#------------------------------------------------------------------------------ #$Date: 2025-08-21 22:26:11 +0100 (Thu, 21 Aug 2025) $ #$Revision: 301853 $ #$URL: svn://www.crystallography.net/cod/cif/7/10/88/7108855.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_7108855 loop_ _publ_author_name 'Qing-Wei Zhang' 'Xiao-Bo Zhang' 'Bao-Sheng Li' 'Kai Xiang' 'Fu-Min Zhang' 'Shao-Hua Wang' 'Yong-Qiang Tu' _publ_section_title ; Catalytic intermolecular carbon electrophile induced semipinacol rearrangement ; _journal_issue 16 _journal_name_full 'Chemical communications (Cambridge, England)' _journal_page_first 1648 _journal_page_last 1650 _journal_paper_doi 10.1039/c2cc38585f _journal_volume 49 _journal_year 2013 _chemical_formula_sum 'C13 H20 O5' _chemical_formula_weight 256.29 _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 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 104.368(10) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 16.078(17) _cell_length_b 7.506(8) _cell_length_c 11.069(12) _cell_measurement_reflns_used 1958 _cell_measurement_temperature 296(2) _cell_measurement_theta_max 21.61 _cell_measurement_theta_min 2.62 _cell_volume 1294(2) _computing_cell_refinement 'Bruker SAINT' _computing_data_collection 'Bruker APEX2' _computing_data_reduction 'Bruker SAINT' _computing_molecular_graphics 'Bruker SHELXTL' _computing_publication_material 'Bruker SHELXTL' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 2008)' _computing_structure_solution 'SHELXS-97 (Sheldrick, 2008)' _diffrn_ambient_temperature 296(2) _diffrn_measured_fraction_theta_full 0.996 _diffrn_measured_fraction_theta_max 0.996 _diffrn_measurement_device_type 'Bruker APEX-II CCD' _diffrn_measurement_method '\f and \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 0.0491 _diffrn_reflns_av_sigmaI/netI 0.0449 _diffrn_reflns_limit_h_max 19 _diffrn_reflns_limit_h_min -16 _diffrn_reflns_limit_k_max 9 _diffrn_reflns_limit_k_min -9 _diffrn_reflns_limit_l_max 13 _diffrn_reflns_limit_l_min -13 _diffrn_reflns_number 8939 _diffrn_reflns_theta_full 25.50 _diffrn_reflns_theta_max 25.50 _diffrn_reflns_theta_min 2.62 _exptl_absorpt_coefficient_mu 0.100 _exptl_absorpt_correction_T_max 0.9812 _exptl_absorpt_correction_T_min 0.9754 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details SADABS _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.316 _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 552 _exptl_crystal_size_max 0.25 _exptl_crystal_size_mid 0.23 _exptl_crystal_size_min 0.19 _refine_diff_density_max 0.147 _refine_diff_density_min -0.189 _refine_diff_density_rms 0.049 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.072 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 168 _refine_ls_number_reflns 2398 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.072 _refine_ls_R_factor_all 0.0824 _refine_ls_R_factor_gt 0.0523 _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^)+(0.0796P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1332 _refine_ls_wR_factor_ref 0.1533 _reflns_number_gt 1564 _reflns_number_total 2398 _reflns_threshold_expression >2sigma(I) _cod_data_source_file c2cc38585f.txt _cod_data_source_block p21c _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)/c _cod_database_code 7108855 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, y+1/2, -z+1/2' '-x, -y, -z' 'x, -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 C1 C 0.32983(15) 0.9355(3) 0.5130(2) 0.0494(6) Uani 1 1 d . C2 C 0.41264(17) 1.0090(3) 0.5931(3) 0.0694(7) Uani 1 1 d . H2A H 0.4010 1.1007 0.6485 0.083 Uiso 1 1 calc R H2B H 0.4474 1.0600 0.5416 0.083 Uiso 1 1 calc R C3 C 0.45867(17) 0.8516(4) 0.6677(2) 0.0706(7) Uani 1 1 d . H3A H 0.5204 0.8684 0.6886 0.085 Uiso 1 1 calc R H3B H 0.4402 0.8348 0.7439 0.085 Uiso 1 1 calc R C4 C 0.43230(15) 0.6947(3) 0.5797(2) 0.0593(6) Uani 1 1 d . H4A H 0.4394 0.5832 0.6254 0.071 Uiso 1 1 calc R H4B H 0.4661 0.6908 0.5183 0.071 Uiso 1 1 calc R C5 C 0.33804(14) 0.7289(3) 0.51753(18) 0.0434(5) Uani 1 1 d . C6 C 0.27668(13) 0.6730(3) 0.59618(19) 0.0441(5) Uani 1 1 d . H6 H 0.3086 0.6841 0.6836 0.053 Uiso 1 1 calc R C7 C 0.21015(14) 0.8234(3) 0.5712(2) 0.0489(6) Uani 1 1 d . H7 H 0.1850 0.8331 0.6430 0.059 Uiso 1 1 calc R C8 C 0.30015(17) 0.4729(3) 0.3882(2) 0.0594(7) Uani 1 1 d . H8A H 0.3525 0.4152 0.4339 0.071 Uiso 1 1 calc R H8B H 0.2882 0.4336 0.3021 0.071 Uiso 1 1 calc R C9 C 0.22755(16) 0.4204(3) 0.4430(2) 0.0591(7) Uani 1 1 d . H9A H 0.2205 0.2920 0.4388 0.071 Uiso 1 1 calc R H9B H 0.1747 0.4743 0.3955 0.071 Uiso 1 1 calc R C10 C 0.24584(15) 0.4812(3) 0.5777(2) 0.0549(6) Uani 1 1 d . H10A H 0.2892 0.4040 0.6284 0.066 Uiso 1 1 calc R H10B H 0.1940 0.4689 0.6068 0.066 Uiso 1 1 calc R C11 C 0.13775(16) 0.8073(3) 0.4534(2) 0.0568(6) Uani 1 1 d . C12 C -0.00068(18) 0.6798(4) 0.3697(3) 0.0883(9) Uani 1 1 d . H12A H -0.0236 0.5610 0.3738 0.106 Uiso 1 1 calc R H12B H 0.0158 0.6911 0.2914 0.106 Uiso 1 1 calc R C13 C -0.06655(19) 0.8141(4) 0.3759(3) 0.1042(11) Uani 1 1 d . H13A H -0.0808 0.8056 0.4549 0.156 Uiso 1 1 calc