# Electronic Supplementary Material (ESI) for Dalton Transactions # 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_final _audit_creation_method SHELXL-97 _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety ? _chemical_formula_sum 'C24 H31 Hf N3' _chemical_formula_weight 540.01 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' Hf Hf -0.5830 6.1852 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting Orthorhombic _symmetry_space_group_name_H-M Pbca loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' 'x+1/2, -y+1/2, -z' '-x, y+1/2, -z+1/2' '-x+1/2, -y, z+1/2' '-x, -y, -z' '-x-1/2, y-1/2, z' 'x, -y-1/2, z-1/2' 'x-1/2, y, -z-1/2' _cell_length_a 10.5097(2) _cell_length_b 12.3812(2) _cell_length_c 33.8422(5) _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_volume 4403.64(13) _cell_formula_units_Z 8 _cell_measurement_temperature 100(2) _cell_measurement_reflns_used 9762 _cell_measurement_theta_min 2.28 _cell_measurement_theta_max 27.93 _exptl_crystal_description plate _exptl_crystal_colour colourless _exptl_crystal_size_max 0.22 _exptl_crystal_size_mid 0.22 _exptl_crystal_size_min 0.04 _exptl_crystal_density_meas 0 _exptl_crystal_density_diffrn 1.629 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 2144 _exptl_absorpt_coefficient_mu 4.751 _exptl_absorpt_correction_type empirical _exptl_absorpt_correction_T_min 0.4212 _exptl_absorpt_correction_T_max 0.8327 _exptl_absorpt_process_details ? _exptl_special_details ; ? ; _diffrn_ambient_temperature 100(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-II CCD' _diffrn_measurement_method '\f and \w scans' _diffrn_detector_area_resol_mean ? _diffrn_reflns_number 51747 _diffrn_reflns_av_R_equivalents 0.0278 _diffrn_reflns_av_sigmaI/netI 0.0143 _diffrn_reflns_limit_h_min -12 _diffrn_reflns_limit_h_max 13 _diffrn_reflns_limit_k_min -16 _diffrn_reflns_limit_k_max 16 _diffrn_reflns_limit_l_min -43 _diffrn_reflns_limit_l_max 43 _diffrn_reflns_theta_min 1.20 _diffrn_reflns_theta_max 27.50 _reflns_number_total 4968 _reflns_number_gt 4385 _reflns_threshold_expression >2sigma(I) _computing_data_collection 'Bruker APEX2' _computing_cell_refinement 'Bruker SAINT' _computing_data_reduction 'Bruker SAINT' _computing_structure_solution 'SHELXS-97 (Sheldrick, 2008)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 2008)' _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^)+(0.0001P)^2^+10.3783P] 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 none _refine_ls_extinction_coef ? _refine_ls_number_reflns 4968 _refine_ls_number_parameters 259 