#------------------------------------------------------------------------------ #$Date: 2014-07-11 17:35:18 +0300 (Fri, 11 Jul 2014) $ #$Revision: 120071 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/50/47/1504705.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_1504705 loop_ _publ_author_name 'Ionkin, Alex S.' 'Marshall, William J.' 'Fish, Brian M.' _publ_section_title ; Highly sterically hindered olefins: a case of E- and Z-di-tert-butyl alpha,beta-unsaturated acids. ; _journal_issue 11 _journal_name_full 'Organic letters' _journal_page_first 2303 _journal_page_last 2305 _journal_volume 10 _journal_year 2008 _chemical_formula_sum 'C11 H20 O2' _chemical_formula_weight 184.27 _chemical_name_systematic ; ? ; _space_group_IT_number 19 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall 'P 2ac 2ab' _symmetry_space_group_name_H-M 'P 21 21 21' _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 90.00 _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 6.752(3) _cell_length_b 10.198(5) _cell_length_c 17.425(9) _cell_measurement_temperature 293(2) _cell_volume 1199.8(10) _computing_cell_refinement 'Bruker XSCANS' _computing_data_collection 'Bruker XSCANS' _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 0.994 _diffrn_measured_fraction_theta_max 0.994 _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 0.0615 _diffrn_reflns_av_sigmaI/netI 0.0476 _diffrn_reflns_limit_h_max 6 _diffrn_reflns_limit_h_min -8 _diffrn_reflns_limit_k_max 12 _diffrn_reflns_limit_k_min -12 _diffrn_reflns_limit_l_max 20 _diffrn_reflns_limit_l_min -20 _diffrn_reflns_number 8658 _diffrn_reflns_theta_full 25.03 _diffrn_reflns_theta_max 25.03 _diffrn_reflns_theta_min 2.31 _exptl_absorpt_coefficient_mu 0.068 _exptl_absorpt_correction_type none _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.020 _exptl_crystal_density_method 'not measured' _exptl_crystal_description needle _exptl_crystal_F_000 408 _exptl_crystal_size_max 0.250 _exptl_crystal_size_mid 0.070 _exptl_crystal_size_min 0.050 _refine_diff_density_max 0.265 _refine_diff_density_min -0.203 _refine_diff_density_rms 0.048 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 2(4) _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.046 _refine_ls_hydrogen_treatment riding _refine_ls_matrix_type full _refine_ls_number_parameters 135 _refine_ls_number_reflns 2096 _refine_ls_number_restraints 6 _refine_ls_restrained_S_all 1.045 _refine_ls_R_factor_all 0.1020 _refine_ls_R_factor_gt 0.0757 _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^)+(0.1326P)^2^+0.2484P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.2035 _refine_ls_wR_factor_ref 0.2287 _reflns_number_gt 1458 _reflns_number_total 2096 _reflns_threshold_expression >2sigma(I) _[local]_cod_data_source_file