#------------------------------------------------------------------------------ #$Date: 2014-07-12 07:06:18 +0300 (Sat, 12 Jul 2014) $ #$Revision: 120112 $ #$URL: file:///home/coder/svn-repositories/cod/cif/7/20/17/7201752.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_7201752 loop_ _publ_author_name 'Wei, Peng' 'Duan, Lian' 'Zhang, Deqiang' 'Qiao, Juan' 'Wang, Liduo' 'Wang, Ruji' 'Dong, Guifang' 'Qiu, Yong' _publ_section_title ; A new type of light-emitting naphtho[2,3-c][1,2,5]thiadiazole derivatives: synthesis, photophysical characterization and transporting properties ; _journal_issue 7 _journal_name_full 'Journal of Materials Chemistry' _journal_page_first 806 _journal_volume 18 _journal_year 2008 _chemical_formula_moiety 'C50 H34 N2 S' _chemical_formula_sum 'C50 H34 N2 S' _chemical_formula_weight 694.85 _chemical_name_systematic ; ? ; _space_group_IT_number 2 _symmetry_cell_setting triclinic _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_method SHELXL-97 _cell_angle_alpha 100.69(2) _cell_angle_beta 95.305(19) _cell_angle_gamma 91.741(15) _cell_formula_units_Z 1 _cell_length_a 6.0191(11) _cell_length_b 9.059(2) _cell_length_c 17.191(6) _cell_measurement_reflns_used 43 _cell_measurement_temperature 295(2) _cell_measurement_theta_max 12.39 _cell_measurement_theta_min 4.43 _cell_volume 916.1(4) _computing_cell_refinement 'XSCANS (Bruker, 1997)' _computing_data_collection 'XSCANS (Bruker, 1997)' _computing_data_reduction 'XSCANS (Bruker, 1997)' _computing_molecular_graphics 'SHELXTL (Bruker, 1997)' _computing_publication_material 'SHELXTL (Bruker, 1997)' _computing_structure_refinement 'SHELXTL (Bruker, 1997)' _computing_structure_solution 'SHELXTL (Bruker, 1997)' _diffrn_ambient_temperature 295(2) _diffrn_measured_fraction_theta_full 0.996 _diffrn_measured_fraction_theta_max 0.996 _diffrn_measurement_device_type 'Bruker 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 0.0554 _diffrn_reflns_av_sigmaI/netI 0.1218 _diffrn_reflns_limit_h_max 7 _diffrn_reflns_limit_h_min -1 _diffrn_reflns_limit_k_max 10 _diffrn_reflns_limit_k_min -10 _diffrn_reflns_limit_l_max 20 _diffrn_reflns_limit_l_min -20 _diffrn_reflns_number 4199 _diffrn_reflns_theta_full 25.00 _diffrn_reflns_theta_max 25.00 _diffrn_reflns_theta_min 2.29 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count 97 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.127 _exptl_absorpt_correction_type none _exptl_crystal_colour orange _exptl_crystal_density_diffrn 1.259 _exptl_crystal_density_meas none _exptl_crystal_density_method 'not measured' _exptl_crystal_description prism _exptl_crystal_F_000 364 _exptl_crystal_size_max 0.4 _exptl_crystal_size_mid 0.3 _exptl_crystal_size_min 0.2 _refine_diff_density_max 0.214 _refine_diff_density_min -0.218 _refine_diff_density_rms 0.057 _refine_ls_extinction_coef 0.0311(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 1.069 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 309 _refine_ls_number_reflns 3211 _refine_ls_number_restraints 40 _refine_ls_restrained_S_all 1.069 _refine_ls_R_factor_all 0.2145 _refine_ls_R_factor_gt 0.1114 _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^)+(0.0010P)^2^+2.