#------------------------------------------------------------------------------ #$Date: 2022-03-08 12:37:48 +0200 (Tue, 08 Mar 2022) $ #$Revision: 273533 $ #$URL: file:///home/coder/svn-repositories/cod/cif/8/10/46/8104690.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_8104690 loop_ _publ_author_name 'Wang, Jun-Hong' 'Tong, Hong-Bo' 'Wang, Meng-Liang' 'Yuan, Hai-Yan' _publ_section_title ; Crystal structure of bis(3,3-dimethyl-1-phenylbut-1-en-2-yl)(trimethylsilyl)amido-k1 N)zinc(II), Zn(C15H24NSi)2 ; _journal_issue 4 _journal_name_full 'Zeitschrift f\"ur Kristallographie - New Crystal Structures' _journal_page_first 719 _journal_page_last 720 _journal_paper_doi 10.1515/ncrs-2021-0057 _journal_volume 236 _journal_year 2021 _chemical_formula_moiety 'C30 H48 N2 Si2 Zn' _chemical_formula_sum 'C30 H48 N2 Si2 Zn' _chemical_formula_weight 558.25 _chemical_name_systematic ; Bis(2-tert-butyl-3-phenyl-1-trimethylsilyl-1-azaallyl-\k^2^N,\\ N')Zinc(II) ; _space_group_crystal_system triclinic _space_group_IT_number 2 _space_group_name_Hall '-P 1' _space_group_name_H-M_alt 'P -1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary SHELXT _cell_angle_alpha 74.609(4) _cell_angle_beta 73.915(4) _cell_angle_gamma 64.888(4) _cell_formula_units_Z 1 _cell_length_a 8.828(3) _cell_length_b 9.458(3) _cell_length_c 10.786(3) _cell_measurement_reflns_used 1382 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 24.101 _cell_measurement_theta_min 2.874 _cell_volume 772.1(4) _computing_cell_refinement 'SAINT v6.02A [1]' _computing_data_collection 'SMART [1]' _computing_data_reduction 'SAINT v6.02A [1]' _computing_molecular_graphics "'SHELXL-2014/7 [3]" _computing_publication_material 'SHELXL-2014/7 [3]' _computing_structure_refinement 'SHELXL-2014/7 [3]' _computing_structure_solution 'SHELXT-2014/7 [2]' _diffrn_ambient_temperature 293(2) _diffrn_measured_fraction_theta_full 0.971 _diffrn_measured_fraction_theta_max 0.971 _diffrn_measurement_device_type 'CCD area detector' _diffrn_measurement_method 'phi and omega scans' _diffrn_radiation_monochromator graphite _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0224 _diffrn_reflns_av_unetI/netI 0.0496 _diffrn_reflns_Laue_measured_fraction_full 0.971 _diffrn_reflns_Laue_measured_fraction_max 0.971 _diffrn_reflns_limit_h_max 10 _diffrn_reflns_limit_h_min -9 _diffrn_reflns_limit_k_max 8 _diffrn_reflns_limit_k_min -11 _diffrn_reflns_limit_l_max 12 _diffrn_reflns_limit_l_min -12 _diffrn_reflns_number 3179 _diffrn_reflns_point_group_measured_fraction_full 0.971 _diffrn_reflns_point_group_measured_fraction_max 0.971 _diffrn_reflns_theta_full 25.010 _diffrn_reflns_theta_max 25.010 _diffrn_reflns_theta_min 1.994 _diffrn_source_current 30.0 _diffrn_source_power 1.5 _diffrn_source_voltage 50.0 _exptl_absorpt_coefficient_mu 0.893 _exptl_absorpt_correction_T_max 0.9630 _exptl_absorpt_correction_T_min 0.763046 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details ; SADABS v.2.03 [11] was used for absorption correction. R(int) was 0.0376 before and 0.0239 after correction. The Ratio of minimum to maximum transmission is 0.7630. The \l/2 correction factor is 0.0015. ; _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.201 _exptl_crystal_density_meas . _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 300 _exptl_crystal_size_max 0.6 _exptl_crystal_size_mid 0.4 _exptl_crystal_size_min 0.3 _refine_diff_density_max 0.878 _refine_diff_density_min -0.531 _refine_diff_density_rms 0.084 _refine_ls_extinction_coef . _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.023 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 166 _refine_ls_number_reflns 2659 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.023 _refine_ls_R_factor_all 0.0588 _refine_ls_R_factor_gt 0.0476 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)+(0.0762P)^2^] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1166 _refine_ls_wR_factor_ref 0.1225 _reflns_Friedel_coverage 0.000 _reflns_Friedel_fraction_full . _reflns_Friedel_fraction_max . _reflns_number_gt 2158 _reflns_number_total 2659 _cod_data_source_file suppl_j_ncrs-2021-0057_suppl.cif _cod_data_source_block exp_s333 _cod_database_code 8104690 _shelx_space_group_comment ; The symmetry employed for this shelxl refinement is uniquely defined by the following loop, which should always be used as a source of symmetry information in preference to the above space-group names. They are only intended as comments. ; _olex2_refinement_description ; 1. Fixed Uiso At 1.2 times of: All C(H) groups At 1.5 times of: All C(H,H,H) groups 2.a Aromatic/amide H refined with riding coordinates: C2(H2), C4(H4), C5(H5), C6(H6), C7(H7), C8(H8) 2.b Idealised Me refined as rotating group: C10(H10A,H10B,H10C), C11(H11A,H11B,H11C), C12(H12A,H12B,H12C), C13(H13A,H13B, H13C), C14(H14A,H14B,H14C), C15(H15A,H15B,H15C) ; _shelx_res_file ; exp_s333p.res created by SHELXL-2014/7 TITL s333p in P-1 CELL 0.71073 8.8275 9.4578 10.7859 74.609 73.915 64.888 ZERR 1 0.0028 0.0029 0.0034 0.004 0.004 0.004 LATT 1 SFAC C H N Si Zn UNIT 30 48 2 2 1 L.S. 20 PLAN 6 BOND $h fmap 2 acta MORE -1 CONF OMIT -3 50.02 REM REM REM WGHT 0.076200 FVAR 0.32258 ZN 5 0.000000 1.000000 0.500000 10.50000 0.03079 0.03845 = 0.03216 -0.00943 0.00353 -0.01653 N 3 0.165952 0.942435 0.354984 11.00000 0.02453 0.03151 = 0.02918 -0.00612 0.00001 -0.00978 SI 4 0.276843 1.065276 0.286753 11.00000 0.03070 0.03137 = 0.03410 -0.00476 0.00151 -0.01321 C1 1 0.198773 0.790249 0.331533 11.00000 0.02152 0.03431 = 0.03099 -0.00583 0.00021 -0.01111 C2 1 0.246523 0.659391 0.420790 11.00000 0.03425 0.03319 = 0.03972 -0.01019 -0.00572 -0.01160 