#------------------------------------------------------------------------------ #$Date: 2016-02-14 04:40:26 +0000 (Sun, 14 Feb 2016) $ #$Revision: 176432 $ #$URL: svn://www.crystallography.net/cod/cif/7/11/21/7112180.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_7112180 loop_ _publ_author_name 'Y. Maximilian Klein' 'Natasha F. Sciortino' 'Florence Ragon' 'Catherine E. Housecroft' 'Cameron J. Kepert' 'Suzanne M. Neville' _publ_section_title ; Spin crossover intermediate plateau stabilization in a flexible 2-D Hofmann-type coordination polymer ; _journal_coden_Cambridge 182 _journal_name_full Chem.Commun. _journal_page_first 3838 _journal_paper_doi 10.1039/C4CC01079E _journal_volume 50 _journal_year 2014 _chemical_formula_moiety 'C18 H12 Fe N12 Pd S2, (H2O, C2H6O)' _chemical_formula_sum 'C20 H20 Fe N12 O2 Pd S2' _chemical_formula_weight 685.85 _chemical_name_systematic ; ? ; _space_group_IT_number 2 _symmetry_cell_setting triclinic _symmetry_Int_Tables_number 2 _symmetry_space_group_name_Hall '-P 1' _symmetry_space_group_name_H-M 'P -1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_date '9 November 2005' _audit_creation_method SHELXL-97 _cell_angle_alpha 69.130(3) _cell_angle_beta 90.027(3) _cell_angle_gamma 74.359(3) _cell_formula_units_Z 2 _cell_length_a 7.2333(15) _cell_length_b 13.404(3) _cell_length_c 14.527(3) _cell_measurement_reflns_used 600 _cell_measurement_temperature 180(2) _cell_measurement_theta_max 27.225 _cell_measurement_theta_min 2.601 _cell_volume 1260.0(5) _computing_cell_refinement 'SMART (BrukerAXS, 1997)' _computing_data_collection 'SMART (BrukerAXS, 1997)' _computing_data_reduction 'SAINT+ (BrukerAXS, 1997)' _computing_molecular_graphics POV_RAY _computing_publication_material CHECKCIF _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997), X-SEED' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 180(2) _diffrn_measured_fraction_theta_full 0.961 _diffrn_measured_fraction_theta_max 0.961 _diffrn_measurement_device_type 'Bruker APEX X8' _diffrn_measurement_method 'scans in phi and omega' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'rotating anode' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0000 _diffrn_reflns_av_sigmaI/netI 0.0863 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_h_min -9 _diffrn_reflns_limit_k_max 17 _diffrn_reflns_limit_k_min -16 _diffrn_reflns_limit_l_max 19 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 6095 _diffrn_reflns_theta_full 28.40 _diffrn_reflns_theta_max 28.40 _diffrn_reflns_theta_min 1.51 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count 0 _diffrn_standards_interval_time 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 1.497 _exptl_absorpt_correction_T_max 0.9289 _exptl_absorpt_correction_T_min 0.8648 _exptl_absorpt_correction_type analytical _exptl_absorpt_process_details 