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.2111 _refine_ls_wR_factor_ref 0.2355 _reflns_number_gt 1256 _reflns_number_total 3211 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file b714539j.txt _[local]_cod_data_source_block weip-2 _[local]_cod_cif_authors_sg_H-M P-1 _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic' 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 ; _cod_database_code 7201752 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 S1 S 1.0047(5) 0.6501(3) 0.60819(17) 0.0931(10) Uani 0.50 1 d PD A 1 N1 N 0.8362(9) 0.5124(6) 0.6211(3) 0.078(3) Uani 0.50 1 d PD A 1 N2 N 0.8661(9) 0.6956(7) 0.5293(3) 0.113(3) Uani 0.50 1 d PD A 1 C2' C 0.6725(6) 0.6094(4) 0.5128(2) 0.0733(14) Uani 0.50 1 d P A 1 C3' C 0.6646(6) 0.4976(4) 0.5617(2) 0.0702(13) Uani 0.50 1 d P . 1 C1 C 0.5115(7) 0.6160(4) 0.4514(2) 0.0672(13) Uani 1 1 d . . . C2 C 0.6725(6) 0.6094(4) 0.5128(2) 0.0733(14) Uani 0.50 1 d PD A 2 C3 C 0.6646(6) 0.4976(4) 0.5617(2) 0.0702(13) Uani 0.50 1 d PD . 2 C4 C 0.8493(10) 0.5002(8) 0.6183(5) 0.094(4) Uani 0.50 1 d PD A 2 H4A H 0.8741 0.4082 0.6372 0.112 Uiso 0.50 1 d PR A 2 C5 C 1.0111(15) 0.6163(7) 0.6399(4) 0.111(5) Uani 0.50 1 d PD A 2 H5A H 1.0915 0.6305 0.6918 0.133 Uiso 0.50 1 d PR A 2 C6 C 1.0273(13) 0.7176(9) 0.5888(4) 0.123(5) Uani 0.50 1 d PD A 2 H6A H 1.1487 0.7920 0.6005 0.147 Uiso 0.50 1 d PR A 2 C7 C 0.8512(9) 0.7176(7) 0.5308(5) 0.064(3) Uani 0.50 1 d PD A 2 H7A H 0.8733 0.7842 0.4945 0.077 Uiso 0.50 1 d PR A 2 C8 C 0.5119(6) 0.7320(4) 0.4024(2) 0.0760(14) Uani 0.50 1 d PD A 3 C9 C 0.3404(11) 0.8316(6) 0.4016(4) 0.075(3) Uani 0.50 1 d PD A 3 H9A H 0.2104 0.8162 0.4281 0.090 Uiso 0.50 1 d PR A 3 C10 C 0.3613(10) 0.9510(6) 0.3629(4) 0.069(3) Uani 0.50 1 d PD A 3 H10A H 0.2514 1.0258 0.3685 0.083 Uiso 0.50 1 d PR A 3 C11 C 0.5330(6) 0.9682(4) 0.3155(2) 0.0704(13) Uani 0.50 1 d PD A 3 C12 C 0.6947(12) 0.8630(6) 0.3145(5) 0.117(4) Uani 0.50 1 d PD A 3 H12A H 0.8143 0.8702 0.2819 0.140 Uiso 0.50 1 d PR A 3 C13 C 0.6835(11) 0.7451(7) 0.3551(4) 0.082(3) Uani 0.50 1 d PD A 3 H13A H 0.7887 0.6671 0.3495 0.098 Uiso 0.50 1 d PR A 3 C8' C 0.5119(6) 0.7320(4) 0.4024(2) 0.0760(14) Uani 0.50 1 d PD A 4 C9' C 0.4609(17) 0.8789(5) 0.4349(4) 0.101(4) Uani 0.50 1 d PD A 4 H9'A H 0.4039 0.8965 0.4860 0.121 Uiso 0.50 1 d PR A 4 C10' C 0.4784(18) 0.9961(8) 0.3941(3) 0.113(4) Uani 0.50 1 d PD A 4 H10B H 0.4641 1.0986 0.4195 0.136 