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0258 _refine_ls_R_factor_gt 0.0207 _refine_ls_wR_factor_ref 0.0387 _refine_ls_wR_factor_gt 0.0374 _refine_ls_goodness_of_fit_ref 1.198 _refine_ls_restrained_S_all 1.198 _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 Hf1 Hf 0.207508(10) 0.667314(8) 0.159465(3) 0.00944(3) Uani 1 1 d . . . N1 N 0.0963(2) 0.58138(16) 0.12031(6) 0.0099(4) Uani 1 1 d . . . N2 N 0.2537(2) 0.68553(17) 0.22597(6) 0.0124(4) Uani 1 1 d . . . N3 N 0.1850(2) 0.62675(17) 0.25275(6) 0.0120(4) Uani 1 1 d . . . C1 C 0.0970(2) 0.5502(2) 0.19553(7) 0.0106(5) Uani 1 1 d . . . C2 C 0.0927(3) 0.5542(2) 0.23647(7) 0.0124(5) Uani 1 1 d . . . C3 C 0.0050(3) 0.4985(2) 0.25914(7) 0.0153(5) Uani 1 1 d . . . H3 H 0.0038 0.5045 0.2871 0.018 Uiso 1 1 calc R . . C4 C -0.0815(3) 0.4330(2) 0.23902(8) 0.0162(6) Uani 1 1 d . . . H4 H -0.1429 0.3934 0.2536 0.019 Uiso 1 1 calc R . . C5 C -0.0796(3) 0.4244(2) 0.19788(8) 0.0147(5) Uani 1 1 d . . . H5 H -0.1384 0.3785 0.1847 0.018 Uiso 1 1 calc R . . C6 C 0.0094(3) 0.4837(2) 0.17625(7) 0.0116(5) Uani 1 1 d . . . C7 C 0.0175(3) 0.4875(2) 0.13160(7) 0.0141(5) Uani 1 1 d . . . H7A H 0.0563 0.4202 0.1215 0.017 Uiso 1 1 calc R . . H7B H -0.0687 0.4946 0.1201 0.017 Uiso 1 1 calc R . . C8 C 0.3366(3) 0.7425(2) 0.24725(8) 0.0163(6) Uani 1 1 d . . . H8 H 0.3973 0.7912 0.2365 0.020 Uiso 1 1 calc R . . C9 C 0.3221(3) 0.7211(2) 0.28751(8) 0.0177(6) Uani 1 1 d . . . H9 H 0.3692 0.7513 0.3088 0.021 Uiso 1 1 calc R . . C10 C 0.2251(3) 0.6468(2) 0.28975(7) 0.0151(6) Uani 1 1 d . . . H10 H 0.1923 0.6153 0.3132 0.018 Uiso 1 1 calc R . . C11 C 0.0811(3) 0.61056(19) 0.07939(7) 0.0109(5) Uani 1 1 d . . . C12 C -0.0277(3) 0.6702(2) 0.06752(7) 0.0126(5) Uani 1 1 d . . . C13 C -0.0418(3) 0.6974(2) 0.02784(8) 0.0151(6) Uani 1 1 d . . . H13 H -0.1140 0.7379 0.0198 0.018 Uiso 1 1 calc R . . C14 C 0.0474(3) 0.6666(2) -0.00008(7) 0.0183(6) Uani 1 1 d . . . H14 H 0.0363 0.6859 -0.0270 0.022 Uiso 1 1 calc R . . C15 C 0.1522(3) 0.6076(2) 0.01146(7) 0.0159(6) Uani 1 1 d . . . H15 H 0.2125 0.5859 -0.0079 0.019 Uiso 1 1 calc R . . C16 C 0.1721(3) 0.5790(2) 0.05098(8) 0.0122(5) Uani 1 1 d . . . C17 C 0.2867(3) 0.5108(2) 0.06136(7) 0.0153(5) Uani 1 1 d . . . H17 H 0.2950 0.5102 0.0908 0.018 Uiso 1 1 calc R . . C18 C 0.4101(3) 0.5566(3) 0.04425(9) 0.0251(7) Uani 1 1 d . . . H18A H 0.4081 0.5510 0.0154 0.038 Uiso 1 1 calc R . . H18B H 0.4826 0.5155 0.0545 0.038 Uiso 1 1 calc R . . H18C H 0.4187 0.6326 0.0519 0.038 Uiso 1 1 calc R . . C19 C 0.2680(3) 0.3937(2) 0.04757(9) 0.0273(7) Uani 1 1 d . . . H19A H 0.1921 0.3634 0.0602 0.041 Uiso 1 1 calc R . . H19B