#------------------------------------------------------------------------------ #$Date: 2016-02-19 14:29:56 +0000 (Fri, 19 Feb 2016) $ #$Revision: 176759 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/69/2006901.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_2006901 loop_ _publ_author_name 'McWhannell, M. Anna' 'Rosair, Georgina M.' 'Welch, Alan J.' _publ_contact_author ; Dr G. M. Rosair Department of Chemistry Heriot-Watt University Riccarton Edinburgh EH14 4AS ; _publ_section_title 1-[Chloro(diphenylphosphino)gold(I)-P]-2-phenyl-1,2-dicarba-closo-dodecaborane(12) _journal_issue 1 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 13 _journal_page_last 15 _journal_paper_doi 10.1107/S0108270197013048 _journal_volume 54 _journal_year 1998 _chemical_formula_iupac '[Au Cl {(C6 H5)2 P (C8 H15 B10)}]' _chemical_formula_sum 'C20 H25 Au B10 Cl P' _chemical_formula_weight 636.89 _chemical_name_systematic ; ? ; _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _audit_creation_method SHELXL _cell_angle_alpha 90.00 _cell_angle_beta 101.462(7) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 9.6749(8) _cell_length_b 14.531(2) _cell_length_c 18.053(2) _cell_measurement_reflns_used 28 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 12.35 _cell_measurement_theta_min 4.89 _cell_volume 2487.4(5) _computing_cell_refinement XSCANS _computing_data_collection 'XSCANS (Siemens, 1994)' _computing_data_reduction XSCANS _computing_molecular_graphics SHELXTL/PC _computing_publication_material SHELXTL/PC _computing_structure_refinement SHELXTL/PC _computing_structure_solution 'SHELXTL/PC (Sheldrick, 1994)' _diffrn_ambient_temperature 293(2) _diffrn_measurement_device 'Siemens P4' _diffrn_measurement_method '\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 0.0679 _diffrn_reflns_av_sigmaI/netI 0.0977 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_h_min -1 _diffrn_reflns_limit_k_max 17 _diffrn_reflns_limit_k_min -1 _diffrn_reflns_limit_l_max 21 _diffrn_reflns_limit_l_min -21 _diffrn_reflns_number 5694 _diffrn_reflns_theta_max 25.00 _diffrn_reflns_theta_min 1.81 _diffrn_standards_decay_% 5.77 _diffrn_standards_interval_count 97 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 6.095 _exptl_absorpt_correction_T_max 0.6188 _exptl_absorpt_correction_T_min 0.1474 _exptl_absorpt_correction_type integration _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.701 _exptl_crystal_density_meas ? _exptl_crystal_description plate _exptl_crystal_F_000 1224 _exptl_crystal_size_max 0.62 _exptl_crystal_size_mid 0.44 _exptl_crystal_size_min 0.15 _refine_diff_density_max 0.979 _refine_diff_density_min -1.756 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_all 1.050 _refine_ls_goodness_of_fit_obs 1.091 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 298 _refine_ls_number_reflns 4366 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.050 _refine_ls_restrained_S_obs 1.091 _refine_ls_R_factor_all 0.0993 _refine_ls_R_factor_obs .0510 _refine_ls_shift/esd_max -0.001 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)+(0.0432P)^2^] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.1156 _refine_ls_wR_factor_obs .0960 _reflns_number_observed 2887 _reflns_number_total 4366 _reflns_observed_criterion I>2sigma(I) _cod_data_source_file ab1516.cif _cod_data_source_block global _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to '/home/saulius/struct/CIF-dictionaries/cif_core.dic' dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_enum 1527 2010-12-29 10:47:43Z saulius The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to /home/saulius/struct/CIF-dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.1 from 2010-06-29. Automatic conversion script Id: cif_fix_values 1715 2011-07-08 13:25:40Z adriana The following automatic conversions were performed: '_exptl_crystal_density_meas' value 'not measured' was changed to '?' - the value is perceived as not measured. Automatic conversion script Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'calc w=1/[\s^2^(Fo^2^)+(0.0432P)^2^] where P=(Fo^2^+2Fc^2^)/3' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w=1/[\s^2^(Fo^2^)+(0.0432P)^2^] where P=(Fo^2^+2Fc^2^)/3'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_cell_volume 2487.4(4) _cod_original_sg_symbol_H-M 'P 21/n' _cod_database_code 2006901 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x-1/2, -y-1/2, z-1/2' 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 Au1 .0347(2) .0361(2) .0349(2) .0000(2) .00150(12) .0052(3) P1 .0300(11) .0365(14) .0289(12) .0025(11) .0054(10) -.0005(12) Cl1 .051(2) .050(2) .065(2) .0048(14) -.0075(15) .018(2) C1 .031(4) .035(6) .028(5) .004(4) .004(4) -.008(4) C2 .025(4) .045(6) .032(5) .001(4) .007(4) .001(5) B3 .033(5) .023(5) .047(7) -.003(5) .008(5) .003(5) B4 .032(5) .052(8) .030(6) -.003(6) .001(5) .012(6) B5 .026(4) .050(7) .028(5) -.003(6) .007(4) .004(6) B6 .033(5) .050(8) .035(6) .001(5) .011(5) -.007(6) B7 .049(7) .035(6) .065(11) -.014(6) .006(7) .009(7) B8 .043(6) .043(7) .072(10) .009(6) .017(7) .013(8) B9 .039(6) .085(12) .033(7) -.005(7) .010(5) .031(8) B10 .041(6) .079(11) .027(6) -.001(7) .013(5) .011(7) B11 .030(5) .060(8) .036(7) .006(6) .016(5) .006(6) B12 .042(6) .050(8) .041(7) -.004(6) .006(6) .014(7) C21 .039(5) .045(7) .028(5) -.018(5) -.005(4) .003(5) C22 .058(7) .065(8) .033(6) -.010(7) -.006(5) -.004(6) C23 .093(11) .080(10) .032(7) -.020(10) -.004(7) -.010(7) C24 .072(9) .094(14) .046(8) -.021(9) -.012(7) .014(9) C25 .058(7) .055(8) .064(9) .004(7) -.001(7) .035(8) C26 .039(5) .053(7) .054(7) .002(5) .003(5) .007(7) C31 .035(5) .041(7) .030(5) -.005(4) .016(4) -.005(5) C32 .046(6) .058(8) .039(6) .004(6) .013(5) -.013(6) C33 .042(6) .043(7) .081(10) .002(5) .030(6) .001(7) C34 .069(8) .060(8) .060(8) -.006(7) .042(7) -.022(7) C35 .081(9) .043(7) .038(6) -.002(7) .037(7) -.001(6) C36 .048(6) .068(9) .034(6) -.004(7) .008(5) .001(7) C41 .029(4) .041(6) .034(5) -.003(4) .005(4) .006(5) C42 .035(6) .078(10) .081(11) .006(7) -.001(6) -.028(9) C43 .051(8) .096(15) .117(16) .001(9) -.028(9) -.034(14) C44 .074(10) .076(12) .074(11) -.028(9) -.044(9) .006(10) C45 .077(8) .041(7) .052(7) -.010(7) .014(7) -.022(6) C46 .045(6) .043(6) .064(8) -.001(5) .000(6) .009(6) loop_ _atom_site_label _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_occupancy _atom_site_disorder_group _atom_site_type_symbol Au1 -.07440(4) -.57751(3) -.18275(3) .03597(12) Uani d . 1 . Au P1 -.2133(3) -.4784(2) -.25742(15) .0318(6) Uani d . 1 . P Cl1 .0536(3) -.6817(2) -.1030(2) .0580(9) Uani d . 1 . Cl C1 -.1154(10) -.4001(7) -.3139(6) .032(2) Uani d . 1 . C C2 .0551(10) -.3665(8) -.2715(6) .034(2) Uani d . 1 . C B3 -.0857(12) -.2881(8) -.2816(8) .034(3) Uani d . 1 . B H3 -.1261(12) -.2590(8) -.2337(8) .041 Uiso calc R 1 . H B4 -.1956(12) -.3163(10) -.3697(7) .039(3) Uani d . 1 . B H4 -.3099(12) -.3038(10) -.3790(7) .046 Uiso calc R 1 . H B5 -.1268(10) -.4122(10) -.4090(6) .034(3) Uani d . 1 . B H5 -.1952(10) -.4622(10) -.4446(6) .041 Uiso calc R 1 . H B6 .0271(12) -.4473(10) -.3443(7) .039(3) Uani d . 1 . B H6 .0568(12) -.5202(10) -.3362(7) .046 Uiso calc R 1 . H B7 .0858(15) -.2572(10) -.3017(9) .050(4) Uani d . 1 . B H7 .1550(15) -.2065(10) -.2674(9) .060 Uiso calc R 1 . H B8 -.0742(14) -.2262(11) -.3650(10) .052(4) Uani d . 1 . B H8 -.1098(14) -.1542(11) -.3719(10) .062 Uiso calc R 1 . H B9 -.0974(14) -.3026(13) -.4418(8) .052(4) Uani d . 1 . B H9 -.1469(14) -.2810(13) -.4993(8) .062 Uiso calc R 1 . H B10 .0427(14) -.3823(13) -.4245(8) .048(4) Uani d . 1 . B H10 .0861(14) -.4134(13) -.4706(8) .058 Uiso calc R 1 . H B11 .1543(12) -.3561(11) -.3396(7) .041(3) Uani d . 1 . B H11 .2682(12) -.3702(11) -.3296(7) .049 Uiso calc R 1 . H B12 .0743(13) -.2661(11) -.4001(8) .044(3) Uani d . 1 . B H12 .1355(13) -.2205(11) -.4300(8) .053 Uiso calc R 1 . H C21 .1223(11) -.3970(8) -.1928(6) .039(3) Uani d . 1 . C C22 .0890(14) -.3598(10) -.1290(7) .054(3) Uani d . 1 . C H22 .0149(14) -.3180(10) -.1340(7) .065 Uiso calc R 1 . H C23 .1621(18) -.3825(12) -.0569(8) .071(4) Uani d . 1 . C H23 .1390(18) -.3561(12) -.0140(8) .085 Uiso calc R 1 . H C24 .2705(17) -.4458(12) -.0515(9) .074(5) Uani d . 1 . C H24 .3221(17) -.4609(12) -.0039(9) .089 Uiso calc R 1 . H C25 .3033(14) -.4857(10) -.1117(9) .061(4) Uani d . 1 . C H25 .3755(14) -.5289(10) -.1061(9) .073 Uiso calc R 1 . H C26 .2285(12) -.4623(9) -.1842(8) .049(3) Uani d . 1 . C H26 .2505(12) -.4908(9) -.2265(8) .059 Uiso calc R 1 . H C31 -.3098(10) -.4032(7) -.2048(6) .034(2) Uani d . 1 . C C32 -.4110(12) -.3391(10) -.2374(7) .047(3) Uani d . 1 . C H32 -.4295(12) -.3299(10) -.2894(7) .056 Uiso calc R 1 . H C33 -.4829(13) -.2900(9) -.1930(9) .053(3) Uani d . 