#------------------------------------------------------------------------------ #$Date: 2011-09-10 04:16:28 +0100 (Sat, 10 Sep 2011) $ #$Revision: 25271 $ #$URL: svn://www.crystallography.net/cod/cif/2/2200147.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_2200147 loop_ _publ_author_name 'Dahlenburg, Lutz' 'Osthoff, Nils' 'Heinemann, Frank W.' _publ_section_title ; Bis(\h^4^-cycloocta-1,5-diene)rhodium(I) trifluoromethanesulfonate ; _journal_issue 3 _journal_name_full 'Acta Crystallographica Section E' _journal_page_first m117 _journal_page_last m118 _journal_volume 57 _journal_year 2001 _chemical_formula_iupac '[Rh (C8 H12)2] (C F3 S O3)' _chemical_formula_moiety 'C16 H24 Rh 1+, C1 F3 O3 S1 1-' _chemical_formula_sum 'C17 H24 F3 O3 Rh S' _chemical_formula_weight 468.33 _chemical_name_systematic ; Bis(\h^4^-cycloocta-1,5-diene)rhodium(I)trifluoromethanesulfonate ; _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' _audit_creation_method 'WinGX routine CIF_UPDATE' _cell_angle_alpha 90 _cell_angle_beta 95.425(9) _cell_angle_gamma 90 _cell_formula_units_Z 8 _cell_length_a 14.072(2) _cell_length_b 17.617(2) _cell_length_c 14.840(2) _cell_measurement_reflns_used 25 _cell_measurement_temperature 203(2) _cell_measurement_theta_max 11.8 _cell_measurement_theta_min 7.4 _cell_volume 3662.5(8) _computing_cell_refinement 'CAD-4 EXPRESS' _computing_data_collection 'CAD-4 EXPRESS (Enraf Nonius, 1994)' _computing_data_reduction 'XCAD-4 (Harms & Wocadlo, 1995)' _computing_molecular_graphics 'ORTEP-3(Farrugia, 1997)' _computing_publication_material 'WinGX (Farrugia, 1999)' _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SIR97 (Altomare et al., 1997)' _diffrn_measured_fraction_theta_full .998 _diffrn_measured_fraction_theta_max .998 _diffrn_measurement_device '\k-geometry diffractometer' _diffrn_measurement_device_type 'Nonius CAD-4 MACH3' _diffrn_measurement_method 'non-profiled \w' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength .71073 _diffrn_reflns_av_R_equivalents .055 _diffrn_reflns_limit_h_max 16 _diffrn_reflns_limit_h_min -16 _diffrn_reflns_limit_k_max 21 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 17 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 7359 _diffrn_reflns_theta_full 25.18 _diffrn_reflns_theta_max 25.18 _diffrn_reflns_theta_min 2.23 _diffrn_standards_decay_% 0 _diffrn_standards_interval_time 60 