H 0.3427 0.3508 0.0549 0.041 Uiso 1 1 calc R . . H19C H 0.2572 0.3923 0.0188 0.041 Uiso 1 1 calc R . . C20 C -0.1324(3) 0.7018(2) 0.09631(8) 0.0159(6) Uani 1 1 d . . . H20 H -0.1049 0.6799 0.1234 0.019 Uiso 1 1 calc R . . C21 C -0.1575(3) 0.8235(2) 0.09672(8) 0.0241(7) Uani 1 1 d . . . H21A H -0.0782 0.8619 0.1025 0.036 Uiso 1 1 calc R . . H21B H -0.2208 0.8404 0.1171 0.036 Uiso 1 1 calc R . . H21C H -0.1896 0.8462 0.0708 0.036 Uiso 1 1 calc R . . C22 C -0.2563(3) 0.6414(3) 0.08667(9) 0.0257(7) Uani 1 1 d . . . H22A H -0.2400 0.5635 0.0863 0.039 Uiso 1 1 calc R . . H22B H -0.2875 0.6644 0.0607 0.039 Uiso 1 1 calc R . . H22C H -0.3204 0.6579 0.1068 0.039 Uiso 1 1 calc R . . C23 C 0.4147(3) 0.6580(2) 0.14374(8) 0.0163(5) Uani 1 1 d . . . H23A H 0.4424 0.5825 0.1441 0.024 Uiso 1 1 calc R . . H23B H 0.4644 0.6995 0.1630 0.024 Uiso 1 1 calc R . . H23C H 0.4278 0.6881 0.1173 0.024 Uiso 1 1 calc R . . C24 C 0.1430(3) 0.8385(2) 0.15558(7) 0.0166(5) Uani 1 1 d . . . H24A H 0.1299 0.8580 0.1278 0.025 Uiso 1 1 calc R . . H24B H 0.2079 0.8858 0.1671 0.025 Uiso 1 1 calc R . . H24C H 0.0629 0.8469 0.1701 0.025 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 Hf1 0.01021(6) 0.00976(5) 0.00835(5) 0.00002(4) 0.00092(4) -0.00110(4) N1 0.0109(12) 0.0099(10) 0.0088(9) 0.0012(8) 0.0013(8) -0.0010(8) N2 0.0117(11) 0.0120(10) 0.0137(10) 0.0001(8) 0.0006(9) 0.0000(8) N3 0.0142(12) 0.0129(9) 0.0088(9) 0.0004(8) 0.0012(9) 0.0018(9) C1 0.0084(13) 0.0118(11) 0.0116(12) 0.0002(9) 0.0018(10) 0.0017(10) C2 0.0145(14) 0.0095(11) 0.0132(12) 0.0007(9) -0.0010(10) 0.0033(10) C3 0.0210(15) 0.0137(12) 0.0113(12) 0.0020(10) 0.0036(10) 0.0042(11) C4 0.0156(15) 0.0143(12) 0.0186(13) 0.0064(10) 0.0056(11) 0.0000(11) C5 0.0144(14) 0.0112(12) 0.0185(13) 0.0026(10) 0.0002(11) 0.0002(10) C6 0.0130(14) 0.0098(11) 0.0120(11) 0.0011(9) 0.0000(10) 0.0019(10) C7 0.0172(14) 0.0116(12) 0.0136(12) 0.0011(10) -0.0013(11) -0.0032(11) C8 0.0127(14) 0.0165(12) 0.0196(13) -0.0026(11) -0.0023(11) 0.0006(11) C9 0.0197(16) 0.0171(13) 0.0164(13) -0.0064(10) -0.0052(11) 0.0056(11) C10 0.0206(16) 0.0154(13) 0.0093(11) -0.0015(9) -0.0017(11) 0.0069(11) C11 0.0126(14) 0.0089(11) 0.0111(12) 0.0001(9) -0.0006(10) -0.0028(10) C12 0.0132(13) 0.0116(11) 0.0131(11) -0.0008(10) 0.0004(10) -0.0013(11) C13 0.0133(14) 0.0162(13) 0.0158(13) 0.0029(10) -0.0027(11) 0.0012(10) C14 0.0212(15) 0.0239(13) 0.0099(11) 0.0052(11) -0.0018(11) -0.0012(13) C15 0.0175(15) 0.0203(13) 0.0099(12) -0.0011(10) 0.0025(11) 0.0009(11) C16 0.0138(14) 0.0109(12) 0.0120(12) -0.0014(9) -0.0009(10) -0.0010(10) C17 0.0165(15) 0.0174(12) 