#------------------------------------------------------------------------------ #$Date: 2016-02-21 00:03:34 +0000 (Sun, 21 Feb 2016) $ #$Revision: 176798 $ #$URL: svn://www.crystallography.net/cod/cif/2/23/89/2238925.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_2238925 loop_ _publ_author_name 'Wang, Tao' 'Zhao, Jian-Ping' 'Bai, Sheng-Di' _publ_section_title ; Tetrachlorido[N^2^,N^2'^-(dimethylsilanediyl)bis(N-tert-butyl-3-methylbenzimidamidato)-\k^2^N^2^,N^2'^]hafnium(IV) ; _journal_coeditor_code SJ5366 _journal_issue 12 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first m654 _journal_paper_doi 10.1107/S1600536813030328 _journal_volume 69 _journal_year 2013 _chemical_formula_iupac '[Hf (C26 H40 N4 Si) Cl4]' _chemical_formula_moiety 'C26 H40 Cl4 Hf N4 Si' _chemical_formula_sum 'C26 H40 Cl4 Hf N4 Si' _chemical_formula_weight 757 _chemical_name_systematic Tetrachlorido[N^2^,N^2'^-(dimethylsilanediyl)bis(N-tert-butyl-3-methylbenzimidamide)-\k^2^N^2^,N^2'^]hafnium(IV) _space_group_IT_number 15 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-C 2yc' _symmetry_space_group_name_H-M 'C 1 2/c 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 103.276(3) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 9.4373(14) _cell_length_b 17.992(3) _cell_length_c 19.966(3) _cell_measurement_reflns_used 2487 _cell_measurement_temperature 296(2) _cell_measurement_theta_max 22.062 _cell_measurement_theta_min 2.490 _cell_volume 3299.5(9) _computing_cell_refinement 'SAINT (Bruker, 2000)' _computing_data_collection 'SMART (Bruker, 2000)' _computing_data_reduction 'SAINT (Bruker, 2000)' _computing_molecular_graphics 'SHELXTL/PC (Sheldrick, 2008)' _computing_publication_material 'SHELXL97 (Sheldrick, 2008)' _computing_structure_refinement 'SHELXL97 (Sheldrick, 2008)' _computing_structure_solution 'SHELXS97 (Sheldrick, 2008)' _diffrn_ambient_temperature 296(2) _diffrn_measured_fraction_theta_full 0.999 _diffrn_measured_fraction_theta_max 0.999 _diffrn_measurement_device_type 'Bruker SMART area-detector' _diffrn_measurement_method '\f and \w scans' _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 0.0347 _diffrn_reflns_av_sigmaI/netI 0.0410 _diffrn_reflns_limit_h_max 7 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_k_max 19 _diffrn_reflns_limit_k_min -21 _diffrn_reflns_limit_l_max 23 _diffrn_reflns_limit_l_min -23 _diffrn_reflns_number 7121 _diffrn_reflns_theta_full 25.05 _diffrn_reflns_theta_max 25.05 _diffrn_reflns_theta_min 2.26 _diffrn_standards_decay_% 5.66 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 3.543 _exptl_absorpt_correction_T_max 0.8428 _exptl_absorpt_correction_T_min 0.7647 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(SADABS; Sheldrick, 1996)' _exptl_crystal_colour Colorless _exptl_crystal_density_diffrn 1.524 _exptl_crystal_density_method 'not measured' _exptl_crystal_description Block _exptl_crystal_F_000 