'SADABS - Bruker- V2.05' _exptl_crystal_colour pink _exptl_crystal_density_diffrn 1.726 _exptl_crystal_density_method 'not measured' _exptl_crystal_description plate _exptl_crystal_F_000 648 _exptl_crystal_size_max 0.10 _exptl_crystal_size_mid 0.10 _exptl_crystal_size_min 0.05 _refine_diff_density_max 4.574 _refine_diff_density_min -4.423 _refine_diff_density_rms 0.289 _refine_ls_extinction_coef 0.0078(16) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method SHELXL _refine_ls_goodness_of_fit_ref 1.088 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 331 _refine_ls_number_reflns 6095 _refine_ls_number_restraints 7 _refine_ls_restrained_S_all 1.088 _refine_ls_R_factor_all 0.0988 _refine_ls_R_factor_gt 0.0766 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.1105P)^2^+16.1934P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.2065 _refine_ls_wR_factor_ref 0.2249 _reflns_number_gt 4926 _reflns_number_total 6095 _reflns_threshold_expression >2sigma(I) _cod_data_source_file c4cc01079e3.cif _cod_data_source_block 'global_1' _cod_original_cell_volume 1260.0(4) _cod_original_sg_symbol_Hall 'P -1' _cod_original_sg_symbol_H-M P-1 _cod_original_formula_sum 'C20 H20 Fe N12 Pd S2 O2' _cod_database_code 7112180 loop_ _symmetry_equiv_pos_as_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_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags _atom_site_disorder_assembly _atom_site_disorder_group Pd1 Pd -0.51874(7) 1.03738(4) 0.73127(4) 0.0136(2) Uani 1 1 d . . . Fe2 Fe 0.0000 1.0000 0.5000 0.0118(3) Uani 1 2 d S . . C2 C -0.3329(10) 1.0452(6) 0.8262(5) 0.0164(13) Uani 1 1 d . . . N4 N -0.8195(8) 1.0164(5) 0.5879(4) 0.0167(11) Uani 1 1 d . . . N2 N -0.2262(9) 1.0454(6) 0.8849(5) 0.0237(13) Uani 1 1 d . . . C4 C -0.7081(10) 1.0239(6) 0.6409(5) 0.0166(13) Uani 1 1 d . . . C3 C -0.3141(10) 1.0251(6) 0.6401(5) 0.0166(13) Uani 1 1 d . . . N3 N -0.1983(8) 1.0166(5) 0.5880(4) 0.0162(11) Uani 1 1 d . . . Fe1 Fe 0.0000 1.0000 1.0000 0.0126(3) Uani 1 2 d S . . N5 N -0.0850(11) 1.1682(6) 1.0011(5) 0.0281(15) Uani 1 1 d . . . N9 N -0.0822(9) 1.1629(5) 0.4267(4) 0.0184(12) Uani 1 1 d . . . C1 C -0.7132(10) 1.0450(6) 0.8264(5) 0.0172(13) Uani 1 1 d . . . N10 N -0.1188(10) 1.2377(5) 0.4742(5) 0.0244(14) Uani 1 1 d . . . C14 C -0.2567(12) 1.5127(7) 0.2184(6) 0.0263(16) Uani 1 1 d . . . H14 H -0.2620 1.5235 0.2796 0.032 Uiso 1 1 calc R . . N11 N -0.1659(11) 1.3310(5) 0.3157(5) 0.0282(15) Uani 1 1 d . . . C13 C -0.1686(13) 1.3366(7) 0.4057(6) 0.0278(17) Uani 1 1 d . . . H13 H -0.2024 1.4041 0.4179 0.033 Uiso 1 1 calc R . . C5 C -0.1278(14) 1.2532(7) 0.9183(6) 0.0304(18) Uani 1 1 d . . . H5 H -0.1266 1.2491 0.8543 0.037 Uiso 1 1 calc R . . C12 C -0.1106(15) 1.2203(7) 0.3314(6) 0.035(2) Uani 1 1 d . . . H12 H -0.0952 1.1897 0.2811 0.042 Uiso 1 1 calc R . . N12 N -0.2078(18) 