ol800808g-file001.cif _[local]_cod_data_source_block 06273 _[local]_cod_cif_authors_sg_H-M P2(1)2(1)2(1) _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Orthorhombic' changed to 'orthorhombic' 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_values 1715 2011-07-08 13:25:40Z adriana ; _cod_database_code 1504705 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, -y, z+1/2' '-x, y+1/2, -z+1/2' 'x+1/2, -y+1/2, -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 O1 O 0.1513(3) 0.7519(2) 0.98588(16) 0.0672(8) Uani 1 1 d . A . O2 O 0.3615(4) 0.9154(2) 0.9880(2) 0.0849(10) Uani 1 1 d . A . C1 C 0.1830(5) 0.8666(3) 0.9787(3) 0.0707(11) Uani 1 1 d . . . C4 C -0.0450(6) 1.0537(4) 1.0760(2) 0.0629(10) Uani 1 1 d . . . C5 C 0.0090(8) 0.9427(5) 1.1254(3) 0.0930(15) Uani 1 1 d . A . H5A H -0.0092 0.9669 1.1782 0.140 Uiso 1 1 calc R . . H5B H 0.1451 0.9199 1.1169 0.140 Uiso 1 1 calc R . . H5C H -0.0738 0.8689 1.1136 0.140 Uiso 1 1 calc R . . C6 C 0.0861(12) 1.1691(7) 1.0946(3) 0.148(4) Uani 1 1 d . A . H6A H 0.0854 1.1841 1.1490 0.222 Uiso 1 1 calc R . . H6B H 0.0377 1.2457 1.0686 0.222 Uiso 1 1 calc R . . H6C H 0.2189 1.1510 1.0780 0.222 Uiso 1 1 calc R . . C7 C -0.2625(7) 1.0856(5) 1.0950(3) 0.0981(16) Uani 1 1 d . A . H7A H -0.2753 1.1013 1.1491 0.147 Uiso 1 1 calc R . . H7B H -0.3449 1.0129 1.0806 0.147 Uiso 1 1 calc R . . H7C H -0.3028 1.1623 1.0672 0.147 Uiso 1 1 calc R . . C8 C -0.0069(6) 0.9605(3) 0.85487(18) 0.0584(9) Uani 1 1 d D . . C2 C -0.0629(7) 1.0448(5) 0.9889(3) 0.0497(11) Uani 0.684(5) 1 d P A 1 H2A H -0.1518 1.1023 0.9659 0.060 Uiso 0.684(5) 1 calc PR A 1 C3 C 0.0347(8) 0.9637(5) 0.9418(3) 0.0460(10) Uani 0.684(5) 1 d P A 1 C9 C 0.1975(9) 0.9489(8) 0.8198(4) 0.146(3) Uani 1 1 d D A 1 H9A H 0.1859 0.9392 0.7652 0.219 Uiso 1 1 calc R A 1 H9B H 0.2637 0.8737 0.8408 0.219 Uiso 1 1 calc R A 1 H9C H 0.2726 1.0264 0.8312 0.219 Uiso 1 1 calc R A 1 C10 C -0.1067(10) 1.0757(5) 0.8205(3) 0.120(2) Uani 1 1 d D A 1 H10A H -0.1036 1.0687 0.7656 0.180 Uiso 1 1 calc R A 1 H10B H -0.0394 1.1543 0.8361 0.180 Uiso 1 1 calc R A 1 H10C H -0.2417 1.0789 0.8377 0.180 Uiso 1 1 calc R A 1 C11 C -0.1185(12) 0.8384(5) 0.8356(3) 0.129(3) Uani 1 1 d D A 1 H11A H -0.1262 0.8290 0.7809 0.193 Uiso 1 1 calc R A 1 H11B H -0.2498 0.8437 0.8566 0.193 Uiso 1 1 calc R A 1 H11C H -0.0513 0.7640 0.8571 0.193 Uiso 1 1 calc R A 1 C2' C -0.055(2) 1.0116(11) 0.9375(8) 0.0497(11) Uani 0.316(5) 1 d P A 2 H2'A H -0.1550 1.0743 0.9415 0.060 Uiso 0.316(5) 1 calc PR A 2 C3' C 0.0299(14) 0.9749(10) 1.0014(6) 0.0460(10) Uani 0.316(5) 1 d P A 2 H2 H 0.422(7) 0.859(5) 1.023(3) 0.099(15) 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 O1 0.0351(12) 0.0538(14) 0.113(2) 0.0093(12) 0.0062(13) 0.0038(10) O2 0.0361(12) 0.0564(14) 0.162(3) 