R H13B H -0.1170 0.7930 0.3100 0.156 Uiso 1 1 calc R H13C H -0.0447 0.9310 0.3667 0.156 Uiso 1 1 calc R O1 O 0.31457(15) 1.0084(2) 0.39347(16) 0.0702(6) Uani 1 1 d . O2 O 0.25976(9) 0.97793(18) 0.56657(13) 0.0507(4) Uani 1 1 d . O3 O 0.31183(10) 0.66226(17) 0.39352(12) 0.0517(4) Uani 1 1 d . O4 O 0.13713(12) 0.8765(3) 0.35525(16) 0.0776(6) Uani 1 1 d . O5 O 0.07447(11) 0.7073(2) 0.47443(17) 0.0713(5) Uani 1 1 d . H1 H 0.257(3) 0.966(6) 0.360(4) 0.18(2) Uiso 1 1 d . 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 C1 0.0691(15) 0.0416(12) 0.0435(12) 0.0005(9) 0.0256(11) 0.0020(10) C2 0.0759(17) 0.0579(15) 0.0841(19) -0.0127(13) 0.0380(14) -0.0126(14) C3 0.0634(16) 0.0817(18) 0.0649(17) -0.0085(14) 0.0126(13) -0.0117(14) C4 0.0595(15) 0.0589(15) 0.0629(16) 0.0073(12) 0.0213(12) 0.0070(12) C5 0.0569(13) 0.0410(11) 0.0350(11) 0.0031(9) 0.0165(9) 0.0052(10) C6 0.0539(13) 0.0440(11) 0.0334(11) 0.0036(9) 0.0090(9) 0.0035(9) C7 0.0555(13) 0.0493(12) 0.0440(13) -0.0010(9) 0.0162(10) 0.0034(10) C8 0.0918(18) 0.0401(12) 0.0449(13) -0.0026(10) 0.0145(13) 0.0116(12) C9 0.0782(17) 0.0358(12) 0.0603(15) -0.0017(10) 0.0118(13) 0.0010(11) C10 0.0675(15) 0.0449(12) 0.0530(14) 0.0079(10) 0.0163(11) -0.0028(11) C11 0.0591(15) 0.0549(14) 0.0538(15) -0.0001(12) 0.0093(12) 0.0133(12) C12 0.0684(19) 0.092(2) 0.092(2) -0.0021(17) -0.0023(16) -0.0063(16) C13 0.066(2) 0.101(2) 0.136(3) 0.030(2) 0.007(2) 0.0061(18) O1 0.1265(17) 0.0400(9) 0.0548(10) 0.0125(7) 0.0428(11) 0.0109(10) O2 0.0636(9) 0.0409(8) 0.0504(9) -0.0040(6) 0.0194(7) 0.0048(7) O3 0.0827(11) 0.0381(8) 0.0366(8) 0.0021(6) 0.0195(7) 0.0071(7) O4 0.0843(13) 0.0875(13) 0.0534(11) 0.0113(10) 0.0030(9) 0.0099(10) O5 0.0535(10) 0.0773(12) 0.0759(13) 0.0028(9) 0.0027(9) -0.0013(9) 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 O1 C1 O2 109.49(18) O1 C1 C2 109.6(2) O2 C1 C2 110.16(18) O1 C1 C5 114.51(17) O2 C1 C5 106.10(16) C2 C1 C5 106.87(19) C1 C2 C3 105.9(2) C1 C2 H2A 110.6 C3 C2 H2A 110.6 C1 C2 H2B 110.6 C3 C2 H2B 110.6 H2A C2 H2B 108.7 C4 C3 C2 103.5(2) C4 C3 H3A 111.1 C2 C3 H3A 111.1 C4 C3 H3B 111.1 C2 C3 H3B 111.1 H3A C3 H3B 109.0 C3 C4 C5 104.31(19) C3 C4 H4A 110.9 C5 C4 H4A 110.9 C3 C4 H4B 110.9 C5 C4 H4B 110.9 H4A C4 H4B 108.9 O3 C5 C4 113.59(17) O3 C5 C6 112.02(17) C4 C5 C6 114.04(18) O3 C5 C1 108.46(16) C4 C5 C1 104.44(18) C6 C5 C1 103.32(16) C10 C6 C5 114.75(18) C10 C6 C7 118.93(19) C5 C6 C7 102.45(16) C10 C6 H6 106.6 C5 C6 H6 106.6 C7 C6 H6 106.6 O2 C7 C11 110.62(18) O2 C7 C6 103.63(19) C11 C7 C6 116.56(18) O2 C7 H7 