1.4140(6) 0.2219(6) 0.056(3) Uani 1 1 d . . . N7 N -0.174(2) 1.3477(7) 0.9361(7) 0.085(5) Uani 1 1 d . . . N6 N -0.104(3) 1.2048(7) 1.0783(7) 0.105(6) Uani 1 1 d . . . N1 N -0.8186(9) 1.0454(6) 0.8850(5) 0.0226(13) Uani 1 1 d . . . C16 C -0.3593(15) 1.7174(7) 0.1222(7) 0.036(2) Uani 1 1 d . B . H16 H -0.3702 1.7379 0.1787 0.043 Uiso 1 1 calc R . . C15 C -0.3052(13) 1.6098(7) 0.1296(6) 0.0285(17) Uani 1 1 d . . . C17 C -0.3979(13) 1.7962(7) 0.0255(7) 0.0311(18) Uani 1 1 d . . . H17 H -0.3958 1.8714 0.0067 0.037 Uiso 1 1 calc R A 1 C7 C -0.2394(12) 1.4800(7) 0.7863(7) 0.0276(17) Uani 1 1 d . . . H7 H -0.2072 1.4184 0.7655 0.033 Uiso 1 1 calc R . . C18A C -0.310(3) 1.7491(16) -0.0387(15) 0.036(4) Uiso 0.50 1 d PU B 2 H18A H -0.3001 1.7903 -0.1060 0.044 Uiso 0.50 1 calc PR B 2 N8 N -0.230(3) 1.4600(8) 0.8720(7) 0.127(8) Uani 1 1 d . . . S1 S -0.3546(13) 1.7089(3) 0.7297(3) 0.154(3) Uani 1 1 d . . . C8 C -0.2952(11) 1.5896(7) 0.7101(6) 0.0252(16) Uani 1 1 d . . . C9 C -0.309(3) 1.6147(17) 0.6147(14) 0.090(5) Uiso 1 1 d . . . H9 H -0.2822 1.5591 0.5864 0.109 Uiso 1 1 calc R . . C6 C -0.157(5) 1.3121(11) 1.0374(10) 0.176(15) Uani 1 1 d . . . H6 H -0.1823 1.3606 1.0731 0.211 Uiso 1 1 calc R . . C11 C -0.3953(16) 1.7888(8) 0.6076(7) 0.041(2) Uani 1 1 d . . . H11 H -0.4357 1.8680 0.5812 0.050 Uiso 1 1 calc R . . C10 C -0.364(2) 1.7283(9) 0.5565(9) 0.070(4) Uani 1 1 d . . . H10 H -0.3776 1.7569 0.4861 0.084 Uiso 1 1 calc R . . S2B S -0.3882(8) 1.6063(4) 0.0171(3) 0.0346(10) Uani 0.50 1 d PU B 1 S2A S -0.2177(7) 1.6064(4) 0.0168(3) 0.0341(10) Uani 0.50 1 d PU B 2 C18B C -0.439(3) 1.7487(15) -0.0377(14) 0.034(4) Uiso 0.50 1 d PU B 1 H18B H -0.4909 1.7900 -0.1050 0.040 Uiso 0.50 1 calc PR B 1 O1 O -0.1214(12) 1.2430(6) 0.6642(5) 0.0480(18) Uani 1 1 d . . . O2A O -0.4945(13) 1.5909(7) 0.4050(7) 0.0131(17) Uiso 0.50 1 d P . . O2B O -0.0966(13) 1.5905(7) 0.4051(7) 0.0125(17) Uiso 0.50 1 d P . . 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 Pd1 0.0155(3) 0.0192(3) 0.0104(3) -0.0082(2) 0.00291(18) -0.0082(2) Fe2 0.0148(6) 0.0136(6) 0.0102(6) -0.0064(5) 0.0026(5) -0.0066(5) C2 0.017(3) 0.018(3) 0.012(3) -0.006(3) 0.002(3) -0.003(3) N4 0.018(3) 0.018(3) 0.015(3) -0.008(2) 0.003(2) -0.005(2) N2 0.021(3) 0.035(4) 0.016(3) -0.012(3) -0.001(2) -0.006(3) C4 0.019(3) 0.018(3) 0.014(3) -0.007(3) 0.004(3) -0.006(3) C3 0.019(3) 0.019(3) 0.015(3) -0.010(3) 0.002(3) -0.007(3) N3 0.017(3) 0.019(3) 0.015(3) -0.007(2) 0.003(2) -0.007(2) Fe1 0.0141(6) 0.0176(7) 0.0096(6) -0.0070(5) 0.0028(5) -0.0076(5) N5 0.042(4) 0.022(3) 0.021(3) -0.009(3) 0.003(3) -0.009(3) N9 0.025(3) 0.018(3) 0.015(3) -0.008(2) 0.003(2) -0.007(2) C1 0.017(3) 0.022(3) 0.019(3) -0.011(3) 0.004(3) -0.011(3) N10 0.038(4) 0.015(3) 0.020(3) -0.008(3) 0.004(3) -0.005(3) C14 0.032(4) 0.023(4) 0.025(4) -0.009(3) 0.001(3) -0.009(3) N11 0.049(4) 