0.0074(17) -0.0043(17) -0.0052(11) C1 0.0388(19) 0.0524(19) 0.121(3) 0.002(2) 0.001(2) 0.0029(15) C4 0.068(2) 0.072(2) 0.049(2) -0.0091(17) 0.0093(16) -0.020(2) C5 0.095(3) 0.094(3) 0.091(3) -0.024(3) -0.021(3) 0.010(3) C6 0.209(8) 0.160(6) 0.074(3) -0.034(3) 0.034(4) -0.124(6) C7 0.093(3) 0.116(4) 0.086(3) -0.015(3) -0.013(3) 0.025(3) C8 0.070(2) 0.063(2) 0.0423(18) 0.0028(14) 0.0034(16) 0.0055(19) C2 0.047(2) 0.048(2) 0.054(3) -0.002(2) 0.004(2) 0.006(2) C3 0.038(2) 0.050(2) 0.049(2) -0.004(2) 0.005(2) 0.0056(19) C9 0.098(5) 0.232(8) 0.109(4) -0.007(5) 0.027(3) 0.044(5) C10 0.179(7) 0.093(3) 0.088(4) -0.015(3) -0.042(4) 0.045(4) C11 0.220(8) 0.108(4) 0.058(3) -0.016(2) -0.028(4) -0.027(4) C2' 0.047(2) 0.048(2) 0.054(3) -0.002(2) 0.004(2) 0.006(2) C3' 0.038(2) 0.050(2) 0.049(2) -0.004(2) 0.005(2) 0.0056(19) 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 121.5(3) O1 C1 C3 123.6(3) O2 C1 C3 113.7(3) O1 C1 C3' 123.1(5) O2 C1 C3' 107.9(4) C3 C1 C3' 39.3(4) C5 C4 C6 109.2(4) C5 C4 C2 123.9(4) C6 C4 C2 107.9(3) C5 C4 C7 105.8(4) C6 C4 C7 110.4(5) C2 C4 C7 98.7(3) C5 C4 C3' 90.6(5) C6 C4 C3' 112.2(5) C2 C4 C3' 36.1(4) C7 C4 C3' 125.4(5) C10 C8 C11 110.0(4) C10 C8 C9 108.3(4) C11 C8 C9 107.7(5) C10 C8 C3 117.6(4) C11 C8 C3 109.3(3) C9 C8 C3 103.4(4) C10 C8 C2' 90.7(6) C11 C8 C2' 112.2(5) C9 C8 C2' 126.0(6) C3 C8 C2' 29.2(4) C3 C2 C4 127.5(4) C2 C3 C8 121.8(5) C2 C3 C1 117.2(4) C8 C3 C1 120.9(4) C3' C2' C8 126.5(11) C2' C3' C1 106.2(9) C2' C3' C4 113.9(9) C1 C3' C4 139.9(8) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance O1 C1 1.195(4) O2 C1 1.315(4) C1 C3 1.549(6) C1 C3' 1.563(10) C4 C5 1.468(6) C4 C6 1.508(6) C4 C2 1.524(6) C4 C7 1.540(6) C4 C3' 1.609(11) C8 C10 1.481(5) C8 C11 1.494(6) C8 C9 1.514(6) C8 C3 1.540(6) C8 C2' 1.566(14) C2 C3 1.339(8) C2' C3' 1.31(2) 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 C5 C4 C2 C3 -28.8(7) C6 C4 C2 C3 100.5(6) C7 C4 C2 C3 -144.6(5) C3' C4 C2 C3 -2.9(7) C4 C2 C3 C8 176.6(4) C4 C2 C3 C1 0.3(7) C10 C8 C3 C2 19.6(6) C11 C8 C3 C2 -106.7(5) C9 C8 C3 C2 138.8(5) C2' C8 C3 C2 -5.4(9) C10 C8 C3 C1 -164.2(4) C11 C8 C3 C1 69.5(5) C9 C8 C3 C1 -45.0(5) C2' C8 C3 C1 170.8(11) O1 C1 C3 C2 105.6(5) O2 C1 C3 C2 -87.1(5) C3' C1 C3 C2 2.6(6) O1 C1 C3 C8 -70.8(6) O2 C1 C3 C8 96.6(5) C3' C1 C3 C8 -173.8(8) C10 C8 C2' C3' -161.9(11) C11 C8 C2' C3' 86.1(11) C9 C8 C2' C3' -48.5(13) C3 C8 C2' C3' -3.9(7) C8 C2' C3' C1 -2.2(13) C8 C2' C3' C4 176.1(7) O1 C1 C3' C2' -99.8(9) O2 C1 C3' C2' 110.1(8) C3 C1 C3' C2' 4.4(6) O1 C1 C3' C4 82.6(11) O2 C1 C3' C4 -67.5(11) C3 C1 C3' C4 -173.2(14) C5 C4 C3' C2' 154.5(8) C6 C4 C3' C2' -94.4(9) C2 C4 C3' C2' -4.3(7) C7 C4 C3' C2' 44.5(11) C5 C4 C3' C1 -28.0(10) C6 C4 C3' C1 83.1(11) C2 C4 C3' C1 173.2(15) C7 C4 C3' C1 -138.1(9) _journal_paper_doi 10.1021/ol800808g