1512 _exptl_crystal_size_max 0.08 _exptl_crystal_size_mid 0.05 _exptl_crystal_size_min 0.05 _refine_diff_density_max 0.532 _refine_diff_density_min -0.288 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.020 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 169 _refine_ls_number_reflns 2920 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.020 _refine_ls_R_factor_all 0.0384 _refine_ls_R_factor_gt 0.0283 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0266P)^2^] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0570 _refine_ls_wR_factor_ref 0.0606 _reflns_number_gt 2446 _reflns_number_total 2920 _reflns_threshold_expression I>2\s(I) _iucr_refine_instructions_details ; TITL s746b in C2/c CELL 0.71073 9.4373 17.9918 19.9658 90.000 103.276 90.000 ZERR 4.00 0.0014 0.0025 0.0028 0.000 0.003 0.000 LATT 7 SYMM -X, Y, 0.5-Z SFAC C H N Si Cl Hf UNIT 104 160 16 4 16 4 OMIT -3 50.1 L.S. 4 ACTA BOND $H FMAP 2 PLAN 5 TEMP 23.000 size 0.08 0.05 0.05 WGHT 0.026600 FVAR 0.20382 MOLE 1 HF1 6 0.500000 0.540155 0.250000 10.50000 0.04771 0.03029 = 0.03166 0.00000 0.01126 0.00000 CL1 5 0.639506 0.536485 0.368890 11.00000 0.07244 0.05745 = 0.03913 0.00054 -0.00019 -0.01146 CL2 5 0.330628 0.630634 0.276856 11.00000 0.09214 0.04789 = 0.06829 0.00444 0.03608 0.02379 SI1 4 0.500000 0.370145 0.250000 10.50000 0.05555 0.03023 = 0.04900 0.00000 0.02414 0.00000 N1 3 0.220532 0.479986 0.334267 11.00000 0.05646 0.05581 = 0.04773 0.01200 0.02656 0.01357 AFIX 43 H1 2 0.218614 0.517553 0.307441 11.00000 -1.20000 AFIX 0 N2 3 0.396393 0.438081 0.280858 11.00000 0.04093 0.03508 = 0.03453 0.00205 0.01228 -0.00274 C1 1 0.117882 0.487699 0.381378 11.00000 0.05399 0.07994 = 0.04911 0.00007 0.02489 0.01412 C2 1 0.200285 0.488361 0.454674 11.00000 0.10894 0.20699 = 0.04422 -0.01040 0.01837 0.07229 AFIX 137 H2A 2 0.233467 0.439002 0.468298 11.00000 -1.50000 H2B 2 0.137924 0.505503 0.483264 11.00000 -1.50000 H2C 2 0.282511 0.521006 0.459645 11.00000 -1.50000 AFIX 0 C3 1 0.005480 0.427078 0.367957 11.00000 0.09572 0.09543 = 0.17399 -0.01363 0.09272 -0.00952 AFIX 137 H3A 2 -0.037818 0.424591 0.319552 11.00000 -1.50000 H3B 2 -0.068465 0.437508 0.392585 11.00000 -1.50000 H3C 2 0.050883 0.380388 0.383155 11.00000 -1.50000 AFIX 0 C4 1 0.043470 0.562126 0.363350 11.00000 0.09110 0.09222 = 0.10019 0.01449 0.05531 0.04234 AFIX 137 H4A 2 0.114580 0.601156 0.373245 11.00000 -1.50000 H4B 2 -0.027929 0.569345 0.390107 11.00000 -1.50000 H4C 2 -0.003347 0.562993 0.315287 11.00000 -1.50000 AFIX 0 C5 1 0.312818 0.428015 0.325257 11.00000 0.03507 0.03717 = 0.02765 -0.00618 0.00471 -0.00862 C6 1 0.327179 0.358744 0.367251 11.00000 0.05755 0.03638 = 0.03893 -0.00453 0.02846 -0.00437 C7 1 0.430693 0.356134 0.428292 11.00000 0.06123 0.04738 = 0.04820 0.00474 0.02019 0.00027 AFIX 43 H7 2 0.485978 0.398368 0.442917 11.00000 -1.20000 AFIX 0 C8 1 0.455559 0.292098 0.469080 11.00000 