Uiso 0.50 1 d PR A 4 C11' C 0.5330(6) 0.9682(4) 0.3155(2) 0.0704(13) Uani 0.50 1 d PD A 4 C12' C 0.6091(14) 0.8273(5) 0.2884(4) 0.071(3) Uani 0.50 1 d PD A 4 H12B H 0.6711 0.8085 0.2382 0.085 Uiso 0.50 1 d PR A 4 C13' C 0.5945(13) 0.7096(6) 0.3287(3) 0.061(3) Uani 0.50 1 d PD A 4 H13B H 0.6429 0.6128 0.3053 0.073 Uiso 0.50 1 d PR A 4 C14 C 0.5336(7) 1.0995(4) 0.2755(2) 0.0642(12) Uani 1 1 d . . . H14A H 0.4683 1.1834 0.3022 0.077 Uiso 1 1 calc R A 3 C15 C 0.6117(6) 1.1174(4) 0.2078(2) 0.0608(12) Uani 1 1 d . A . C16 C 0.5689(7) 1.2636(4) 0.1780(2) 0.0604(12) Uani 1 1 d . . . C17 C 0.3787(8) 1.3389(5) 0.1909(3) 0.0836(15) Uani 1 1 d . A . H17A H 0.2696 1.2987 0.2169 0.100 Uiso 1 1 calc R . . C18 C 0.3443(8) 1.4758(5) 0.1656(3) 0.0960(16) Uani 1 1 d . . . H18A H 0.2207 1.5306 0.1788 0.115 Uiso 1 1 calc R A . C19 C 0.4936(9) 1.5263(5) 0.1217(3) 0.1014(18) Uani 1 1 d . A . H19A H 0.4672 1.6129 0.1012 0.122 Uiso 1 1 calc R . . C20 C 0.6831(8) 1.4515(5) 0.1072(3) 0.0924(16) Uani 1 1 d . . . H20A H 0.7869 1.4904 0.0785 0.111 Uiso 1 1 calc R A . C21 C 0.7246(8) 1.3199(4) 0.1338(3) 0.0799(14) Uani 1 1 d . A . H21A H 0.8534 1.2693 0.1226 0.096 Uiso 1 1 calc R . . C22 C 0.7473(7) 1.0118(4) 0.1585(2) 0.0616(12) Uani 1 1 d . . . C23 C 0.6614(7) 0.9385(4) 0.0846(3) 0.0776(14) Uani 1 1 d . A . H23A H 0.5166 0.9569 0.0661 0.093 Uiso 1 1 calc R . . C24 C 0.7819(8) 0.8378(5) 0.0361(3) 0.0885(17) Uani 1 1 d . . . H24A H 0.7201 0.7905 -0.0143 0.106 Uiso 1 1 calc R A . C25 C 0.9945(9) 0.8095(5) 0.0641(3) 0.0968(17) Uani 1 1 d . A . H25A H 1.0775 0.7416 0.0327 0.116 Uiso 1 1 calc R . . C26 C 1.0861(8) 0.8819(6) 0.1392(3) 0.104(2) Uani 1 1 d . . . H26A H 1.2299 0.8618 0.1578 0.125 Uiso 1 1 calc R A . C27 C 0.9654(7) 0.9833(5) 0.1863(3) 0.0727(14) Uani 1 1 d . A . H27A H 1.0282 1.0325 0.2361 0.087 Uiso 1 1 calc R . . 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 S1 0.0760(17) 0.1013(19) 0.0965(19) 0.0052(16) 0.0068(15) 0.0043(15) N1 0.134(6) 0.068(4) 0.039(3) 0.012(3) 0.038(4) 0.034(4) N2 0.164(6) 0.097(5) 0.113(5) 0.060(4) 0.094(5) 0.071(5) C2' 0.084(3) 0.059(2) 0.084(3) 0.026(2) 0.021(2) 0.010(2) C3' 0.091(3) 0.071(2) 0.056(2) 0.0282(19) 0.009(2) 0.019(2) C1 0.080(3) 0.059(2) 0.071(2) 0.0260(19) 0.022(2) 0.012(2) C2 0.084(3) 0.059(2) 0.084(3) 0.026(2) 0.021(2) 0.010(2) C3 0.091(3) 0.071(2) 0.056(2) 0.0282(19) 0.009(2) 0.019(2) C4 0.051(6) 0.066(6) 0.163(11) 0.035(7) -0.026(7) 0.011(5) C5 0.144(10) 0.115(9) 0.066(7) -0.004(6) 0.026(7) -0.043(8) C6 0.131(10) 0.134(10) 0.113(9) 0.026(8) 0.050(8) 0.028(8) C7 0.045(5) 0.035(4) 0.108(8) 0.013(5) -0.009(5) -0.007(4) C8 0.090(3) 0.066(2) 0.084(3) 0.032(2) 0.025(2) 0.034(2) C9 0.072(5) 0.084(5) 0.084(5) 0.042(4) 0.031(5) 0.004(5) C10 0.086(5) 0.048(4) 0.086(5) 0.028(4) 0.040(4) 0.032(4) C11 0.091(3) 0.058(2) 