Ta1 Cl2 81.2(2) yes Cl3 Ta1 Cl2 81.87(8) yes Cl1 Ta1 Cl2 81.86(8) yes N27 Ta1 C6 108.8(2) ? N7 Ta1 C6 30.2(3) ? N21 Ta1 C6 165.6(3) ? N1 Ta1 C6 30.4(3) ? Cl3 Ta1 C6 92.2(2) ? Cl1 Ta1 C6 96.5(2) ? Cl2 Ta1 C6 109.8(2) ? C2 N1 C6 119.8(7) yes C2 N1 Ta1 148.4(5) yes C6 N1 Ta1 91.8(5) yes N14 C2 N1 117.9(7) yes N14 C2 C3 123.0(8) ? N1 C2 C3 119.1(8) ? C4 C3 C2 119.1(8) ? C3 C4 C5 122.0(8) ? C6 C5 C4 116.2(8) ? N1 C6 C5 123.6(8) ? N1 C6 N7 106.0(7) yes C5 C6 N7 130.4(8) ? N1 C6 Ta1 57.8(4) ? C5 C6 Ta1 176.4(7) ? N7 C6 Ta1 48.2(4) ? C6 N7 C8 119.9(7) yes C6 N7 Ta1 101.6(5) yes C8 N7 Ta1 137.8(6) yes C9 C8 C13 119.5(8) ? C9 C8 N7 120.4(7) ? C13 C8 N7 120.1(8) ? C8 C9 C10 119.8(8) ? C11 C10 C9 119.9(9) ? C10 C11 C12 120.4(9) ? C13 C12 C11 119.6(9) ? C12 C13 C8 120.8(9) ? C2 N14 C15 129.5(7) yes C16 C15 C20 118.6(9) ? C16 C15 N14 118.0(8) ? C20 C15 N14 123.4(8) ? C15 C16 C17 120.8(9) ? C18 C17 C16 120.7(10) ? C17 C18 C19 119.3(9) ? C18 C19 C20 120.3(9) ? C19 C20 C15 120.3(9) ? C22 N21 C26 117.7(7) yes C22 N21 Ta1 148.9(6) yes C26 N21 Ta1 92.7(5) yes N34 C22 N21 116.4(7) yes N34 C22 C23 123.1(8) ? N21 C22 C23 120.6(8) ? C24 C23 C22 119.1(8) ? C23 C24 C25 121.7(9) ? C26 C25 C24 116.0(8) ? C25 C26 N21 124.7(8) ? C25 C26 N27 130.8(7) ? N21 C26 N27 104.5(7) yes C26 N27 C28 120.6(6) yes C26 N27 Ta1 102.1(5) yes C28 N27 Ta1 136.7(5) yes C29 C28 C33 120.3(8) ? C29 C28 N27 120.3(8) ? C33 C28 N27 119.3(8) ? C28 C29 C30 120.4(9) ? C29 C30 C31 119.8(10) ? C30 C31 C32 120.0(8) ? C33 C32 C31 119.6(10) ? C32 C33 C28 119.8(9) ? C22 N34 C35 127.0(7) yes C40 C35 C36 119.5(8) ? C40 C35 N34 121.8(8) ? C36 C35 N34 118.5(8) ? C37 C36 C35 119.8(10) ? C36 C37 C38 120.3(10) ? C39 C38 C37 119.9(9) ? C38 C39 C40 120.9(10) ? C35 C40 C39 119.5(9) ? C47 C42 C43 117.6(12) ? C47 C42 C41 120.2(11) ? C43 C42 C41 122.1(12) ? C44 C43 C42 121.7(12) ? C43 C44 C45 118.8(12) ? C46 C45 C44 119.8(14) ? C47 C46 C45 119.7(15) ? C46 C47 C42 122.3(13) ? loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_publ_flag Ta1 N27 2.047(6) yes Ta1 N7 2.052(7) yes Ta1 N21 2.263(7) yes Ta1 N1 2.282(7) yes Ta1 Cl3 2.386(2) yes Ta1 Cl1 2.392(2) yes Ta1 Cl2 2.513(2) yes Ta1 C6 2.695(8) ? N1 C2 1.356(11) yes N1 C6 1.366(11) yes C2 N14 1.351(11) yes C2 C3 1.414(12) ? C3 C4 1.374(14) ? C4 C5 1.388(14) ? C5 C6 1.371(12) ? C6 N7 1.383(11) yes N7 C8 1.417(11) yes C8 C9 1.384(12) ? C8 C13 1.390(12) ? C9 C10 1.410(12) ? C10 C11 1.377(13) ? C11 C12 1.39(2) ? C12 C13 1.387(14) ? N14 C15 1.411(12) yes C15 C16 1.379(14) ? C15 C20 1.392(13) ? C16 C17 1.382(15) ? C17 C18 1.37(2) ? C18 C19 1.38(2) ? C19 C20 1.385(14) ? N21 C22 1.361(11) yes N21 C26 1.375(11) yes C22 N34 1.354(11) yes C22 C23 1.408(12) ? C23 C24 1.365(15) ? C24 C25 1.404(13) ? C25 C26 1.363(12) ? C26 N27 1.387(10) yes N27 C28 1.431(10) yes C28 C29 1.378(14) ? C28 C33 1.398(14) ? C29 C30 1.392(12) ? C30 C31 1.40(2) ? C31 C32 1.40(2) ? C32 C33 1.397(12) ? N34 C35 1.423(10) yes C35 C40 1.386(13) ? C35 C36 1.396(13) ? C36 C37 1.381(14) ? C37 C38 1.39(2) ? C38 C39 1.35(2) ? C39 C40 1.396(13) ? C41 C42 1.52(2) ? C42 C47 1.36(2) ? C42 C43 1.38(2) ? C43 C44 1.36(2) ? C44 C45 1.39(2) ? C45 C46 1.37(2) ? C46 C47 1.35(2) ?