1 . C H33 -.5534(13) -.2493(9) -.2149(9) .063 Uiso calc R 1 . H C34 -.4516(15) -.3005(10) -.1162(8) .059(4) Uani d . 1 . C H34 -.5017(15) -.2661(10) -.0870(8) .071 Uiso calc R 1 . H C35 -.3500(15) -.3594(9) -.0807(7) .050(3) Uani d . 1 . C H35 -.3284(15) -.3643(9) -.0283(7) .060 Uiso calc R 1 . H C36 -.2799(12) -.4118(11) -.1261(7) .050(3) Uani d . 1 . C H36 -.2114(12) -.4536(11) -.1035(7) .060 Uiso calc R 1 . H C41 -.3388(10) -.5368(8) -.3305(6) .035(2) Uani d . 1 . C C42 -.4812(12) -.5170(12) -.3496(9) .066(4) Uani d . 1 . C H42 -.5194(12) -.4717(12) -.3233(9) .079 Uiso calc R 1 . H C43 -.5657(16) -.5634(14) -.4068(12) .094(7) Uani d . 1 . C H43 -.6613(16) -.5491(14) -.4186(12) .113 Uiso calc R 1 . H C44 -.5146(17) -.6306(13) -.4474(10) .083(6) Uani d . 1 . C H44 -.5731(17) -.6606(13) -.4873(10) .099 Uiso calc R 1 . H C45 -.3756(15) -.6519(9) -.4274(8) .056(3) Uani d . 1 . C H45 -.3387(15) -.6974(9) -.4541(8) .068 Uiso calc R 1 . H C46 -.2891(13) -.6086(9) -.3698(8) .052(3) Uani d . 1 . C H46 -.1954(13) -.6269(9) -.3560(8) .062 Uiso calc R 1 . H 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' B B 0.0013 0.0007 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' P P 0.1023 0.0942 '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' Au Au -2.0133 8.8022 '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 P1 Au1 Cl1 175.84(12) y C41 P1 C31 108.8(5) y C41 P1 C1 102.8(5) y C31 P1 C1 106.4(5) y C41 P1 Au1 111.9(4) y C31 P1 Au1 112.4(4) y C1 P1 Au1 113.9(3) y B4 C1 B5 62.6(7) ? B4 C1 B6 113.8(9) ? B5 C1 B6 62.3(6) ? B4 C1 B3 62.9(7) ? B5 C1 B3 114.2(9) ? B6 C1 B3 113.0(8) ? B4 C1 C2 110.3(8) ? B5 C1 C2 109.7(7) ? B6 C1 C2 60.3(6) ? B3 C1 C2 60.7(6) ? B4 C1 P1 122.5(7) y B5 C1 P1 122.5(7) y B6 C1 P1 116.6(7) y B3 C1 P1 116.6(7) y C2 C1 P1 117.4(7) y C21 C2 B11 120.3(9) ? C21 C2 B7 120.0(10) ? B11 C2 B7 62.2(8) ? C21 C2 B6 119.1(10) ? B11 C2 B6 62.8(8) ? B7 C2 B6 113.1(9) ? C21 C2 C1 121.7(9) ? B11 C2 C1 109.0(8) ? B7 C2 C1 109.0(8) ? B6 C2 C1 59.3(6) ? C21 C2 B3 118.0(9) ? B11 C2 B3 113.7(9) ? B7 C2 B3 63.2(8) ? B6 C2 B3 111.0(8) ? C1 C2 B3 59.4(6) ? C1 B3 C2 59.9(6) ? C1 B3 B4 56.8(7) ? C2 B3 B4 104.9(9) ? C1 B3 B8 102.9(10) ? C2 B3 B8 103.7(9) ? B4 B3 B8 59.0(8) ? C1 B3 B7 105.1(9) ? C2 B3 B7 57.5(7) ? B4 B3 B7 106.5(10) ? B8 B3 B7 59.6(7) ? C1 B4 B8 106.8(8) ? C1 B4 B5 59.7(7) ? B8 B4 B5 108.0(9) ? C1 B4 B9 105.8(9) ? B8 B4 B9 59.8(9) ? B5 B4 B9 59.3(9) ? C1 B4 B3 60.3(6) ? B8 B4 B3 60.5(8) ? B5 B4 B3 109.7(8) ? B9 B4 B3 108.7(9) ? C1 B5 B9 105.4(10) ? C1 B5 B4 57.7(6) ? B9 B5 B4 60.8(8) ? C1 B5 B10 104.9(8) ? B9 B5 B10 60.2(8) ? B4 B5 B10 107.8(10) ? C1 B5 B6 59.3(6) ? B9 B5 B6 108.3(9) ? B4 B5 B6 107.3(8) ? B10 B5 B6 59.5(7) ? C1 B6 C2 60.4(6) ? C1 B6 B10 104.7(9) ? C2 B6 B10 103.5(10) ? C1 B6 B5 58.4(6) ? C2 B6 B5 106.7(9) ? B10 B6 B5 60.2(7) ? C1 B6 B11 106.0(9) ? C2 B6 B11 57.8(7) ? B10 B6 B11 58.3(8) ? B5 B6 B11 107.2(10) ? C2 B7 B12 105.7(10) ? C2 