AFIX 43 H2 2 0.264847 0.566341 0.394734 11.00000 -1.20000 AFIX 0 C3 1 0.274786 0.638986 0.553953 11.00000 0.03308 0.02957 = 0.03433 -0.00389 -0.00707 -0.00559 C4 1 0.240910 0.516180 0.647239 11.00000 0.04957 0.03769 = 0.04377 -0.00204 -0.00989 -0.01680 AFIX 43 H4 2 0.203962 0.450956 0.622463 11.00000 -1.20000 AFIX 0 C5 1 0.260794 0.489293 0.774700 11.00000 0.05234 0.04302 = 0.03748 0.00545 -0.00587 -0.01017 AFIX 43 H5 2 0.235882 0.407553 0.834725 11.00000 -1.20000 AFIX 0 C6 1 0.317412 0.582791 0.813922 11.00000 0.04891 0.05154 = 0.03406 -0.00918 -0.01349 -0.00080 AFIX 43 H6 2 0.329959 0.565499 0.900147 11.00000 -1.20000 AFIX 0 C7 1 0.354661 0.701022 0.724041 11.00000 0.04754 0.04910 = 0.04738 -0.01024 -0.01663 -0.01356 AFIX 43 H7 2 0.394316 0.763611 0.749597 11.00000 -1.20000 AFIX 0 C8 1 0.334776 0.730174 0.595238 11.00000 0.03809 0.03620 = 0.04202 -0.00406 -0.01192 -0.01093 AFIX 43 H8 2 0.361727 0.811312 0.535910 11.00000 -1.20000 AFIX 0 C9 1 0.160181 0.783693 0.202429 11.00000 0.03455 0.03727 = 0.03084 -0.00564 -0.00486 -0.01314 C10 1 0.162419 0.622091 0.198788 11.00000 0.06533 0.05593 = 0.04047 -0.00642 -0.01285 -0.03451 AFIX 137 H10A 2 0.081193 0.596215 0.271236 11.00000 -1.50000 H10B 2 0.274186 0.542724 0.204634 11.00000 -1.50000 H10C 2 0.133282 0.626000 0.118211 11.00000 -1.50000 AFIX 0 C11 1 -0.016590 0.907864 0.185937 11.00000 0.03607 0.06789 = 0.04187 -0.01012 -0.01305 -0.00877 AFIX 137 H11A 2 -0.041458 0.904804 0.105717 11.00000 -1.50000 H11B 2 -0.019318 1.011123 0.183458 11.00000 -1.50000 H11C 2 -0.100091 0.885702 0.258270 11.00000 -1.50000 AFIX 0 C12 1 0.294132 0.816697 0.085784 11.00000 0.04599 0.04481 = 0.03347 -0.00972 -0.00295 -0.01681 AFIX 137 H12A 2 0.265705 0.817405 0.005856 11.00000 -1.50000 H12B 2 0.404214 0.735475 0.094402 11.00000 -1.50000 H12C 2 0.296201 0.917840 0.084185 11.00000 -1.50000 AFIX 0 C13 1 0.235401 1.182981 0.416355 11.00000 0.04683 0.04647 = 0.04690 -0.01220 -0.00013 -0.02339 AFIX 137 H13A 2 0.115473 1.243516 0.437481 11.00000 -1.50000 H13B 2 0.295589 1.253399 0.384511 11.00000 -1.50000 H13C 2 0.273949 1.112222 0.493349 11.00000 -1.50000 AFIX 0 C14 1 0.206217 1.215357 0.140833 11.00000 0.06623 0.03888 = 0.04395 -0.00069 -0.00468 -0.01834 AFIX 137 H14A 2 0.235205 1.162900 0.067720 11.00000 -1.50000 H14B 2 0.262029 1.288802 0.119801 11.00000 -1.50000 H14C 2 0.085110 1.271523 0.159965 11.00000 -1.50000 AFIX 0 C15 1 0.510447 0.946448 0.245576 11.00000 0.03321 0.04841 = 0.06624 -0.01547 0.00150 -0.01853 AFIX 137 H15A 2 0.551479 0.884554 0.324307 11.00000 -1.50000 H15B 2 0.569795 1.016588 0.204339 11.00000 -1.50000 H15C 2 0.529884 0.877254 0.186961 11.00000 -1.50000 AFIX 0 HKLF 4 REM s333p in P-1 REM wR2 = 0.1225, GooF = S = 1.023, Restrained GooF = 1.023 for all data REM R1 = 0.0476 for 2158 Fo > 4sig(Fo) and 0.0588 for all 2659 data