0.016(3) 0.016(3) -0.005(3) 0.000(3) -0.006(3) C13 0.045(5) 0.019(4) 0.020(4) -0.010(3) 0.004(3) -0.007(3) C5 0.051(5) 0.021(4) 0.018(4) -0.008(3) 0.001(3) -0.008(4) C12 0.070(6) 0.016(4) 0.013(4) -0.005(3) 0.001(4) -0.004(4) N12 0.126(9) 0.015(3) 0.017(4) -0.003(3) 0.001(5) -0.008(4) N7 0.205(15) 0.019(4) 0.021(4) -0.010(3) 0.005(6) -0.009(6) N6 0.259(19) 0.019(4) 0.016(4) -0.009(3) -0.002(7) -0.004(7) N1 0.025(3) 0.029(3) 0.018(3) -0.010(3) 0.008(3) -0.013(3) C16 0.058(6) 0.022(4) 0.025(4) -0.008(3) 0.001(4) -0.008(4) C15 0.041(5) 0.017(4) 0.023(4) -0.004(3) 0.001(3) -0.007(3) C17 0.043(5) 0.017(3) 0.027(4) -0.003(3) -0.001(4) -0.006(3) C7 0.027(4) 0.023(4) 0.033(4) -0.011(3) 0.002(3) -0.007(3) N8 0.32(2) 0.020(4) 0.022(5) -0.008(4) 0.007(9) -0.012(8) S1 0.377(10) 0.0227(14) 0.0305(16) -0.0118(13) 0.000(3) -0.005(3) C8 0.024(4) 0.022(4) 0.029(4) -0.008(3) 0.003(3) -0.007(3) C6 0.44(4) 0.024(6) 0.023(6) -0.010(5) -0.002(13) -0.004(13) C11 0.060(6) 0.023(4) 0.031(5) -0.003(4) -0.002(4) -0.007(4) C10 0.149(14) 0.022(5) 0.029(5) -0.007(4) 0.008(7) -0.009(6) S2B 0.056(3) 0.0227(19) 0.025(2) -0.0101(17) 0.0012(19) -0.0102(19) S2A 0.052(3) 0.0223(19) 0.025(2) -0.0091(16) 0.0076(19) -0.0058(18) O1 0.079(5) 0.038(4) 0.028(4) -0.017(3) 0.007(3) -0.012(4) 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' O O 0.0106 0.0060 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' S S 0.1246 0.1234 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Fe Fe 0.3463 0.8444 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Pd Pd -0.9988 1.0072 '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 C2 Pd1 C1 88.2(3) . . C2 Pd1 C4 177.4(3) . . C1 Pd1 C4 90.2(3) . . C2 Pd1 C3 90.0(3) . . C1 Pd1 C3 177.5(3) . . C4 Pd1 C3 91.5(3) . . N4 Fe2 N4 180.0(3) 1_655 2_476 N4 Fe2 N3 90.0(2) 1_655 . N4 Fe2 N3 90.0(2) 2_476 . N4 Fe2 N3 90.0(2) 1_655 2_576 N4 Fe2 N3 90.0(2) 2_476 2_576 N3 Fe2 N3 179.999(1) . 2_576 N4 Fe2 N9 89.8(3) 1_655 2_576 N4 Fe2 N9 90.2(3) 2_476 2_576 N3 Fe2 N9 90.1(2) . 2_576 N3 Fe2 N9 89.9(2) 2_576 2_576 N4 Fe2 N9 90.2(3) 1_655 . N4 Fe2 N9 89.8(3) 2_476 . N3 Fe2 N9 89.9(2) . . N3 Fe2 N9 90.1(2) 2_576 . N9 Fe2 N9 180.000(2) 2_576 . N2 C2 Pd1 176.8(6) . . C4 N4 Fe2 178.4(6) . 1_455 C2 N2 Fe1 164.8(6) . . N4 C4 Pd1 179.7(6) . . N3 C3 Pd1 178.8(6) . . C3 N3 Fe2 179.3(6) . . N2 Fe1 N2 180.000(4) . 2_577 N2 Fe1 N1 93.0(3) . 2_477 N2 Fe1 N1 87.0(3) 2_577 2_477 N2 Fe1 N1 87.0(3) . 1_655 N2 Fe1 N1 93.0(3) 2_577 1_655 N1 Fe1 N1 179.998(3) 2_477 1_655 N2 Fe1 N5 89.0(3) . 