B7 B11 58.5(7) ? B12 B7 B11 60.4(8) ? C2 B7 B8 104.6(9) ? B12 B7 B8 60.1(8) ? B11 B7 B8 107.4(11) ? C2 B7 B3 59.3(6) ? B12 B7 B3 107.8(9) ? B11 B7 B3 107.6(9) ? B8 B7 B3 58.9(8) ? B4 B8 B9 60.6(8) ? B4 B8 B3 60.5(7) ? B9 B8 B3 109.2(10) ? B4 B8 B12 108.7(11) ? B9 B8 B12 59.9(8) ? B3 B8 B12 109.1(10) ? B4 B8 B7 109.3(10) ? B9 B8 B7 107.7(10) ? B3 B8 B7 61.5(8) ? B12 B8 B7 59.2(8) ? B5 B9 B8 108.3(9) ? B5 B9 B10 60.7(8) ? B8 B9 B10 107.6(10) ? B5 B9 B12 109.5(9) ? B8 B9 B12 60.7(8) ? B10 B9 B12 59.7(8) ? B5 B9 B4 60.0(7) ? B8 B9 B4 59.5(8) ? B10 B9 B4 107.6(10) ? B12 B9 B4 108.5(10) ? B11 B10 B12 61.3(8) ? B11 B10 B6 62.0(7) ? B12 B10 B6 110.4(10) ? B11 B10 B9 109.5(12) ? B12 B10 B9 60.2(9) ? B6 B10 B9 108.0(9) ? B11 B10 B5 110.3(9) ? B12 B10 B5 108.5(11) ? B6 B10 B5 60.3(7) ? B9 B10 B5 59.1(8) ? C2 B11 B10 106.0(9) ? C2 B11 B7 59.2(7) ? B10 B11 B7 107.7(10) ? C2 B11 B12 105.5(9) ? B10 B11 B12 60.0(9) ? B7 B11 B12 59.4(8) ? C2 B11 B6 59.5(7) ? B10 B11 B6 59.8(8) ? B7 B11 B6 108.0(8) ? B12 B11 B6 107.6(9) ? B10 B12 B7 107.3(10) ? B10 B12 B9 60.1(9) ? B7 B12 B9 108.5(10) ? B10 B12 B8 106.9(10) ? B7 B12 B8 60.7(9) ? B9 B12 B8 59.4(9) ? B10 B12 B11 58.7(8) ? B7 B12 B11 60.2(8) ? B9 B12 B11 107.4(10) ? B8 B12 B11 107.8(10) ? C22 C21 C26 118.0(12) ? C22 C21 C2 123.2(11) ? C26 C21 C2 118.7(11) ? C21 C22 C23 122.2(15) ? C24 C23 C22 117.4(15) ? C25 C24 C23 122.3(14) ? C24 C25 C26 119.7(14) ? C21 C26 C25 120.3(14) ? C32 C31 C36 118.4(10) ? C32 C31 P1 124.7(8) ? C36 C31 P1 116.9(9) ? C33 C32 C31 119.9(12) ? C32 C33 C34 120.1(13) ? C35 C34 C33 122.7(12) ? C34 C35 C36 117.2(12) ? C35 C36 C31 121.5(12) ? C42 C41 C46 117.0(12) ? C42 C41 P1 124.9(11) ? C46 C41 P1 118.0(8) ? C43 C42 C41 120.3(15) ? C42 C43 C44 122.1(14) ? C45 C44 C43 117.6(14) ? C46 C45 C44 121.8(15) ? C45 C46 C41 120.9(12) ? 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 Au1 P1 . 2.232(3) y Au1 Cl1 . 2.279(3) y P1 C41 . 1.816(11) y P1 C31 . 1.822(10) y P1 C1 . 1.902(11) y C1 B4 . 1.670(15) y C1 B5 . 1.707(14) y C1 B6 . 1.724(14) y C1 B3 . 1.734(15) y C1 C2 . 1.744(13) y C2 C21 . 1.506(14) y C2 B11 . 1.71(2) y C2 B7 . 1.72(2) y C2 B6 . 1.74(2) y C2 B3 . 1.76(2) y B3 B4 . 1.78(2) y B3 B8 . 1.78(2) y B3 B7 . 1.82(2) y B4 B8 . 1.75(2) y B4 B5 . 1.75(2) y B4 B9 . 1.77(2) y B5 B9 . 1.74(2) y B5 B10 . 1.77(2) y B5 B6 . 1.77(2) y B6 B10 . 1.76(2) y B6 B11 . 1.80(2) y B7 B12 . 1.76(2) y B7 B11 . 1.78(2) y B7 B8 . 1.79(2) y B8 B9 . 1.76(2) y B8 B12 . 1.78(2) y B9 B10 . 1.76(2) y B9 B12 . 1.76(2) y B10 B11 . 1.73(2) y B10 B12 . 1.76(2) y B11 B12 . 1.78(2) y C21 C22 . 1.37(2) ? C21 C26 . 1.38(2) ? C22 C23 . 1.39(2) ? C23 C24 . 1.38(2) ? C24 C25 . 1.33(2) ? C25 C26 . 1.40(2) ? C31 C32 . 1.39(2) ? C31 C36 . 1.399(15) ? C32 C33 . 1.36(2) ? C33 C34 . 1.37(2) ? C34 C35 . 1.36(2) ? C35 C36 . 1.39(2) ? C41 C42 . 1.38(2) ? C41 C46 . 1.40(2) ? C42 C43 . 1.36(2) ? C43 C44 . 1.37(3) ? C44 C45 . 1.36(2) ? C45 C46 . 1.35(2) ?