REM 166 parameters refined using 0 restraints END WGHT 0.0762 0.0000 REM Highest difference peak 0.878, deepest hole -0.531, 1-sigma level 0.084 Q1 1 0.0292 0.9618 0.4199 11.00000 0.05 0.88 Q2 1 0.2475 1.1242 0.3609 11.00000 0.05 0.67 Q3 1 -0.0054 1.0532 0.4150 11.00000 0.05 0.62 Q4 1 0.2634 1.1277 0.2028 11.00000 0.05 0.53 Q5 1 0.1718 0.7967 0.2702 11.00000 0.05 0.39 Q6 1 0.1881 0.8734 0.3345 11.00000 0.05 0.38 ; loop_ _space_group_symop_operation_xyz 'x, y, z' '-x, -y, -z' 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_site_symmetry_order _atom_site_calc_flag _atom_site_refinement_flags_posn _atom_site_refinement_flags_adp _atom_site_refinement_flags_occupancy _atom_site_disorder_assembly _atom_site_disorder_group Zn Zn 0.000000 1.000000 0.500000 0.0339(2) Uani 1 2 d S . P . . N N 0.1660(3) 0.9424(3) 0.3550(2) 0.0296(5) Uani 1 1 d . . . . . Si Si 0.27684(10) 1.06528(9) 0.28675(8) 0.0334(2) Uani 1 1 d . . . . . C1 C 0.1988(4) 0.7902(3) 0.3315(3) 0.0298(6) Uani 1 1 d . . . . . C2 C 0.2465(4) 0.6594(3) 0.4208(3) 0.0356(7) Uani 1 1 d . . . . . H2 H 0.264847 0.566341 0.394734 0.043 Uiso 1 1 calc R U . . . C3 C 0.2748(4) 0.6390(3) 0.5540(3) 0.0347(7) Uani 1 1 d . . . . . C4 C 0.2409(4) 0.5162(4) 0.6472(3) 0.0444(8) Uani 1 1 d . . . . . H4 H 0.203962 0.450956 0.622463 0.053 Uiso 1 1 calc R U . . . C5 C 0.2608(5) 0.4893(4) 0.7747(3) 0.0502(9) Uani 1 1 d . . . . . H5 H 0.235882 0.407553 0.834725 0.060 Uiso 1 1 calc R U . . . C6 C 0.3174(5) 0.5828(4) 0.8139(3) 0.0497(9) Uani 1 1 d . . . . . H6 H 0.329959 0.565499 0.900147 0.060 Uiso 1 1 calc R U . . . C7 C 0.3547(5) 0.7010(4) 0.7240(3) 0.0476(8) Uani 1 1 d . . . . . H7 H 0.394316 0.763611 0.749597 0.057 Uiso 1 1 calc R U . . . C8 C 0.3348(4) 0.7302(4) 0.5952(3) 0.0395(7) Uani 1 1 d . . . . . H8 H 0.361727 0.811312 0.535910 0.047 Uiso 1 1 calc R U . . . C9 C 0.1602(4) 0.7837(3) 0.2024(3) 0.0347(7) Uani 1 1 d . . . . . C10 C 0.1624(5) 0.6221(4) 0.1988(3) 0.0495(9) Uani 1 1 d . . . . . H10A H 0.081193 0.596215 0.271236 0.074 Uiso 1 1 calc R U . . . H10B H 0.274186 0.542724 0.204634 0.074 Uiso 1 1 calc R U . . . H10C H 0.133282 0.626000 0.118211 0.074 Uiso 1 1 calc R U . . . C11 C -0.0166(4) 0.9079(4) 0.1859(3) 0.0511(9) Uani 1 1 d . . . . . H11A H -0.041458 0.904804 0.105717 0.077 Uiso 1 1 calc R U . . . H11B H -0.019318 1.011123 0.183458 0.077 Uiso 1 1 calc R U . . . H11C H -0.100091 0.885702 0.258270 0.077 Uiso 1 1 calc R U . . . C12 C 0.2941(4) 0.8167(4) 0.0858(3) 0.0419(8) Uani 1 1 d . . . . . H12A H 0.265705 0.817405 0.005856 0.063 Uiso 1 1 calc R U . . . H12B H 0.404214 0.735475 0.094402 0.063 Uiso 1 1 calc R U . . . H12C H 0.296201 0.917840 0.084185 0.063 Uiso 1 1 calc R U . . . C13 C 0.2354(5) 1.1830(4) 0.4164(3) 0.0457(8) Uani 1 1 d . . . . . H13A H 0.115473 1.243516 0.437481 0.069 Uiso 1 1 calc R U . . . H13B H 