2_577 N2 Fe1 N5 91.0(3) 2_577 2_577 N1 Fe1 N5 91.3(3) 2_477 2_577 N1 Fe1 N5 88.7(3) 1_655 2_577 N2 Fe1 N5 91.0(3) . . N2 Fe1 N5 89.0(3) 2_577 . N1 Fe1 N5 88.7(3) 2_477 . N1 Fe1 N5 91.3(3) 1_655 . N5 Fe1 N5 179.999(3) 2_577 . C5 N5 N6 109.3(7) . . C5 N5 Fe1 119.9(6) . . N6 N5 Fe1 130.8(6) . . C12 N9 N10 107.6(6) . . C12 N9 Fe2 130.2(5) . . N10 N9 Fe2 122.2(5) . . N1 C1 Pd1 176.5(7) . . C13 N10 N9 106.8(6) . . N12 C14 C15 125.1(8) . . N12 C14 H14 117.5 . . C15 C14 H14 117.5 . . C13 N11 C12 105.7(7) . . C13 N11 N12 131.3(7) . . C12 N11 N12 123.0(7) . . N10 C13 N11 110.8(7) . . N10 C13 H13 124.6 . . N11 C13 H13 124.6 . . N5 C5 N7 109.9(8) . . N5 C5 H5 125.0 . . N7 C5 H5 125.0 . . N9 C12 N11 109.0(7) . . N9 C12 H12 125.5 . . N11 C12 H12 125.5 . . C14 N12 N11 116.2(8) . . C5 N7 C6 103.9(9) . . C5 N7 N8 131.6(9) . . C6 N7 N8 124.5(9) . . C6 N6 N5 105.0(9) . . C1 N1 Fe1 164.6(6) . 1_455 C15 C16 C17 115.1(8) . . C15 C16 H16 122.4 . . C17 C16 H16 122.4 . . C16 C15 C14 127.2(8) . . C16 C15 S2B 107.7(7) . . C14 C15 S2B 121.5(6) . . C16 C15 S2A 107.7(7) . . C14 C15 S2A 121.5(6) . . S2B C15 S2A 40.9(3) . . C18B C17 C18A 40.2(10) . . C18B C17 C16 109.5(11) . . C18A C17 C16 110.1(11) . . C18B C17 H17 125.2 . . C18A C17 H17 111.3 . . C16 C17 H17 125.2 . . N8 C7 C8 125.7(9) . . N8 C7 H7 117.1 . . C8 C7 H7 117.1 . . C17 C18A S2A 112.2(13) . . C17 C18A H18A 123.9 . . S2A C18A H18A 123.9 . . C7 N8 N7 118.1(10) . . C8 S1 C11 93.6(5) . . C9 C8 C7 127.3(11) . . C9 C8 S1 107.5(10) . . C7 C8 S1 125.2(7) . . C8 C9 C10 115.9(16) . . C8 C9 H9 122.0 . . C10 C9 H9 122.0 . . N6 C6 N7 111.8(11) . . N6 C6 H6 124.1 . . N7 C6 H6 124.1 . . C10 C11 S1 110.4(8) . . C10 C11 H11 124.8 . . S1 C11 H11 124.8 . . C11 C10 C9 112.6(13) . . C11 C10 H10 123.7 . . C9 C10 H10 123.7 . . C18B S2B C15 90.6(7) . . C18A S2A C15 90.9(7) . . C17 C18B S2B 112.8(13) . . C17 C18B H18B 123.6 . . S2B C18B H18B 123.6 . . loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 Pd1 C2 1.974(7) . Pd1 C1 1.981(7) . Pd1 C4 1.983(7) . Pd1 C3 2.000(7) . Fe2 N4 1.933(6) 1_655 Fe2 N4 1.933(6) 2_476 Fe2 N3 1.943(6) . Fe2 N3 1.943(6) 2_576 Fe2 N9 1.975(6) 2_576 Fe2 N9 1.975(6) . C2 N2 1.151(10) . N4 C4 1.162(10) . N4 Fe2 1.933(6) 1_455 N2 Fe1 2.140(6) . C3 N3 1.139(10) . Fe1 N2 2.140(6) 2_577 Fe1 N1 2.142(6) 2_477 Fe1 N1 2.142(6) 1_655 Fe1 N5 2.177(7) 2_577 Fe1 N5 2.177(7) . N5 C5 1.294(11) . N5 N6 1.370(11) . N9 C12 1.306(10) . N9 N10 1.379(8) . C1 N1 1.143(10) . N10 C13 1.296(10) . C14 N12 1.256(11) . C14 C15 1.428(11) . C14 H14 0.9500 . N11 C13 1.336(10) . N11 C12 1.361(10) . N11 N12 1.387(10) . C13 H13 0.9500 . C5 N7 1.337(11) . C5 H5 0.9500 . C12 H12 0.9500 . N7 C6 1.370(15) . N7 N8 1.403(13) . N6 C6 1.289(16) . N1 Fe1 2.142(6) 1_455 C16 C15 1.353(11) . C16 C17 1.397(12) . C16 H16 0.9500 . C15 S2B 1.762(10) . C15 S2A 1.768(10) . C17 C18B 1.36(2) . C17 C18A 1.37(2) . C17 H17 0.9500 . C7 N8 1.175(13) . C7 C8 1.438(11) . C7 H7 0.9500 . C18A S2A 1.72(2) . C18A H18A 0.9500 . S1 C8 1.667(9) . S1 C11 1.691(10) . C8 C9 1.30(2) . C9 C10 1.40(2) . C9 H9 0.9500 . C6 H6 0.9500 . C11 C10 1.261(15) . C11 H11 0.9500 . C10 H10 0.9500 . S2B C18B 1.718(19) . C18B H18B 0.9500 .