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 1.089 _exptl_absorpt_correction_T_max .828 _exptl_absorpt_correction_T_min .788 _exptl_absorpt_correction_type '\y scan' _exptl_absorpt_process_details '(North et al., 1968)' _exptl_crystal_colour orange _exptl_crystal_density_diffrn 1.699 _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 1904 _exptl_crystal_size_max .23 _exptl_crystal_size_mid .18 _exptl_crystal_size_min .18 _refine_diff_density_max .79 _refine_diff_density_min -1.02 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.02 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 228 _refine_ls_number_reflns 3300 _refine_ls_number_restraints 2 _refine_ls_restrained_S_all 1.02 _refine_ls_R_factor_gt .058 _refine_ls_shift/su_max .001 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w = 1/[\s^2^(Fo^2^)+(0.0723P)^2^+12.5891P] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_ref .154 _reflns_number_gt 2158 _reflns_number_total 3300 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file ci6009.cif _[local]_cod_data_source_block I _[local]_cod_cif_authors_sg_H-M 'C 2/c' _cod_database_code 2200147 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_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_type_symbol Rh1 1 .12391(4) .75 .0370(2) Uani d S 1 Rh Rh2 .5 0 .5 .0531(3) Uani d S 1 Rh S1 .75874(16) .38713(15) .71469(16) .0636(6) Uani d . 1 S F1 .6929(9) .3262(8) .8527(6) .210(6) Uani d . 1 F F2 .7068(8) .2528(5) .7466(11) .238(7) Uani d . 1 F F3 .5973(5) .3274(7) .7415(7) .183(5) Uani d . 1 F O1 .7363(8) .3789(10) .6256(6) .221(8) Uani d . 1 O O2 .7373(7) .4564(5) .7574(9) .156(5) Uani d . 1 O O3 .8530(4) .3660(4) .7434(5) .0740(18) Uani d . 1 O C1 .9705(7) .2074(5) .8579(6) .062(2) Uani d . 1 C H1 .9357 .2376 .8141 .074 Uiso calc R 1 H C2 1.0661(7) .2045(5) .8546(5) .057(2) Uani d . 1 C H2 1.09 .2317 .8071 .069 Uiso calc R 1 H C3 1.1381(8) .1640(6) .9163(8) .082(3) Uani d D 1 C H3A 1.201 .1851 .9077 .099 Uiso calc R 1 H H3B 1.1252 .1753 .9787 .099 Uiso calc R 1 H C4 1.1431(10) .0825(7) .9067(11) .140(7) Uani d D 1 C H4A 1.1497 .0608 .9677 .168 Uiso calc R 1 H H4B 1.2023 .0711 .8796 .168 Uiso calc R 1 H C5 1.0664(7) .0414(5) .8546(6) .063(2) Uani d . 1 C H5 1.086 .0095 .8092 .075 Uiso calc R 1 H C6 .9719(7) .0422(5) .8618(6) .060(2) Uani d . 1 C H6 .9318 .0141 .82 .072 Uiso calc R 1 H C7 .9281(12) .0860(9) .9336(10) .156(8) Uani d . 