0.295589 1.253399 0.384511 0.069 Uiso 1 1 calc R U . . . H13C H 0.273949 1.112222 0.493349 0.069 Uiso 1 1 calc R U . . . C14 C 0.2062(5) 1.2154(4) 0.1408(3) 0.0528(9) Uani 1 1 d . . . . . H14A H 0.235205 1.162900 0.067720 0.079 Uiso 1 1 calc R U . . . H14B H 0.262029 1.288802 0.119801 0.079 Uiso 1 1 calc R U . . . H14C H 0.085110 1.271523 0.159965 0.079 Uiso 1 1 calc R U . . . C15 C 0.5104(4) 0.9464(4) 0.2456(4) 0.0494(9) Uani 1 1 d . . . . . H15A H 0.551479 0.884554 0.324307 0.074 Uiso 1 1 calc R U . . . H15B H 0.569795 1.016588 0.204339 0.074 Uiso 1 1 calc R U . . . H15C H 0.529884 0.877254 0.186961 0.074 Uiso 1 1 calc R U . . . 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 Zn 0.0308(3) 0.0384(3) 0.0322(3) -0.0094(2) 0.0035(2) -0.0165(2) N 0.0245(13) 0.0315(13) 0.0292(13) -0.0061(10) 0.0000(10) -0.0098(10) Si 0.0307(5) 0.0314(5) 0.0341(5) -0.0048(4) 0.0015(4) -0.0132(4) C1 0.0215(15) 0.0343(16) 0.0310(15) -0.0058(13) 0.0002(12) -0.0111(12) C2 0.0342(17) 0.0332(16) 0.0397(17) -0.0102(14) -0.0057(14) -0.0116(13) C3 0.0331(17) 0.0296(15) 0.0343(16) -0.0039(13) -0.0071(13) -0.0056(13) C4 0.050(2) 0.0377(18) 0.0438(19) -0.0020(15) -0.0099(16) -0.0168(16) C5 0.052(2) 0.0430(19) 0.0375(19) 0.0054(15) -0.0059(16) -0.0102(17) C6 0.049(2) 0.052(2) 0.0341(18) -0.0092(16) -0.0135(16) -0.0008(17) C7 0.048(2) 0.049(2) 0.047(2) -0.0102(16) -0.0166(16) -0.0136(17) C8 0.0381(19) 0.0362(17) 0.0420(18) -0.0041(14) -0.0119(15) -0.0109(14) C9 0.0345(17) 0.0373(17) 0.0308(16) -0.0056(13) -0.0049(13) -0.0131(14) C10 0.065(3) 0.056(2) 0.0405(19) -0.0064(16) -0.0129(17) -0.0345(19) C11 0.036(2) 0.068(2) 0.0419(19) -0.0101(17) -0.0130(16) -0.0088(17) C12 0.046(2) 0.0448(19) 0.0335(17) -0.0097(14) -0.0030(14) -0.0168(16) C13 0.047(2) 0.0465(19) 0.0469(19) -0.0122(15) -0.0001(16) -0.0234(17) C14 0.066(3) 0.0389(19) 0.044(2) -0.0007(15) -0.0047(18) -0.0183(17) C15 0.0332(19) 0.048(2) 0.066(2) -0.0155(17) 0.0015(16) -0.0185(16) 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' Si Si 0.0817 0.0704 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Zn Zn 0.2839 1.4301 '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_site_symmetry_1 _geom_angle_site_symmetry_3 N Zn N 180.0 2_576 . Si N Zn 115.20(13) . . C1 N Zn 113.60(17) . . C1 N Si 130.32(19) . . N Si C13 105.36(13) . . N Si C14 116.16(15) . . N Si C15 110.56(14) . . C14 Si C13 105.33(16) . . C14 Si C15 109.43(17) . . C15 Si C13 109.66(16) . . N C1 C9 116.9(2) . . C2 C1 N 122.3(3) . . C2 C1 C9 120.6(3) . . C1 C2 H2 114.8 . . C1 C2 C3 130.3(3) . . C3 C2 H2 114.8 . . C4 C3 C2 117.5(3) . . C8 C3 C2 125.7(3) . . C8 C3 C4 116.8(3) . . C3 C4 H4 119.1 . . C5 C4 C3 121.8(3) . . C5 C4 H4 119.1 . . C4 C5 H5 119.8 . . C4 C5 C6 120.4(3) . . C6 C5 H5 119.8 . . C5 C6 H6 120.6 . . C7 C6 C5 118.8(3) . . C7 C6 H6 120.6 . . C6 C7 H7 119.2 . . C6 C7 C8 121.5(3) . . C8 C7 H7 119.2 . . C3 C8 H8 119.7 . . C7 C8 C3 120.6(3) . . C7 C8 H8 119.7 . . C10 C9 C1 113.0(2) . . C10 C9 C12 106.8(2) . . C11 C9 C1 108.9(2) . . C11 C9 C10 108.0(3) . . C11 C9 C12 109.8(3) . . C12 C9 C1 110.3(2) . . C9 C10 H10A 109.5 . . C9 C10 H10B 109.5 . . C9 C10 H10C 109.5 . . H10A C10 H10B 109.5 . . H10A C10 H10C 109.5 . . H10B C10 H10C 109.5 . . C9 C11 H11A 109.5 . . C9 C11 H11B 109.5 . . C9 C11 H11C 109.5 . . H11A C11 H11B 109.5 . . H11A C11 H11C 109.5 . . H11B C11 H11C 109.5 . . C9 C12 H12A 109.5 . . C9 C12 H12B 109.5 . . C9 C12 H12C 109.5 . . H12A C12 H12B 109.5 . . H12A C12 H12C 109.5 . . H12B C12 H12C 109.5 . . Si C13 H13A 109.5 . . Si C13 H13B 109.5 . . Si C13 H13C 109.5 . . H13A C13 H13B 109.5 . . H13A C13 H13C 109.5 . . H13B C13 H13C 109.5 . . Si C14 H14A 109.5 . . Si C14 H14B 109.5 . . Si C14 H14C 109.5 . . H14A C14 H14B 109.5 . . H14A C14 H14C 109.5 . . H14B C14 H14C 109.5 . . Si C15 H15A 109.5 . . Si C15 H15B 109.5 . . Si C15 H15C 109.5 . . H15A C15 H15B 109.5 . . H15A C15 H15C 109.5 . . H15B C15 H15C 109.5 . . 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 Zn N 1.842(2) 2_576 yes Zn N 1.842(2) . yes N Si 1.721(2) . ? N C1 1.421(4) . ? Si C13 1.877(3) . ? Si C14 1.867(3) . ? Si C15 1.872(3) . ? C1 C2 1.336(4) . ? C1 C9 1.545(4) . ? C2 H2 0.9300 . ? C2 C3 1.474(4) . ? C3 C4 1.399(4) . ? C3 C8 1.395(4) . ? C4 H4 0.9300 . ? C4 C5 1.377(5) . ? C5 H5 0.9300 . ? C5 C6 1.379(5) . ? C6 H6 0.9300 . ? C6 C7 1.363(5) . ? C7 H7 0.9300 . ? C7 C8 1.388(4) . ? C8 H8 0.9300 . ? C9 C10 1.531(4) . ? C9 C11 1.528(5) . ? C9 C12 1.536(4) . ? C10 H10A 0.9600 . ? C10 H10B 0.9600 . ? C10 H10C 0.9600 . ? C11 H11A 0.9600 . ? C11 H11B 0.9600 . ? C11 H11C 0.9600 . ? C12 H12A 0.9600 . ? C12 H12B 0.9600 . ? C12 H12C 0.9600 . ? C13 H13A 0.9600 . ? C13 H13B 0.9600 . ? C13 H13C 0.9600 . ? C14 H14A 0.9600 . ? C14 H14B 0.9600 . ? C14 H14C 0.9600 . ? C15 H15A 0.9600 . ? C15 H15B 0.9600 . ? C15 H15C 0.9600 . ? 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 Zn N Si C13 17.37(18) . . . . Zn N Si C14 -98.77(17) . . . . Zn N Si C15 135.78(17) . . . . Zn N C1 C2 -57.5(3) . . . . Zn N C1 C9 116.8(2) . . . . N C1 C2 C3 0.2(5) . . . . N C1 C9 C10 -167.6(3) . . . . N C1 C9 C11 -47.6(3) . . . . N C1 C9 C12 72.9(3) . . . . Si N C1 C2 111.0(3) . . . . Si N C1 C9 -74.7(3) . . . . C1 N Si C13 -151.0(3) . . . . C1 N Si C14 92.8(3) . . . . C1 N Si C15 -32.6(3) . . . . C1 C2 C3 C4 148.7(3) . . . . C1 C2 C3 C8 -32.2(5) . . . . C2 C1 C9 C10 6.7(4) . . . . C2 C1 C9 C11 126.7(3) . . . . C2 C1 C9 C12 -112.8(3) . . . . C2 C3 C4 C5 -178.9(3) . . . . C2 C3 C8 C7 179.3(3) . . . . C3 C4 C5 C6 -0.8(5) . . . . C4 C3 C8 C7 -1.6(5) . . . . C4 C5 C6 C7 -0.6(5) . . . . C5 C6 C7 C8 0.8(5) . . . . C6 C7 C8 C3 0.3(5) . . . . C8 C3 C4 C5 1.9(5) . . . . C9 C1 C2 C3 -173.9(3) . . . .