0.09659 0.06229 = 0.05434 0.01526 0.03535 0.01981 C9 1 0.372721 0.231179 0.445060 11.00000 0.17360 0.04060 = 0.07639 0.01125 0.07607 0.00843 AFIX 43 H9 2 0.386720 0.187871 0.471179 11.00000 -1.20000 AFIX 0 C10 1 0.271415 0.231232 0.385005 11.00000 0.15952 0.04063 = 0.08002 -0.01548 0.06226 -0.03259 AFIX 43 H10 2 0.218241 0.188293 0.370626 11.00000 -1.20000 AFIX 0 C11 1 0.245537 0.295687 0.343953 11.00000 0.08504 0.05756 = 0.06073 -0.01266 0.03240 -0.02269 AFIX 43 H11 2 0.175995 0.296045 0.302551 11.00000 -1.20000 AFIX 0 C12 1 0.568864 0.292070 0.535951 11.00000 0.13399 0.12332 = 0.07223 0.03878 0.01321 0.03583 AFIX 137 H12A 2 0.576908 0.243042 0.555433 11.00000 -1.50000 H12B 2 0.540806 0.326356 0.567413 11.00000 -1.50000 H12C 2 0.661069 0.306794 0.527614 11.00000 -1.50000 AFIX 0 C13 1 0.624017 0.312549 0.315399 11.00000 0.08358 0.06153 = 0.07081 0.02515 0.04464 0.02995 AFIX 137 H13A 2 0.691980 0.287183 0.294283 11.00000 -1.50000 H13B 2 0.568126 0.276756 0.334040 11.00000 -1.50000 H13C 2 0.676074 0.343925 0.351692 11.00000 -1.50000 HKLF 4 REM s746b in C2/c REM R1 = 0.0283 for 2446 Fo > 4sig(Fo) and 0.0384 for all 2920 data REM 169 parameters refined using 0 restraints END WGHT 0.0266 0.0000 REM Highest difference peak 0.532, deepest hole -0.288, 1-sigma level 0.079 Q1 1 0.5034 0.5969 0.2802 11.00000 0.05 0.53 Q2 1 0.5861 0.5412 0.3043 11.00000 0.05 0.42 Q3 1 0.5029 0.4849 0.2768 11.00000 0.05 0.38 Q4 1 0.3931 0.4797 0.2605 11.00000 0.05 0.37 Q5 1 0.3895 0.5899 0.2568 11.00000 0.05 0.35 ; _cod_data_source_file sj5366.cif _cod_data_source_block I _cod_original_cell_volume 3299.5(8) _cod_original_sg_symbol_H-M 'C 2/c' _cod_database_code 2238925 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y, -z+1/2' 'x+1/2, y+1/2, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x, -y, z-1/2' '-x+1/2, -y+1/2, -z' 'x+1/2, -y+1/2, z-1/2' loop_ _atom_site_type_symbol _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_symmetry_multiplicity Hf Hf1 0.5000 0.540155(12) 0.2500 0.03621(10) Uani d S 1 2 Cl Cl1 0.63951(14) 0.53649(6) 0.36889(6) 0.0584(3) Uani d . 1 1 Cl Cl2 0.33063(15) 0.63063(6) 0.27686(7) 0.0666(4) Uani d . 1 1 Si Si1 0.5000 0.37014(8) 0.2500 0.0430(4) Uani d S 1 2 N N1 0.2205(4) 0.47999(19) 0.33427(18) 0.0510(10) Uani d . 1 1 H H1 0.2186 0.5176 0.3074 0.061 Uiso calc R 1 1 N N2 0.3964(3) 0.43808(16) 0.28086(16) 0.0363(8) Uani d . 1 1 C C1 0.1179(5) 0.4877(3) 0.3814(2) 0.0589(13) Uani d . 1 1 C C2 0.2003(7) 0.4884(4) 0.4547(3) 0.120(3) Uani d . 1 1 H H2A 0.2335 0.4390 0.4683 0.180 Uiso calc R 1 1 H H2B 0.1379 0.5055 0.4833 0.180 Uiso calc R 1 1 H H2C 0.2825 0.5210 0.4596 0.180 Uiso calc R 1 1 C C3 0.0055(7) 0.4271(3) 0.3680(4) 0.112(3) Uani d . 1 1 H H3A -0.0378 0.4246 0.3196 0.168 Uiso calc R 1 1 H H3B -0.0685 0.4375 0.3926 0.168 Uiso calc R 1 1 H H3C 0.0509 0.3804 0.3832 0.168 Uiso calc R 1 1 C C4 0.0435(7) 0.5621(3) 0.3634(3) 0.0891(19) Uani d . 