#------------------------------------------------------------------------------ #$Date: 2016-03-26 03:42:01 +0200 (Sat, 26 Mar 2016) $ #$Revision: 180192 $ #$URL: file:///home/coder/svn-repositories/cod/cif/7/10/88/7108862.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_7108862 loop_ _publ_author_name 'Mu-Wang Chen' 'Liang-Liang Cao' 'Zhi-Shi Ye' 'Guo-Fang Jiang' 'Yong-Gui Zhou' _publ_section_title ; A mild method for generation of o-quinone methides under basic conditions. The facile synthesis of trans-2,3-dihydrobenzofurans ; _journal_issue 16 _journal_name_full 'Chemical communications (Cambridge, England)' _journal_page_first 1660 _journal_page_last 1662 _journal_paper_doi 10.1039/c3cc37800d _journal_volume 49 _journal_year 2013 _chemical_formula_sum 'C17 H16 O3' _chemical_formula_weight 268.30 _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' _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 97.935(2) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 9.7194(11) _cell_length_b 8.3104(10) _cell_length_c 17.6639(19) _cell_measurement_reflns_used 2152 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 49.800 _cell_measurement_theta_min 4.657 _cell_volume 1413.1(3) _computing_cell_refinement 'Bruker SMART' _computing_data_collection 'Bruker SMART' _computing_data_reduction 'Bruker SHELXTL' _computing_molecular_graphics 'Bruker SHELXTL' _computing_publication_material 'Bruker SHELXTL' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _diffrn_ambient_temperature 293(2) _diffrn_measured_fraction_theta_full 0.999 _diffrn_measured_fraction_theta_max 0.999 _diffrn_measurement_device_type 'CCD area detector' _diffrn_measurement_method 'phi and omega 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 0.0223 _diffrn_reflns_av_sigmaI/netI 0.0263 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_k_max 9 _diffrn_reflns_limit_k_min -10 _diffrn_reflns_limit_l_max 21 _diffrn_reflns_limit_l_min -20 _diffrn_reflns_number 8256 _diffrn_reflns_theta_full 25.99 _diffrn_reflns_theta_max 25.99 _diffrn_reflns_theta_min 2.33 _exptl_absorpt_coefficient_mu 0.086 _exptl_absorpt_correction_T_max 1.00000 _exptl_absorpt_correction_T_min 0.59954 _exptl_absorpt_correction_type empirical _exptl_absorpt_process_details sadabs _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.261 _exptl_crystal_density_method 'not measured' _exptl_crystal_description prismatic _exptl_crystal_F_000 568 _exptl_crystal_size_max 0.321 _exptl_crystal_size_mid 0.257 _exptl_crystal_size_min 0.176 _refine_diff_density_max 0.293 _refine_diff_density_min -0.224 _refine_diff_density_rms 0.034 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.017 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 201 _refine_ls_number_reflns 2771 _refine_ls_number_restraints 40 _refine_ls_restrained_S_all 