0.0119(11) -0.0042(10) -0.0004(11) 0.0025(11) C18 0.0170(17) 0.0402(18) 0.0182(14) 0.0004(13) 0.0014(12) 0.0047(14) C19 0.035(2) 0.0193(15) 0.0272(15) -0.0091(12) -0.0130(14) 0.0125(13) C20 0.0127(15) 0.0210(13) 0.0139(12) 0.0014(10) 0.0012(11) 0.0044(11) C21 0.0281(17) 0.0227(15) 0.0214(14) -0.0015(12) -0.0002(12) 0.0119(13) C22 0.0153(15) 0.0345(17) 0.0273(15) 0.0037(13) 0.0020(13) -0.0006(13) C23 0.0141(14) 0.0197(13) 0.0152(12) -0.0006(11) 0.0027(10) -0.0029(12) C24 0.0235(15) 0.0133(11) 0.0129(11) 0.0006(11) -0.0001(11) -0.0014(12) _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 Hf1 N1 2.062(2) . ? Hf1 C1 2.223(3) . ? Hf1 C24 2.229(3) . ? Hf1 C23 2.245(3) . ? Hf1 N2 2.313(2) . ? N1 C11 1.440(3) . ? N1 C7 1.477(3) . ? N2 C8 1.333(3) . ? N2 N3 1.368(3) . ? N3 C10 1.345(3) . ? N3 C2 1.431(3) . ? C1 C2 1.387(3) . ? C1 C6 1.397(4) . ? C2 C3 1.384(4) . ? C3 C4 1.395(4) . ? C3 H3 0.9500 . ? C4 C5 1.396(4) . ? C4 H4 0.9500 . ? C5 C6 1.397(4) . ? C5 H5 0.9500 . ? C6 C7 1.514(3) . ? C7 H7A 0.9900 . ? C7 H7B 0.9900 . ? C8 C9 1.396(4) . ? C8 H8 0.9500 . ? C9 C10 1.376(4) . ? C9 H9 0.9500 . ? C10 H10 0.9500 . ? C11 C16 1.411(4) . ? C11 C12 1.420(4) . ? C12 C13 1.392(3) . ? C12 C20 1.521(4) . ? C13 C14 1.385(4) . ? C13 H13 0.9500 . ? C14 C15 1.378(4) . ? C14 H14 0.9500 . ? C15 C16 1.399(4) . ? C15 H15 0.9500 . ? C16 C17 1.512(4) . ? C17 C18 1.529(4) . ? C17 C19 1.536(4) . ? C17 H17 1.0000 . ? C18 H18A 0.9800 . ? C18 H18B 0.9800 . ? C18 H18C 0.9800 . ? C19 H19A 0.9800 . ? C19 H19B 0.9800 . ? C19 H19C 0.9800 . ? C20 C21 1.530(4) . ? C20 C22 1.536(4) . ? C20 H20 1.0000 . ? C21 H21A 0.9800 . ? C21 H21B 0.9800 . ? C21 H21C 0.9800 . ? C22 H22A 0.9800 . ? C22 H22B 0.9800 . ? C22 H22C 0.9800 . ? C23 H23A 0.9800 . ? C23 H23B 0.9800 . ? C23 H23C 0.9800 . ? C24 H24A 0.9800 . ? C24 H24B 0.9800 . ? C24 H24C 0.9800 . ? 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 N1 Hf1 C1 73.75(9) . . ? N1 Hf1 C24 106.28(9) . . ? C1 Hf1 C24 119.60(10) . . ? N1 Hf1 C23 111.77(9) . . ? C1 Hf1 C23 127.12(10) . . ? C24 Hf1 C23 109.25(10) . . ? N1 Hf1 N2 142.58(8) . . ? C1 Hf1 N2 68.84(8) . . ? C24 Hf1 N2 91.63(8) . . ? C23 Hf1 N2 91.84(9) . . ? C11 N1 C7 112.6(2) . . ? C11 N1 Hf1 123.45(16) . . ? C7 N1 Hf1 123.88(15) . . ? C8 N2 N3 105.6(2) . . ? C8 N2 Hf1 135.59(18) . . ? N3 N2 Hf1 118.80(16) . . ? C10 N3 N2 110.7(2) . . ? C10 N3 C2 133.4(2) . . ? N2 N3 C2 115.9(2) . . ? C2 C1 C6 117.8(2) . . ? C2 C1 Hf1 122.79(19) . . ? C6 C1 Hf1 118.20(18) . . ? C3 C2 C1 123.9(2) . . ? C3 C2 N3 123.4(2) . . ? C1 C2 N3 112.7(2) . . ? C2 C3 C4 117.0(2) . . ? C2 C3 H3 121.5 . . ? C4 