1 1 H H4A 0.1146 0.6012 0.3732 0.134 Uiso calc R 1 1 H H4B -0.0279 0.5693 0.3901 0.134 Uiso calc R 1 1 H H4C -0.0033 0.5630 0.3153 0.134 Uiso calc R 1 1 C C5 0.3128(4) 0.4280(2) 0.32526(19) 0.0337(9) Uani d . 1 1 C C6 0.3272(5) 0.3587(2) 0.3673(2) 0.0415(10) Uani d . 1 1 C C7 0.4307(5) 0.3561(2) 0.4283(2) 0.0510(11) Uani d . 1 1 H H7 0.4860 0.3984 0.4429 0.061 Uiso calc R 1 1 C C8 0.4556(7) 0.2921(3) 0.4691(3) 0.0682(15) Uani d . 1 1 C C9 0.3727(8) 0.2312(3) 0.4451(3) 0.089(2) Uani d . 1 1 H H9 0.3867 0.1879 0.4712 0.107 Uiso calc R 1 1 C C10 0.2714(8) 0.2312(3) 0.3850(3) 0.088(2) Uani d . 1 1 H H10 0.2182 0.1883 0.3706 0.105 Uiso calc R 1 1 C C11 0.2455(6) 0.2957(2) 0.3440(3) 0.0652(14) Uani d . 1 1 H H11 0.1760 0.2960 0.3026 0.078 Uiso calc R 1 1 C C12 0.5689(8) 0.2921(4) 0.5360(3) 0.112(2) Uani d . 1 1 H H12A 0.5769 0.2430 0.5554 0.167 Uiso calc R 1 1 H H12B 0.5408 0.3264 0.5674 0.167 Uiso calc R 1 1 H H12C 0.6611 0.3068 0.5276 0.167 Uiso calc R 1 1 C C13 0.6240(6) 0.3125(3) 0.3154(2) 0.0676(15) Uani d . 1 1 H H13A 0.6920 0.2872 0.2943 0.101 Uiso calc R 1 1 H H13B 0.5681 0.2768 0.3340 0.101 Uiso calc R 1 1 H H13C 0.6761 0.3439 0.3517 0.101 Uiso calc R 1 1 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 Hf1 0.04771(16) 0.03029(14) 0.03166(14) 0.000 0.01126(11) 0.000 Cl1 0.0724(8) 0.0574(7) 0.0391(6) -0.0115(6) -0.0002(5) 0.0005(5) Cl2 0.0921(10) 0.0479(7) 0.0683(8) 0.0238(7) 0.0361(8) 0.0044(6) Si1 0.0556(11) 0.0302(8) 0.0490(11) 0.000 0.0241(9) 0.000 N1 0.056(2) 0.056(2) 0.048(2) 0.0136(19) 0.0266(19) 0.0120(17) N2 0.0409(19) 0.0351(17) 0.0345(18) -0.0027(15) 0.0123(16) 0.0020(14) C1 0.054(3) 0.080(3) 0.049(3) 0.014(3) 0.025(2) 0.000(2) C2 0.109(5) 0.207(7) 0.044(4) 0.072(5) 0.018(4) -0.010(4) C3 0.096(5) 0.095(4) 0.174(8) -0.010(4) 0.093(5) -0.014(5) C4 0.091(4) 0.092(4) 0.100(5) 0.042(4) 0.055(4) 0.014(3) C5 0.035(2) 0.037(2) 0.028(2) -0.0086(19) 0.0047(18) -0.0062(16) C6 0.058(3) 0.036(2) 0.039(3) -0.004(2) 0.028(2) -0.0045(18) C7 0.061(3) 0.047(3) 0.048(3) 0.000(2) 0.020(2) 0.005(2) C8 0.097(4) 0.062(3) 0.054(3) 0.020(3) 0.035(3) 0.015(3) C9 0.174(7) 0.041(3) 0.076(4) 0.008(4) 0.076(5) 0.011(3) C10 0.160(7) 0.041(3) 0.080(4) -0.033(3) 0.062(5) -0.015(3) C11 0.085(4) 0.058(3) 0.061(3) -0.023(3) 0.032(3) -0.013(3) C12 0.134(6) 0.123(5) 0.072(5) 0.036(5) 0.013(4) 0.039(4) C13 0.084(4) 0.062(3) 0.071(4) 0.030(3) 0.045(3) 0.025(3) 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' Cl Cl 0.1484 0.1585 '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' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle N2 Hf1 N2 . 2_655 69.32(16) N2 Hf1 Cl2 . 2_655 164.88(9) N2 Hf1 Cl2 2_655 2_655 97.96(9) N2 Hf1 Cl2 . . 97.96(9) N2 Hf1 Cl2 2_655 . 164.88(9) Cl2 Hf1 Cl2 2_655 . 95.71(6) N2 Hf1 Cl1 . 2_655 94.22(9) N2 Hf1 Cl1 2_655 2_655 83.21(9) Cl2 Hf1 Cl1 2_655 2_655 92.23(4) Cl2 Hf1 Cl1 . 2_655 89.86(4) N2 Hf1 Cl1 . . 