1.042 _refine_ls_R_factor_all 0.0711 _refine_ls_R_factor_gt 0.0515 _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^)+(0.0695P)^2^+0.3241P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1346 _refine_ls_wR_factor_ref 0.1509 _reflns_number_gt 1966 _reflns_number_total 2771 _reflns_threshold_expression >2sigma(I) _cod_data_source_file c3cc37800d.txt _cod_data_source_block cd212150 _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to /usr/data/users/saulius/automatic-downloads/retrospective/RSC/lib/dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26. Automatic conversion script Id: cif_fix_values 2281 2013-09-26 08:29:07Z andrius ; _cod_original_sg_symbol_H-M P2(1)/n _cod_database_code 7108862 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_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 O1 O 0.51059(13) 0.5945(2) 0.08084(7) 0.0739(5) Uani 1 1 d . A . O2 O 0.41870(15) 0.8102(3) -0.02815(10) 0.1082(7) Uani 1 1 d . . . O3 O 0.61920(15) 0.8013(3) -0.07416(9) 0.0931(6) Uani 1 1 d D . . C1 C 0.55282(18) 0.6242(3) 0.15671(10) 0.0592(5) Uani 1 1 d . . . C2 C 0.48436(19) 0.5680(3) 0.21428(12) 0.0729(6) Uani 1 1 d . . . H2 H 0.4039 0.5066 0.2040 0.087 Uiso 1 1 calc R . . C3 C 0.5404(2) 0.6067(3) 0.28814(12) 0.0784(7) Uani 1 1 d . . . H3 H 0.4971 0.5705 0.3287 0.094 Uiso 1 1 calc R . . C4 C 0.6589(2) 0.6978(3) 0.30266(11) 0.0766(6) Uani 1 1 d . . . H4 H 0.6955 0.7212 0.3529 0.092 Uiso 1 1 calc R . . C5 C 0.7246(2) 0.7549(3) 0.24360(11) 0.0656(6) Uani 1 1 d . . . H5 H 0.8041 0.8179 0.2537 0.079 Uiso 1 1 calc R . . C6 C 0.67076(17) 0.7172(2) 0.16949(10) 0.0523(4) Uani 1 1 d . . . C7 C 0.71829(16) 0.7594(2) 0.09446(10) 0.0521(4) Uani 1 1 d . A . H7 H 0.7041 0.8748 0.0848 0.063 Uiso 1 1 calc R . . C8 C 0.61124(17) 0.6625(3) 0.03785(10) 0.0600(5) Uani 1 1 d . . . H8 H 0.6596 0.5756 0.0149 0.072 Uiso 1 1 calc R A . C9 C 0.53561(19) 0.7654(3) -0.02452(11) 0.0723(6) Uani 1 1 d . A . C10 C 0.5658(10) 0.9409(11) -0.1273(4) 0.081(2) Uani 0.50 1 d PDU A 1 H10A H 0.4735 0.9191 -0.1538 0.097 Uiso 0.50 1 calc PR A 1 H10B H 0.5645 1.0413 -0.0993 0.097 Uiso 0.50 1 calc PR A 1 C11 C 0.6709(11) 0.9447(13) -0.1811(5) 0.114(3) Uani 0.55 1 d PDU A 1 H11A H 0.7584 0.9806 -0.1545 0.171 Uiso 0.55 1 calc PR A 1 H11B H 0.6407 1.0173 -0.2224 0.171 Uiso 0.55 1 calc PR A 1 H11C H 0.6814 0.8387 -0.2012 0.171 Uiso 0.55 1 calc PR A 1 C10' C 0.5691(13) 0.8767(13) -0.1451(6) 0.109(3) Uani 0.50 1 d PDU A 2 H10C H 0.4758 0.9171 -0.1440 0.131 Uiso 0.50 1 calc PR A 2 H10D H 0.5663 0.7994 -0.1864 0.131 Uiso 0.50 1 calc PR A 2 C11' C 0.6609(14) 1.0078(12) -0.1573(7) 0.107(3) Uani 0.45 1 d PDU A 2 H11D H 0.6669 1.0808 -0.1149 0.160 Uiso 0.45 1 calc PR A 2 H11E H 0.6252 1.0635 -0.2034 0.160 Uiso 0.45 1 calc PR A 2 H11F H 0.7516 0.9661 -0.1617 0.160 Uiso 0.45 1 calc PR A 2 C12 C 