C3 H3 121.5 . . ? C3 C4 C5 121.5(2) . . ? C3 C4 H4 119.3 . . ? C5 C4 H4 119.3 . . ? C4 C5 C6 119.4(3) . . ? C4 C5 H5 120.3 . . ? C6 C5 H5 120.3 . . ? C5 C6 C1 120.4(2) . . ? C5 C6 C7 125.3(2) . . ? C1 C6 C7 114.2(2) . . ? N1 C7 C6 108.3(2) . . ? N1 C7 H7A 110.0 . . ? C6 C7 H7A 110.0 . . ? N1 C7 H7B 110.0 . . ? C6 C7 H7B 110.0 . . ? H7A C7 H7B 108.4 . . ? N2 C8 C9 110.8(3) . . ? N2 C8 H8 124.6 . . ? C9 C8 H8 124.6 . . ? C10 C9 C8 105.2(2) . . ? C10 C9 H9 127.4 . . ? C8 C9 H9 127.4 . . ? N3 C10 C9 107.7(2) . . ? N3 C10 H10 126.1 . . ? C9 C10 H10 126.1 . . ? C16 C11 C12 119.8(2) . . ? C16 C11 N1 120.7(2) . . ? C12 C11 N1 119.5(2) . . ? C13 C12 C11 119.0(2) . . ? C13 C12 C20 118.6(2) . . ? C11 C12 C20 122.4(2) . . ? C14 C13 C12 121.3(3) . . ? C14 C13 H13 119.3 . . ? C12 C13 H13 119.3 . . ? C15 C14 C13 119.6(2) . . ? C15 C14 H14 120.2 . . ? C13 C14 H14 120.2 . . ? C14 C15 C16 121.6(3) . . ? C14 C15 H15 119.2 . . ? C16 C15 H15 119.2 . . ? C15 C16 C11 118.7(2) . . ? C15 C16 C17 118.8(2) . . ? C11 C16 C17 122.4(2) . . ? C16 C17 C18 112.4(2) . . ? C16 C17 C19 110.8(2) . . ? C18 C17 C19 110.1(2) . . ? C16 C17 H17 107.8 . . ? C18 C17 H17 107.8 . . ? C19 C17 H17 107.8 . . ? C17 C18 H18A 109.5 . . ? C17 C18 H18B 109.5 . . ? H18A C18 H18B 109.5 . . ? C17 C18 H18C 109.5 . . ? H18A C18 H18C 109.5 . . ? H18B C18 H18C 109.5 . . ? C17 C19 H19A 109.5 . . ? C17 C19 H19B 109.5 . . ? H19A C19 H19B 109.5 . . ? C17 C19 H19C 109.5 . . ? H19A C19 H19C 109.5 . . ? H19B C19 H19C 109.5 . . ? C12 C20 C21 112.5(2) . . ? C12 C20 C22 110.6(2) . . ? C21 C20 C22 109.6(2) . . ? C12 C20 H20 108.0 . . ? C21 C20 H20 108.0 . . ? C22 C20 H20 108.0 . . ? C20 C21 H21A 109.5 . . ? C20 C21 H21B 109.5 . . ? H21A C21 H21B 109.5 . . ? C20 C21 H21C 109.5 . . ? H21A C21 H21C 109.5 . . ? H21B C21 H21C 109.5 . . ? C20 C22 H22A 109.5 . . ? C20 C22 H22B 109.5 . . ? H22A C22 H22B 109.5 . . ? C20 C22 H22C 109.5 . . ? H22A C22 H22C 109.5 . . ? H22B C22 H22C 109.5 . . ? Hf1 C23 H23A 109.5 . . ? Hf1 C23 H23B 109.5 . . ? H23A C23 H23B 109.5 . . ? Hf1 C23 H23C 109.5 . . ? H23A C23 H23C 109.5 . . ? H23B C23 H23C 109.5 . . ? Hf1 C24 H24A 109.5 . . ? Hf1 C24 H24B 109.5 . . ? H24A C24 H24B 109.5 . . ? Hf1 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 C1 Hf1 N1 C11 169.6(2) . . . . ? C24 Hf1 N1 C11 52.9(2) . . . . ? C23 Hf1 N1 C11 -66.3(2) . . . . ? N2 Hf1 N1 C11 168.36(17) . . . . ? C1 Hf1 N1 C7 -6.40(19) . . . . ? C24 Hf1 N1 C7 -123.2(2) . . . . ? C23 Hf1 N1 C7 117.7(2) . . . . ? N2 Hf1 N1 C7 -7.7(3) . . . . ? N1 Hf1 N2 C8 174.9(2) . . . . ? C1 Hf1 N2 C8 173.5(3) . . . . ? C24 Hf1 N2 C8 -65.2(3) . . . . ? C23 Hf1 N2 C8 44.1(3) . . . . ? N1 Hf1 N2 N3 -4.9(3) . . . . ? C1 Hf1 N2 N3 -6.22(17) . . . . ? C24 Hf1 N2 N3 115.03(19) . . . . ? C23 Hf1 N2 N3 -135.64(18) . . . . ? C8 N2 N3 C10 -0.2(3) . . . . ? Hf1 N2 N3 C10 179.59(16) . . . . ? C8 N2 N3 C2 -177.0(2) . . . . ? Hf1 N2 N3 C2 2.8(3) . . . . ? N1 Hf1 C1 C2 -169.6(2) . . . . ? C24 Hf1 C1 C2 -69.8(2) . . . . ? C23 Hf1 C1 C2 85.1(2) . . . . ? N2 Hf1 C1 C2 9.6(2) . . . . ? N1 Hf1 C1 C6 -2.39(19) . . . . ? C24 Hf1 C1 C6 97.4(2) . . . . ? C23 Hf1 C1 C6 -107.7(2) . . . . ? N2 Hf1 C1 C6 176.8(2) . . . . ? C6 C1 C2 C3 -1.6(4) . . . . ? Hf1 C1 C2 C3 165.6(2) . . . . ? C6 C1 C2 N3 -178.7(2) . . . . ? Hf1 C1 C2 N3 -11.5(3) . . . . ? C10 N3 C2 C3 12.1(4) . . . . ? N2 N3 C2 C3 -172.0(2) . . . . ? C10 N3 C2 C1 -170.9(3) . . . . ? N2 N3 C2 C1 5.0(3) . . . . ? C1 C2 C3 C4 1.5(4) . . . . ? N3 C2 C3 C4 178.2(2) . . . . ? C2 C3 C4 C5 -0.1(4) . . . . ? C3 C4 C5 C6 -0.9(4) . . . . ? C4 C5 C6 C1 0.8(4) . . . . ? C4 C5 C6 C7 -176.2(3) . . . . ? C2 C1 C6 C5 0.5(4) . . . . ? Hf1 C1 C6 C5 -167.35(19) . . . . ? C2 C1 C6 C7 177.7(2) . . . . ? Hf1 C1 C6 C7 9.9(3) . . . . ? C11 N1 C7 C6 -163.5(2) . . . . ? Hf1 N1 C7 C6 12.9(3) . . . . ? C5 C6 C7 N1 163.5(2) . . . . ? C1 C6 C7 N1 -13.6(3) . . . . ? N3 N2 C8 C9 0.0(3) . . . . ? Hf1 N2 C8 C9 -179.75(19) . . . . ? N2 C8 C9 C10 0.2(3) . . . . ? N2 N3 C10 C9 0.3(3) . . . . ? C2 N3 C10 C9 176.4(3) . . . . ? C8 C9 C10 N3 -0.3(3) . . . . ? C7 N1 C11 C16 -100.3(3) . . . . ? Hf1 N1 C11 C16 83.2(3) . . . . ? C7 N1 C11 C12 78.6(3) . . . . ? Hf1 N1 C11 C12 -97.8(3) . . . . ? C16 C11 C12 C13 -0.6(4) . . . . ? N1 C11 C12 C13 -179.6(2) . . . . ? C16 C11 C12 C20 176.8(2) . . . . ? N1 C11 C12 C20 -2.1(4) . . . . ? C11 C12 C13 C14 0.6(4) . . . . ? C20 C12 C13 C14 -177.0(3) . . . . ? C12 C13 C14 C15 0.1(4) . . . . ? C13 C14 C15 C16 -0.8(4) . . . . ? C14 C15 C16 C11 0.7(4) . . . . ? C14 C15 C16 C17 177.8(3) . . . . ? C12 C11 C16 C15 0.0(4) . . . . ? N1 C11 C16 C15 178.9(2) . . . . ? C12 C11 C16 C17 -177.0(2) . . . . ? N1 C11 C16 C17 2.0(4) . . . . ? C15 C16 C17 C18 50.7(3) . . . . ? C11 C16 C17 C18 -132.3(3) . . . . ? C15 C16 C17 C19 -72.9(3) . . . . ? C11 C16 C17 C19 104.1(3) . . . . ? C13 C12 C20 C21 -57.9(3) . . . . ? C11 C12 C20 C21 124.6(3) . . . . ? C13 C12 C20 C22 65.1(3) . . . . ? C11 C12 C20 C22 -112.4(3) . . . . ? _diffrn_measured_fraction_theta_max 0.984 _diffrn_reflns_theta_full 27.50 _diffrn_measured_fraction_theta_full 0.984 _refine_diff_density_max 0.643 _refine_diff_density_min -1.670 _refine_diff_density_rms 0.084 _database_code_depnum_ccdc_archive 'CCDC 942401'