83.21(9) N2 Hf1 Cl1 2_655 . 94.22(9) Cl2 Hf1 Cl1 2_655 . 89.86(4) Cl2 Hf1 Cl1 . . 92.23(4) Cl1 Hf1 Cl1 2_655 . 176.89(5) N2 Hf1 Si1 . . 34.66(8) N2 Hf1 Si1 2_655 . 34.66(8) Cl2 Hf1 Si1 2_655 . 132.14(3) Cl2 Hf1 Si1 . . 132.14(3) Cl1 Hf1 Si1 2_655 . 88.45(3) Cl1 Hf1 Si1 . . 88.45(3) N2 Si1 N2 2_655 . 92.2(2) N2 Si1 C13 2_655 2_655 116.87(18) N2 Si1 C13 . 2_655 108.80(19) N2 Si1 C13 2_655 . 108.80(19) N2 Si1 C13 . . 116.87(18) C13 Si1 C13 2_655 . 112.1(3) N2 Si1 Hf1 2_655 . 46.09(10) N2 Si1 Hf1 . . 46.09(10) C13 Si1 Hf1 2_655 . 123.93(17) C13 Si1 Hf1 . . 123.93(17) C5 N1 C1 . . 133.8(4) C5 N1 H1 . . 113.1 C1 N1 H1 . . 113.1 C5 N2 Si1 . . 127.0(3) C5 N2 Hf1 . . 131.4(2) Si1 N2 Hf1 . . 99.25(14) C2 C1 C3 . . 111.6(5) C2 C1 N1 . . 110.4(4) C3 C1 N1 . . 110.6(4) C2 C1 C4 . . 109.5(5) C3 C1 C4 . . 109.2(5) N1 C1 C4 . . 105.2(4) C1 C2 H2A . . 109.5 C1 C2 H2B . . 109.5 H2A C2 H2B . . 109.5 C1 C2 H2C . . 109.5 H2A C2 H2C . . 109.5 H2B C2 H2C . . 109.5 C1 C3 H3A . . 109.5 C1 C3 H3B . . 109.5 H3A C3 H3B . . 109.5 C1 C3 H3C . . 109.5 H3A C3 H3C . . 109.5 H3B C3 H3C . . 109.5 C1 C4 H4A . . 109.5 C1 C4 H4B . . 109.5 H4A C4 H4B . . 109.5 C1 C4 H4C . . 109.5 H4A C4 H4C . . 109.5 H4B C4 H4C . . 109.5 N1 C5 N2 . . 120.5(3) N1 C5 C6 . . 119.6(3) N2 C5 C6 . . 119.9(3) C7 C6 C11 . . 119.6(4) C7 C6 C5 . . 118.7(4) C11 C6 C5 . . 121.5(4) C6 C7 C8 . . 122.2(5) C6 C7 H7 . . 118.9 C8 C7 H7 . . 118.9 C9 C8 C7 . . 116.7(5) C9 C8 C12 . . 122.9(5) C7 C8 C12 . . 120.4(5) C10 C9 C8 . . 122.8(5) C10 C9 H9 . . 118.6 C8 C9 H9 . . 118.6 C9 C10 C11 . . 120.6(5) C9 C10 H10 . . 119.7 C11 C10 H10 . . 119.7 C6 C11 C10 . . 117.9(5) C6 C11 H11 . . 121.0 C10 C11 H11 . . 121.0 C8 C12 H12A . . 109.5 C8 C12 H12B . . 109.5 H12A C12 H12B . . 109.5 C8 C12 H12C . . 109.5 H12A C12 H12C . . 109.5 H12B C12 H12C . . 109.5 Si1 C13 H13A . . 109.5 Si1 C13 H13B . . 109.5 H13A C13 H13B . . 109.5 Si1 C13 H13C . . 109.5 H13A C13 H13C . . 109.5 H13B C13 H13C . . 109.5 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag Hf1 N2 . 2.233(3) y Hf1 N2 2_655 2.233(3) ? Hf1 Cl2 2_655 2.4261(11) ? Hf1 Cl2 . 2.4261(11) y Hf1 Cl1 2_655 2.4366(11) ? Hf1 Cl1 . 2.4366(11) y Hf1 Si1 . 3.0588(16) y Si1 N2 2_655 1.762(3) ? Si1 N2 . 1.762(3) y Si1 C13 2_655 1.857(5) ? Si1 C13 . 1.857(5) y N1 C5 . 1.318(5) y N1 C1 . 1.504(5) y N1 H1 . 0.8600 y N2 C5 . 1.327(5) ? C1 C2 . 1.491(7) ? C1 C3 . 1.502(7) ? C1 C4 . 1.516(7) ? C2 H2A . 0.9600 ? C2 H2B . 0.9600 ? C2 H2C . 0.9600 ? C3 H3A . 0.9600 ? C3 H3B . 0.9600 ? C3 H3C . 0.9600 ? C4 H4A . 0.9600 ? C4 H4B . 0.9600 ? C4 H4C . 0.9600 ? C5 C6 . 1.491(5) ? C6 C7 . 1.377(6) ? C6 C11 . 1.390(6) ? C7 C8 . 1.399(6) ? C7 H7 . 0.9300 ? C8 C9 . 1.368(8) ? C8 C12 . 1.507(8) ? C9 C10 . 1.351(8) ? C9 H9 . 0.9300 ? C10 C11 . 1.409(7) ? C10 H10 . 0.9300 ? C11 H11 . 0.9300 ? C12 H12A . 0.9600 ? C12 H12B . 0.9600 ? C12 H12C . 0.9600 ? C13 H13A . 0.9600 ? C13 H13B . 0.9600 ? C13 H13C . 0.9600 ?