1 C H7A .8651 .0641 .9398 .187 Uiso calc R 1 H H7B .9671 .0771 .9909 .187 Uiso calc R 1 H C8 .9159(8) .1681(7) .9232(8) .093(4) Uani d . 1 C H8A .932 .1915 .9826 .111 Uiso calc R 1 H H8B .848 .178 .9062 .111 Uiso calc R 1 H C9 .5166(13) .1213(6) .4686(9) .093(5) Uani d . 1 C H9 .5476 .1075 .4177 .112 Uiso calc R 1 H C10 .4217(14) .1102(6) .4648(8) .102(5) Uani d . 1 C H10 .3938 .087 .4117 .122 Uiso calc R 1 H C11 .3581(10) .1289(8) .5305(15) .136(7) Uani d D 1 C H11A .293 .1258 .5009 .164 Uiso calc R 1 H H11B .3695 .182 .5478 .164 Uiso calc R 1 H C12 .3618(12) .0846(13) .6123(9) .180(10) Uani d D 1 C H12A .3011 .0573 .6124 .216 Uiso calc R 1 H H12B .3658 .1199 .6635 .216 Uiso calc R 1 H C13 .4382(8) .0297(6) .6285(6) .070(3) Uani d . 1 C H13 .4187 -.0213 .6297 .084 Uiso calc R 1 H C14 .5319(6) .0409(5) .6420(5) .053(2) Uani d . 1 C H14 .5708 -.0019 .6544 .064 Uiso calc R 1 H C15 .5801(11) .1162(8) .6390(8) .120(6) Uani d . 1 C H15A .6473 .1098 .6618 .144 Uiso calc R 1 H H15B .5512 .1505 .6807 .144 Uiso calc R 1 H C16 .5764(9) .1541(8) .5480(13) .130(6) Uani d . 1 C H16A .5547 .2064 .5558 .156 Uiso calc R 1 H H16B .642 .1572 .5314 .156 Uiso calc R 1 H C17 .6856(9) .3192(7) .7708(10) .095(4) Uani d . 1 C (1,2) 1.0183 .2060 .8562 .0 Uiso dum . 0 dummy (5,6) 1.0192 .0418 .8582 .0 Uiso dum . 0 dummy (9,10) .4692 .1158 .4667 .0 Uiso dum . 0 dummy (13,14) .4851 .0353 .6353 .0 Uiso dum . 0 dummy 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 Rh1 .0319(5) .0317(4) .0477(5) 0 .0061(4) 0 Rh2 .0717(7) .0552(6) .0317(4) .0099(5) .0014(4) .0090(4) S1 .0457(13) .0835(16) .0616(13) .0230(12) .0047(11) .0085(11) F1 .252(13) .286(14) .099(6) -.161(12) .049(7) .014(8) F2 .155(9) .079(5) .49(2) -.042(6) .101(11) -.071(10) F3 .035(4) .277(13) .238(11) -.030(6) .013(5) -.013(10) O1 .109(8) .49(2) .063(5) -.090(12) -.024(5) .025(9) O2 .110(7) .067(5) .308(14) .029(5) .106(9) .005(7) O3 .049(4) .076(4) .094(5) .010(3) -.008(3) -.004(4) C1 .063(6) .066(5) .053(5) .023(5) -.005(5) -.014(4) C2 .072(7) .055(5) .046(4) -.017(5) .010(4) -.002(4) C3 .057(6) .090(8) .094(7) .009(6) -.019(6) -.021(6) C4 .085(9) .114(11) .200(16) -.021(8) -.088(10) .064(11) C5 .069(7) .046(5) .075(6) .009(4) .015(5) .023(4) C6 .051(6) .057(5) .075(6) -.005(4) .012(5) .023(4) C7 .157(14) .162(14) .167(14) .097(12) .111(12) .114(12) C8 .063(7) .131(10) .090(7) -.019(7) .037(6) -.045(7) C9 .157(14) .052(6) .081(7) .034(8) .067(9) .029(6) C10 .166(15) .069(7) .059(6) .015(9) -.056(9) .002(5) C11 .069(9) .083(9) .26(2) .024(7) .009(12) -.024(12) C12 .129(14) .32(3) .085(9) .131(17) -.014(10) -.064(14) C13 .081(8) .083(7) .048(5) -.006(6) .017(5) -.013(5) C14 .053(6) .063(5) .041(4) .003(4) -.004(4) -.002(4) C15 .152(13) .133(11) .085(8) -.085(10) .059(8) -.056(8) C16 .059(8) .088(9) .24(2) -.002(7) .026(10) .071(11) C17 .063(8) .090(9) .134(11) -.028(6) .021(7) -.039(8) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C .0033 .0016 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' H H 0 0 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O .0106 .006 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' F F .0171 .0103 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' S S .1246 .1234 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Rh Rh -1.1178 .9187 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' dummy 'midpoint of the C\\db C bonds in the C~8~H~12~ ligands' . . . 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 _geom_angle_publ_flag C2 Rh1 C2 . 2_756 101.3(5) ? C2 Rh1 C1 . . 35.1(3) ? C2 Rh1 C1 2_756 . 89.2(3) ? C2 Rh1 C1 . 2_756 89.2(3) ? C2 Rh1 C1 2_756 2_756 35.1(3) ? C1 Rh1 C1 . 2_756 97.9(5) ? C2 Rh1 C6 . 2_756 145.4(4) ? C2 Rh1 C6 2_756 2_756 89.1(3) ? C1 Rh1 C6 . 2_756 178.3(4) ? C1 Rh1 C6 2_756 2_756 80.6(3) ? C2 Rh1 C6 . . 89.1(3) ? C2 Rh1 C6 2_756 . 145.4(4) ? C1 Rh1 C6 . . 80.6(3) ? C1 Rh1 C6 2_756 . 178.3(4) ? C6 Rh1 C6 2_756 . 100.9(5) ? C2 Rh1 C5 . 2_756 179.4(3) ? C2 Rh1 C5 2_756 2_756 79.3(3) ? C1 Rh1 C5 . 2_756 145.0(4) ? C1 Rh1 C5 2_756 2_756 91.4(3) ? C6 Rh1 C5 2_756 2_756 34.6(3) ? C6 Rh1 C5 . 2_756 90.3(3) ? C2 Rh1 C5 . . 79.3(3) ? C2 Rh1 C5 2_756 . 179.4(3) ? C1 Rh1 C5 . . 91.4(3) ? C1 Rh1 C5 2_756 . 145.0(4) ? C6 Rh1 C5 2_756 . 90.3(3) ? C6 Rh1 C5 . . 34.6(3) ? C5 Rh1 C5 2_756 . 100.1(5) ? (1,2) Rh1 (1,2) . 2_756 94.82 yes (1,2) Rh1 (5,6) . 2_756 179.43 yes (1,2) Rh1 (5,6) . . 84.64 yes (1,2) Rh1 (5,6) 2_756 2_756 84.64 ? (1,2) Rh1 (5,6) 2_756 . 179.43 ? (5,6) Rh1 (5,6) . 2_756 95.89 yes C9 Rh2 C9 . 5_656 180.0000(10) ? C9 Rh2 C13 . 5_656 89.4(4) ? C9 Rh2 C13 5_656 5_656 90.6(4) ? C9 Rh2 C13 . . 90.6(4) ? C9 Rh2 C13 5_656 . 89.4(4) ? C13 Rh2 C13 5_656 . 180.0000(10) ? C9 Rh2 C14 . 5_656 97.4(4) ? C9 Rh2 C14 5_656 5_656 82.6(4) ? C13 Rh2 C14 5_656 5_656 34.7(3) ? C13 Rh2 C14 . 5_656 145.3(3) ? C9 Rh2 C14 . . 82.6(4) ? C9 Rh2 C14 5_656 . 