0.072(2) 0.0252(19) 0.020(2) 0.024(2) C12 0.127(7) 0.100(6) 0.161(8) 0.080(5) 0.091(6) 0.039(6) C13 0.099(7) 0.057(5) 0.094(6) 0.029(5) 0.001(6) 0.006(5) C8' 0.090(3) 0.066(2) 0.084(3) 0.032(2) 0.025(2) 0.034(2) C9' 0.157(9) 0.062(5) 0.100(6) 0.032(5) 0.059(6) 0.023(6) C10' 0.183(11) 0.075(6) 0.089(7) 0.016(6) 0.046(8) 0.026(7) C11' 0.091(3) 0.058(2) 0.072(2) 0.0252(19) 0.020(2) 0.024(2) C12' 0.109(7) 0.066(5) 0.049(4) 0.030(4) 0.024(5) 0.020(5) C13' 0.090(6) 0.026(4) 0.064(5) 0.008(4) 0.005(5) -0.005(4) C14 0.069(3) 0.055(2) 0.073(3) 0.0217(19) 0.010(2) 0.011(2) C15 0.059(2) 0.056(2) 0.071(2) 0.0215(19) 0.006(2) 0.003(2) C16 0.065(3) 0.046(2) 0.073(2) 0.0180(18) 0.006(2) 0.0128(19) C17 0.087(3) 0.065(2) 0.108(3) 0.034(2) 0.022(3) 0.007(2) C18 0.106(3) 0.078(3) 0.122(4) 0.041(3) 0.052(3) 0.037(3) C19 0.126(4) 0.078(3) 0.116(4) 0.046(3) 0.026(3) 0.025(3) C20 0.097(3) 0.083(3) 0.115(3) 0.051(2) 0.039(3) 0.013(3) C21 0.082(3) 0.068(2) 0.104(3) 0.044(2) 0.026(3) 0.012(2) C22 0.066(3) 0.058(2) 0.068(2) 0.0245(19) 0.016(2) 0.006(2) C23 0.073(3) 0.081(3) 0.091(3) 0.042(2) 0.018(2) 0.015(2) C24 0.090(3) 0.092(3) 0.086(3) 0.023(3) 0.009(3) 0.008(3) C25 0.114(4) 0.078(3) 0.106(4) 0.019(3) 0.044(3) 0.015(3) C26 0.080(3) 0.123(4) 0.115(4) 0.029(3) 0.025(3) 0.019(3) C27 0.067(3) 0.074(3) 0.076(3) 0.014(2) 0.005(2) -0.001(2) 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' S S 0.1246 0.1234 '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 _geom_angle_publ_flag N1 S1 N2 99.1(3) . . ? C3 N1 S1 106.5(4) . . ? C2 N2 S1 107.8(4) . . ? N2 C2 C1 124.9(4) . . ? C1 C2 C7 119.8(4) . . ? N2 C2 C3 112.0(4) . . ? C1 C2 C3 122.8(3) . . ? C7 C2 C3 117.4(4) . . ? N1 C3 C1 124.4(4) . 2_666 ? C4 C3 C1 122.6(4) . 2_666 ? N1 C3 C2 114.1(4) . . ? C4 C3 C2 115.7(4) . . ? C1 C3 C2 121.5(3) 2_666 . ? C2 C1 C3 115.7(3) . 2_666 ? C2 C1 C8 123.8(4) . . ? C3 C1 C8 120.5(4) 2_666 . ? C5 C4 C3 124.9(7) . . ? C5 C4 H4A 118.4 . . ? C3 C4 H4A 116.1 . . ? C4 C5 C6 117.5(7) . . ? C4 C5 H5A 118.7 . . ? C6 C5 H5A 123.3 . . ? C7 C6 C5 117.6(7) . . ? C7 C6 H6A 123.9 . . ? C5 C6 H6A 117.9 . . ? C6 C7 C2 124.6(7) . . ? C6 C7 H7A 115.0 . . ? C2 C7 H7A 119.0 . . ? C13 C8 C9 118.2(5) . . ? C13' C8 C9' 117.0(5) . . ? C13' C8 C1 122.6(4) . . ? C13 C8 C1 120.7(4) . . ? C9 C8 C1 121.1(4) . . ? C9' C8 C1 119.6(4) . . ? C10 C9 C8 119.2(6) . . ? C10 C9 H9A 121.3 . . ? C8 C9 H9A 119.5 . . ? C9 C10 C11 123.5(5) . . ? C9 C10 H10A 118.3 . . ? C11 C10 H10A 118.2 . . ? C12 C11 C10 115.4(5) . . ? C12' C11 C10' 116.1(5) . . ? C12 C11 C14 126.3(4) . . ? C12' C11 C14 127.4(4) . . ? C10 C11 C14 118.2(4) . . ? C10' C11 C14 115.9(4) . . ? C11 C12 C13 122.5(6) . . ? C11 C12 H12A 117.8 . . ? C13 C12 H12A 119.6 . . ? C12 C13 C8 120.6(6) . . ? C12 C13 H13A 121.5 . . ? C8 C13 H13A 117.8 . . ? C10' C9' C8 