0.86736(17) 0.7165(2) 0.08675(10) 0.0540(5) Uani 1 1 d . . . C13 C 0.9382(2) 0.8024(3) 0.03816(13) 0.0790(7) Uani 1 1 d . A . H13 H 0.8953 0.8889 0.0110 0.095 Uiso 1 1 calc R . . C14 C 1.0727(3) 0.7615(4) 0.02923(15) 0.0982(9) Uani 1 1 d . . . H14 H 1.1194 0.8206 -0.0040 0.118 Uiso 1 1 calc R A . C15 C 1.1375(2) 0.6364(4) 0.06825(15) 0.0912(9) Uani 1 1 d . A . H15 H 1.2289 0.6108 0.0629 0.109 Uiso 1 1 calc R . . C16 C 1.0676(2) 0.5489(4) 0.11513(15) 0.0962(8) Uani 1 1 d . . . H16 H 1.1105 0.4611 0.1412 0.115 Uiso 1 1 calc R A . C17 C 0.9325(2) 0.5890(3) 0.12473(13) 0.0791(7) Uani 1 1 d . A . H17 H 0.8860 0.5282 0.1574 0.095 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 O1 0.0521(7) 0.1092(12) 0.0576(8) -0.0042(8) -0.0027(6) -0.0227(7) O2 0.0521(9) 0.183(2) 0.0867(11) 0.0269(12) -0.0003(8) 0.0258(10) O3 0.0572(8) 0.1534(17) 0.0669(9) 0.0271(10) 0.0028(7) 0.0035(9) C1 0.0425(9) 0.0779(13) 0.0555(10) -0.0012(9) 0.0010(8) 0.0043(9) C2 0.0452(10) 0.0977(17) 0.0758(13) 0.0096(12) 0.0080(9) -0.0008(10) C3 0.0605(12) 0.1123(19) 0.0647(13) 0.0112(12) 0.0164(10) 0.0108(12) C4 0.0715(14) 0.1067(18) 0.0510(11) -0.0072(11) 0.0060(10) 0.0071(13) C5 0.0565(11) 0.0820(15) 0.0563(11) -0.0114(10) 0.0010(9) -0.0008(10) C6 0.0393(8) 0.0637(11) 0.0529(10) -0.0042(8) 0.0029(7) 0.0047(8) C7 0.0420(9) 0.0612(11) 0.0511(9) -0.0028(8) -0.0007(7) 0.0002(8) C8 0.0412(9) 0.0847(14) 0.0520(10) -0.0069(10) -0.0010(7) -0.0022(9) C9 0.0450(10) 0.1155(19) 0.0540(11) -0.0013(11) -0.0014(8) -0.0015(11) C10 0.064(3) 0.126(6) 0.050(3) 0.018(4) -0.001(3) 0.020(4) C11 0.103(4) 0.164(8) 0.080(5) 0.016(5) 0.028(3) -0.006(6) C10' 0.098(4) 0.141(8) 0.081(6) 0.021(5) -0.012(4) -0.014(5) C11' 0.108(6) 0.096(6) 0.110(8) 0.015(5) -0.005(6) -0.001(5) C12 0.0402(9) 0.0695(12) 0.0510(9) -0.0103(9) 0.0020(7) -0.0070(8) C13 0.0646(13) 0.0999(18) 0.0746(14) 0.0050(13) 0.0169(11) -0.0056(12) C14 0.0659(15) 0.145(3) 0.0900(18) -0.0132(18) 0.0329(13) -0.0202(16) C15 0.0436(11) 0.145(3) 0.0858(16) -0.0373(17) 0.0110(11) 0.0011(14) C16 0.0568(13) 0.126(2) 0.1032(19) 0.0007(17) 0.0033(13) 0.0271(14) C17 0.0529(11) 0.0979(18) 0.0872(15) 0.0127(13) 0.0125(10) 0.0113(11) 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' O O 0.0106 0.0060 '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 C1 O1 C8 108.23(13) C9 O3 C10' 121.4(5) C9 O3 C10 113.1(4) C10' O3 C10 23.9(5) O1 C1 C2 123.62(17) O1 C1 C6 113.12(16) C2 C1 C6 123.26(18) C1 C2 C3 116.9(2) C1 C2 H2 121.5 C3 C2 H2 121.5 C4 C3 C2 121.1(2) C4 C3 H3 119.4 C2 C3 H3 119.4 C3 C4 C5 120.81(19) C3 C4 H4 119.6 C5 C4 H4 119.6 C6 C5 C4 119.04(19) C6 C5 H5 120.5 C4 C5 H5 120.5 C1 C6 C5 118.86(17) C1 C6 C7 109.69(15) C5 C6 C7 131.45(17) C6 C7 C12 115.96(15) C6 C7 C8 100.68(14) C12 C7 C8 112.41(15) C6 C7 H7 109.1 C12 C7 H7 109.1 C8 C7 H7 109.1 O1 C8 C9 108.16(14) O1 C8 C7 