97.4(4) ? C13 Rh2 C14 5_656 . 145.3(3) ? C13 Rh2 C14 . . 34.7(3) ? C14 Rh2 C14 5_656 . 180.0000(10) ? C9 Rh2 C10 . . 35.0(5) ? C9 Rh2 C10 5_656 . 145.0(5) ? C13 Rh2 C10 5_656 . 102.9(5) ? C13 Rh2 C10 . . 77.1(5) ? C14 Rh2 C10 5_656 . 90.5(4) ? C14 Rh2 C10 . . 89.5(4) ? C9 Rh2 C10 . 5_656 145.0(5) ? C9 Rh2 C10 5_656 5_656 35.0(5) ? C13 Rh2 C10 5_656 5_656 77.1(5) ? C13 Rh2 C10 . 5_656 102.9(5) ? C14 Rh2 C10 5_656 5_656 89.5(4) ? C14 Rh2 C10 . 5_656 90.5(4) ? C10 Rh2 C10 . 5_656 180.0000(10) ? (9,10) Rh2 (13,14) . . 84.46 yes (9,10) Rh2 (9,10) . 5_656 180.00 ? (9,10) Rh2 (13,14) . 5_565 95.54 yes (9,10) Rh2 (13,14) 5_565 . 95.54 ? (9,10) Rh2 (13,14) 5_556 5_565 84.46 ? (13,14) Rh2 (13,14) . 5_565 180.00 ? O1 S1 O3 . . 113.6(7) yes O1 S1 O2 . . 119.5(9) yes O3 S1 O2 . . 109.1(6) yes O1 S1 C17 . . 106.8(7) ? O3 S1 C17 . . 104.1(5) ? O2 S1 C17 . . 101.9(6) ? C2 C1 C8 . . 126.3(9) yes C2 C1 Rh1 . . 72.4(5) ? C8 C1 Rh1 . . 107.8(6) ? C2 C1 H1 . . 116.9 ? C8 C1 H1 . . 116.9 ? Rh1 C1 H1 . . 89.8 ? C1 C2 C3 . . 128.3(9) yes C1 C2 Rh1 . . 72.5(5) ? C3 C2 Rh1 . . 109.7(6) ? C1 C2 H2 . . 115.8 ? C3 C2 H2 . . 115.8 ? Rh1 C2 H2 . . 87.6 ? C4 C3 C2 . . 117.0(9) ? C4 C3 H3A . . 108.1 ? C2 C3 H3A . . 108.1 ? C4 C3 H3B . . 108.1 ? C2 C3 H3B . . 108.1 ? H3A C3 H3B . . 107.3 ? C3 C4 C5 . . 120.3(9) ? C3 C4 H4A . . 107.2 ? C5 C4 H4A . . 107.2 ? C3 C4 H4B . . 107.2 ? C5 C4 H4B . . 107.2 ? H4A C4 H4B . . 106.9 ? C6 C5 C4 . . 129.9(12) yes C6 C5 Rh1 . . 72.6(5) ? C4 C5 Rh1 . . 106.3(6) ? C6 C5 H5 . . 115.1 ? C4 C5 H5 . . 115.1 ? Rh1 C5 H5 . . 91.3 ? C5 C6 C7 . . 122.7(11) yes C5 C6 Rh1 . . 72.9(5) ? C7 C6 Rh1 . . 107.9(6) ? C5 C6 H6 . . 118.7 ? C7 C6 H6 . . 118.7 ? Rh1 C6 H6 . . 89.2 ? C8 C7 C6 . . 119.1(9) ? C8 C7 H7A . . 107.5 ? C6 C7 H7A . . 107.5 ? C8 C7 H7B . . 107.5 ? C6 C7 H7B . . 107.5 ? H7A C7 H7B . . 107 ? C7 C8 C1 . . 118.2(9) ? C7 C8 H8A . . 107.8 ? C1 C8 H8A . . 107.8 ? C7 C8 H8B . . 107.8 ? C1 C8 H8B . . 107.8 ? H8A C8 H8B . . 107.1 ? C10 C9 C16 . . 124.8(11) yes C10 C9 Rh2 . . 75.1(8) ? C16 C9 Rh2 . . 105.7(7) ? C10 C9 H9 . . 117.6 ? C16 C9 H9 . . 117.6 ? Rh2 C9 H9 . . 89.2 ? C9 C10 C11 . . 128.6(12) yes C9 C10 Rh2 . . 69.9(8) ? C11 C10 Rh2 . . 111.3(9) ? C9 C10 H10 . . 115.7 ? C11 C10 H10 . . 115.7 ? Rh2 C10 H10 . . 88.7 ? C10 C11 C12 . . 118.5(11) ? C10 C11 H11A . . 107.7 ? C12 C11 H11A . . 107.7 ? C10 C11 H11B . . 107.7 ? C12 C11 H11B . . 107.7 ? H11A C11 H11B . . 107.1 ? C11 C12 C13 . . 