122.2(6) . . ? C10' C9' H9'A 119.6 . . ? C8 C9' H9'A 118.1 . . ? C9' C10' C11 120.1(6) . . ? C9' C10' H10B 121.6 . . ? C11 C10' H10B 118.1 . . ? C13' C12' C11 123.3(6) . . ? C13' C12' H12B 117.7 . . ? C11 C12' H12B 118.9 . . ? C12' C13' C8 120.0(5) . . ? C12' C13' H13B 119.4 . . ? C8 C13' H13B 120.6 . . ? C15 C14 C11 130.8(4) . . ? C15 C14 H14A 114.6 . . ? C11 C14 H14A 114.6 . . ? C14 C15 C22 126.5(4) . . ? C14 C15 C16 118.5(3) . . ? C22 C15 C16 115.0(3) . . ? C17 C16 C21 118.7(4) . . ? C17 C16 C15 121.8(4) . . ? C21 C16 C15 119.4(4) . . ? C16 C17 C18 121.4(4) . . ? C16 C17 H17A 119.3 . . ? C18 C17 H17A 119.3 . . ? C19 C18 C17 118.8(5) . . ? C19 C18 H18A 120.6 . . ? C17 C18 H18A 120.6 . . ? C18 C19 C20 120.5(5) . . ? C18 C19 H19A 119.7 . . ? C20 C19 H19A 119.7 . . ? C19 C20 C21 121.6(5) . . ? C19 C20 H20A 119.2 . . ? C21 C20 H20A 119.2 . . ? C20 C21 C16 118.7(4) . . ? C20 C21 H21A 120.6 . . ? C16 C21 H21A 120.6 . . ? C23 C22 C27 118.6(4) . . ? C23 C22 C15 120.3(4) . . ? C27 C22 C15 121.1(3) . . ? C22 C23 C24 122.5(4) . . ? C22 C23 H23A 118.7 . . ? C24 C23 H23A 118.7 . . ? C25 C24 C23 118.5(4) . . ? C25 C24 H24A 120.7 . . ? C23 C24 H24A 120.7 . . ? C24 C25 C26 120.3(5) . . ? C24 C25 H25A 119.9 . . ? C26 C25 H25A 119.9 . . ? C27 C26 C25 120.5(5) . . ? C27 C26 H26A 119.7 . . ? C25 C26 H26A 119.7 . . ? C26 C27 C22 119.6(4) . . ? C26 C27 H27A 120.2 . . ? C22 C27 H27A 120.2 . . ? 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 S1 N1 1.643(6) . ? S1 N2 1.650(6) . ? N1 C3 1.369(6) . ? N2 C2 1.360(6) . ? C2 C1 1.377(5) . ? C2 C7 1.405(6) . ? C2 C3 1.432(5) . ? C3 C4 1.406(6) . ? C3 C1 1.428(5) 2_666 ? C1 C3 1.428(5) 2_666 ? C1 C8 1.464(5) . ? C4 C5 1.385(7) . ? C4 H4A 0.9600 . ? C5 C6 1.389(8) . ? C5 H5A 0.9601 . ? C6 C7 1.386(7) . ? C6 H6A 0.9600 . ? C7 H7A 0.9599 . ? C8 C13' 1.386(6) . ? C8 C13 1.388(7) . ? C8 C9 1.392(6) . ? C8 C9' 1.400(6) . ? C9 C10 1.379(7) . ? C9 H9A 0.9600 . ? C10 C11 1.397(6) . ? C10 H10A 0.9600 . ? C11 C12 1.382(6) . ? C11 C12' 1.382(6) . ? C11 C10' 1.399(6) . ? C11 C14 1.480(5) . ? C12 C13 1.383(7) . ? C12 H12A 0.9601 . ? C13 H13A 0.9600 . ? C9' C10' 1.383(7) . ? C9' H9'A 0.9602 . ? C10' H10B 0.9600 . ? C12' C13' 1.381(7) . ? C12' H12B 0.9600 . ? C13' H13B 0.9600 . ? C14 C15 1.331(6) . ? C14 H14A 0.9300 . ? C15 C22 1.474(5) . ? C15 C16 1.526(5) . ? C16 C17 1.365(6) . ? C16 C21 1.401(6) . ? C17 C18 1.403(6) . ? C17 H17A 0.9300 . ? C18 C19 1.346(7) . ? C18 H18A 0.9300 . ? C19 C20 1.364(7) . ? C19 H19A 0.9300 . ? C20 C21 1.375(6) . ? C20 H20A 0.9300 . ? C21 H21A 0.9300 . ? C22 C23 1.366(5) . ? C22 C27 1.403(6) . ? C23 C24 1.387(6) . ? C23 H23A 0.9300 . ? C24 C25 1.374(7) . ? C24 H24A 0.9300 . ? C25 C26 1.391(7) . ? C25 H25A 0.9300 . ? C26 C27 1.378(6) . ? C26 H26A 0.9300 . ? C27 H27A 0.9300 . ? _journal_paper_doi 10.1039/b714539j