108.6 C11 C7 H7 108.6 C6 C7 H7 108.6 O3 C8 C9 110.64(18) O3 C8 H8A 109.5 C9 C8 H8A 109.5 O3 C8 H8B 109.5 C9 C8 H8B 109.5 H8A C8 H8B 108.1 C8 C9 C10 109.8(2) C8 C9 H9A 109.7 C10 C9 H9A 109.7 C8 C9 H9B 109.7 C10 C9 H9B 109.7 H9A C9 H9B 108.2 C9 C10 C6 113.23(18) C9 C10 H10A 108.9 C6 C10 H10A 108.9 C9 C10 H10B 108.9 C6 C10 H10B 108.9 H10A C10 H10B 107.7 O4 C11 O5 124.5(2) O4 C11 C7 125.0(2) O5 C11 C7 110.5(2) O5 C12 C13 109.1(3) O5 C12 H12A 109.9 C13 C12 H12A 109.9 O5 C12 H12B 109.9 C13 C12 H12B 109.9 H12A C12 H12B 108.3 C12 C13 H13A 109.5 C12 C13 H13B 109.5 H13A C13 H13B 109.5 C12 C13 H13C 109.5 H13A C13 H13C 109.5 H13B C13 H13C 109.5 C1 O1 H1 99(3) C7 O2 C1 109.92(15) C5 O3 C8 113.11(15) C11 O5 C12 117.2(2) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance C1 O1 1.396(3) C1 O2 1.433(3) C1 C2 1.509(4) C1 C5 1.556(3) C2 C3 1.524(4) C2 H2A 0.9700 C2 H2B 0.9700 C3 C4 1.520(3) C3 H3A 0.9700 C3 H3B 0.9700 C4 C5 1.523(3) C4 H4A 0.9700 C4 H4B 0.9700 C5 O3 1.423(3) C5 C6 1.528(3) C6 C10 1.520(3) C6 C7 1.532(3) C6 H6 0.9800 C7 O2 1.415(3) C7 C11 1.522(3) C7 H7 0.9800 C8 O3 1.433(3) C8 C9 1.496(3) C8 H8A 0.9700 C8 H8B 0.9700 C9 C10 1.517(3) C9 H9A 0.9700 C9 H9B 0.9700 C10 H10A 0.9700 C10 H10B 0.9700 C11 O4 1.202(3) C11 O5 1.331(3) C12 O5 1.467(3) C12 C13 1.476(4) C12 H12A 0.9700 C12 H12B 0.9700 C13 H13A 0.9600 C13 H13B 0.9600 C13 H13C 0.9600 O1 H1 0.96(5) 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 O1 C1 C2 C3 -137.97(19) O2 C1 C2 C3 101.5(2) C5 C1 C2 C3 -13.3(2) C1 C2 C3 C4 32.5(2) C2 C3 C4 C5 -39.4(2) C3 C4 C5 O3 148.89(18) C3 C4 C5 C6 -81.1(2) C3 C4 C5 C1 30.9(2) O1 C1 C5 O3 -10.7(3) O2 C1 C5 O3 110.19(18) C2 C1 C5 O3 -132.28(18) O1 C1 C5 C4 110.7(2) O2 C1 C5 C4 -128.38(19) C2 C1 C5 C4 -10.8(2) O1 C1 C5 C6 -129.7(2) O2 C1 C5 C6 -8.8(2) C2 C1 C5 C6 108.7(2) O3 C5 C6 C10 41.8(2) C4 C5 C6 C10 -89.0(2) C1 C5 C6 C10 158.28(18) O3 C5 C6 C7 -88.6(2) C4 C5 C6 C7 140.66(18) C1 C5 C6 C7 27.9(2) C10 C6 C7 O2 -165.93(17) C5 C6 C7 O2 -38.21(19) C10 C6 C7 C11 -44.2(3) C5 C6 C7 C11 83.5(2) O3 C8 C9 C10 -59.3(2) C8 C9 C10 C6 46.9(2) C5 C6 C10 C9 -39.1(3) C7 C6 C10 C9 82.7(2) O2 C7 C11 O4 22.2(3) C6 C7 C11 O4 -95.8(3) O2 C7 C11 O5 -157.06(18) C6 C7 C11 O5 84.9(2) C11 C7 O2 C1 -91.3(2) C6 C7 O2 C1 34.3(2) O1 C1 O2 C7 107.99(19) C2 C1 O2 C7 -131.40(19) C5 C1 O2 C7 -16.1(2) C4 C5 O3 C8 76.3(2) C6 C5 O3 C8 -54.7(2) C1 C5 O3 C8 -168.10(18) C9 C8 O3 C5 65.1(2) O4 C11 O5 C12 0.4(4) C7 C11 O5 C12 179.63(19) C13 C12 O5 C11 -94.2(3) loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 139182993