107.86(14) C9 C8 C7 113.01(18) O1 C8 H8 109.2 C9 C8 H8 109.2 C7 C8 H8 109.2 O2 C9 O3 124.7(2) O2 C9 C8 125.8(2) O3 C9 C8 109.54(16) C11 C10 O3 101.7(7) C11 C10 H10A 111.4 O3 C10 H10A 111.4 C11 C10 H10B 111.4 O3 C10 H10B 111.4 H10A C10 H10B 109.3 O3 C10' C11' 108.7(9) O3 C10' H10C 110.0 C11' C10' H10C 110.0 O3 C10' H10D 110.0 C11' C10' H10D 110.0 H10C C10' H10D 108.3 C10' C11' H11D 109.5 C10' C11' H11E 109.5 H11D C11' H11E 109.5 C10' C11' H11F 109.5 H11D C11' H11F 109.5 H11E C11' H11F 109.5 C17 C12 C13 118.24(19) C17 C12 C7 121.58(18) C13 C12 C7 120.12(19) C12 C13 C14 120.5(3) C12 C13 H13 119.7 C14 C13 H13 119.7 C15 C14 C13 120.8(2) C15 C14 H14 119.6 C13 C14 H14 119.6 C16 C15 C14 119.1(2) C16 C15 H15 120.5 C14 C15 H15 120.5 C15 C16 C17 120.6(3) C15 C16 H16 119.7 C17 C16 H16 119.7 C12 C17 C16 120.7(2) C12 C17 H17 119.7 C16 C17 H17 119.7 loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance O1 C1 1.369(2) O1 C8 1.435(2) O2 C9 1.189(2) O3 C9 1.309(2) O3 C10' 1.425(10) O3 C10 1.537(9) C1 C2 1.372(3) C1 C6 1.375(3) C2 C3 1.381(3) C2 H2 0.9300 C3 C4 1.373(3) C3 H3 0.9300 C4 C5 1.380(3) C4 H4 0.9300 C5 C6 1.377(2) C5 H5 0.9300 C6 C7 1.504(2) C7 C12 1.516(2) C7 C8 1.563(2) C7 H7 0.9800 C8 C9 1.503(3) C8 H8 0.9800 C10 C11 1.489(11) C10 H10A 0.9700 C10 H10B 0.9700 C11 H11A 0.9600 C11 H11B 0.9600 C11 H11C 0.9600 C10' C11' 1.442(14) C10' H10C 0.9700 C10' H10D 0.9700 C11' H11D 0.9600 C11' H11E 0.9600 C11' H11F 0.9600 C12 C17 1.363(3) C12 C13 1.373(3) C13 C14 1.381(3) C13 H13 0.9300 C14 C15 1.354(4) C14 H14 0.9300 C15 C16 1.353(4) C15 H15 0.9300 C16 C17 1.387(3) C16 H16 0.9300 C17 H17 0.9300 loop_ _geom_torsion_atom_site_label_1 _geom_torsion_atom_site_label_2 _geom_torsion_atom_site_label_3 _geom_torsion_atom_site_label_4 _geom_torsion C8 O1 C1 C2 -176.3(2) C8 O1 C1 C6 4.0(2) O1 C1 C2 C3 179.38(19) C6 C1 C2 C3 -1.0(3) C1 C2 C3 C4 0.2(4) C2 C3 C4 C5 0.8(4) C3 C4 C5 C6 -1.0(3) O1 C1 C6 C5 -179.55(18) C2 C1 C6 C5 0.8(3) O1 C1 C6 C7 0.2(2) C2 C1 C6 C7 -179.45(19) C4 C5 C6 C1 0.2(3) C4 C5 C6 C7 -179.5(2) C1 C6 C7 C12 -125.43(18) C5 C6 C7 C12 54.3(3) C1 C6 C7 C8 -3.88(19) C5 C6 C7 C8 175.8(2) C1 O1 C8 C9 -128.96(18) C1 O1 C8 C7 -6.4(2) C6 C7 C8 O1 6.14(19) C12 C7 C8 O1 130.16(17) C6 C7 C8 C9 125.66(16) C12 C7 C8 C9 -110.32(18) C10' O3 C9 O2 -10.9(6) C10 O3 C9 O2 14.4(5) C10' O3 C9 C8 170.3(5) C10 O3 C9 C8 -164.4(4) O1 C8 C9 O2 14.5(3) C7 C8 C9 O2 -104.9(3) O1 C8 C9 O3 -166.69(18) C7 C8 C9 O3 74.0(2) C9 O3 C10 C11 -174.7(5) C10' O3 C10 C11 -58.9(18) C9 O3 C10' C11' 133.7(8) C10 O3 C10' C11' 57.7(16) C6 C7 C12 C17 29.6(3) C8 C7 C12 C17 -85.5(2) C6 C7 C12 C13 -153.24(19) C8 C7 C12 C13 91.7(2) C17 C12 C13 C14 -1.0(3) C7 C12 C13 C14 -178.3(2) C12 C13 C14 C15 -0.2(4) C13 C14 C15 C16 1.5(4) C14 C15 C16 C17 -1.6(4) C13 C12 C17 C16 0.9(3) C7 C12 C17 C16 178.1(2) C15 C16 C17 C12 0.4(4)