118.0(12) ? C11 C12 H12A . . 107.8 ? C13 C12 H12A . . 107.8 ? C11 C12 H12B . . 107.8 ? C13 C12 H12B . . 107.8 ? H12A C12 H12B . . 107.2 ? C14 C13 C12 . . 129.5(13) yes C14 C13 Rh2 . . 72.7(5) ? C12 C13 Rh2 . . 110.9(8) ? C14 C13 H13 . . 115.3 ? C12 C13 H13 . . 115.3 ? Rh2 C13 H13 . . 86 ? C13 C14 C15 . . 125.0(10) yes C13 C14 Rh2 . . 72.6(5) ? C15 C14 Rh2 . . 108.1(6) ? C13 C14 H14 . . 117.5 ? C15 C14 H14 . . 117.5 ? Rh2 C14 H14 . . 89.3 ? C14 C15 C16 . . 116.4(10) ? C14 C15 H15A . . 108.2 ? C16 C15 H15A . . 108.2 ? C14 C15 H15B . . 108.2 ? C16 C15 H15B . . 108.2 ? H15A C15 H15B . . 107.3 ? C9 C16 C15 . . 120.3(10) ? C9 C16 H16A . . 107.2 ? C15 C16 H16A . . 107.2 ? C9 C16 H16B . . 107.2 ? C15 C16 H16B . . 107.2 ? H16A C16 H16B . . 106.9 ? F1 C17 F2 . . 112.1(17) yes F1 C17 F3 . . 108.3(13) yes F2 C17 F3 . . 104.6(12) yes F1 C17 S1 . . 113.0(9) ? F2 C17 S1 . . 108.5(10) ? F3 C17 S1 . . 109.9(11) ? 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 Rh1 C2 . 2.240(8) yes Rh1 C2 2_756 2.240(8) ? Rh1 C1 . 2.242(8) yes Rh1 C1 2_756 2.242(8) ? Rh1 C6 2_756 2.259(8) ? Rh1 C6 . 2.259(8) yes Rh1 C5 2_756 2.263(8) ? Rh1 C5 . 2.263(8) yes Rh1 (1,2) . 2.137 yes Rh1 (1,2) 2_756 2.137 ? Rh1 (5,6) . 2.159 yes Rh1 (5,6) 2_756 2.159 ? Rh2 C9 . 2.205(11) yes Rh2 C9 5_656 2.205(11) ? Rh2 C13 5_656 2.232(9) ? Rh2 C13 . 2.232(9) yes Rh2 C14 5_656 2.233(7) ? Rh2 C14 . 2.233(7) yes Rh2 C10 . 2.269(12) yes Rh2 C10 5_656 2.269(12) ? Rh2 (9,10) . 2.134 yes Rh2 (9,10) 5_656 2.134 ? Rh2 (13,14) . 2.131 yes Rh2 (13,14) 5_656 2.131 ? S1 O1 . 1.337(9) yes S1 O3 . 1.405(6) yes S1 O2 . 1.421(9) yes S1 C17 . 1.829(13) yes F1 C17 . 1.215(14) yes F2 C17 . 1.268(14) yes F3 C17 . 1.286(14) yes C1 C2 . 1.351(12) yes C1 C8 . 1.467(14) ? C1 H1 . .94 ? C2 C3 . 1.483(13) ? C2 H2 . .94 ? C3 C4 . 1.445(13) ? C3 H3A . .98 ? C3 H3B . .98 ? C4 C5 . 1.459(14) ? C4 H4A . .98 ? C4 H4B . .98 ? C5 C6 . 1.343(12) yes C5 H5 . .94 ? C6 C7 . 1.495(17) ? C6 H6 . .94 ? C7 C8 . 1.463(17) ? C7 H7A . .98 ? C7 H7B . .98 ? C8 H8A . .98 ? C8 H8B . .98 ? C9 C10 . 1.345(19) yes C9 C16 . 1.497(19) ? C9 H9 . .94 ? C10 C11 . 1.42(2) ? C10 H10 . .94 ? C11 C12 . 1.440(15) ? C11 H11A . .98 ? C11 H11B . .98 ? C12 C13 . 1.450(17) ? C12 H12A . .98 ? C12 H12B . .98 ? C13 C14 . 1.330(12) yes C13 H13 . .94 ? C14 C15 . 1.493(13) ? C14 H14 . .94 ? C15 C16 . 1.503(17) ? C15 H15A . .98 ? C15 H15B . .98 ? C16 H16A . .98 ? C16 H16B . .98 ?