#------------------------------------------------------------------------------ #$Date: 2025-08-18 23:52:38 +0100 (Mon, 18 Aug 2025) $ #$Revision: 301791 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/63/2006359.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/. The original data for this entry # were provided by IUCr Journals, http://journals.iucr.org/. # # The file may be used within the scientific community so long as # proper attribution is given to the journal article from which the # data were obtained. # data_2006359 loop_ _publ_author_name 'Pati, Hari N.' 'Parmar, Virinder S.' 'Errington, William' _publ_section_title ; 1-(2,4-Diacetoxyphenyl)-2-phenylethanone ; _journal_issue 8 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 1161 _journal_page_last 1162 _journal_paper_doi 10.1107/S0108270197004253 _journal_volume 53 _journal_year 1997 _chemical_formula_sum 'C18 H16 O5' _chemical_formula_weight 312.31 _chemical_name_systematic ; 1-(2,4-Diacetoxyphenyl)-2-phenylethanone ; _space_group_IT_number 2 _symmetry_cell_setting triclinic _symmetry_space_group_name_Hall '-P 1' _symmetry_space_group_name_H-M 'P -1' _audit_creation_method SHELXL _cell_angle_alpha 106.15(6) _cell_angle_beta 92.75(6) _cell_angle_gamma 106.74(6) _cell_formula_units_Z 2 _cell_length_a 8.034(6) _cell_length_b 9.039(7) _cell_length_c 11.493(9) _cell_measurement_reflns_used 27 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 11 _cell_measurement_theta_min 5 _cell_volume 760.2(11) _computing_cell_refinement 'P3/PC Diffractometer Program' _computing_data_collection 'P3/PC Diffractometer Program (Siemens, 1989)' _computing_data_reduction 'SHELXTL-Plus (Sheldrick, 1991)' _computing_molecular_graphics SHELXTL-Plus _computing_publication_material SHELXL-96 _computing_structure_refinement 'SHELXL-96 (Sheldrick, 1996)' _computing_structure_solution SHELXTL-Plus _diffrn_ambient_temperature 293(2) _diffrn_measurement_device 'Siemens P3R3 diffractometer' _diffrn_measurement_method \w-2\q _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'normal-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0234 _diffrn_reflns_av_sigmaI/netI 0.0282 _diffrn_reflns_limit_h_max 9 _diffrn_reflns_limit_h_min 0 _diffrn_reflns_limit_k_max 10 _diffrn_reflns_limit_k_min -10 _diffrn_reflns_limit_l_max 13 _diffrn_reflns_limit_l_min -13 _diffrn_reflns_number 2905 _diffrn_reflns_theta_max 25.05 _diffrn_reflns_theta_min 1.86 _diffrn_standards_decay_% none _diffrn_standards_interval_count 200 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.100 _exptl_absorpt_correction_type none _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.364 _exptl_crystal_density_meas ? _exptl_crystal_description block _exptl_crystal_F_000 328 _exptl_crystal_size_max 0.46 _exptl_crystal_size_mid 0.25 _exptl_crystal_size_min 0.20 _refine_diff_density_max 0.26 _refine_diff_density_min -0.18 _refine_ls_extinction_coef 0.089(7) _refine_ls_extinction_method 'SHELXL96 (Sheldrick, 1996)' _refine_ls_goodness_of_fit_all 1.043 _refine_ls_goodness_of_fit_obs 1.106 _refine_ls_hydrogen_treatment noref _refine_ls_matrix_type full _refine_ls_number_parameters 211 _refine_ls_number_reflns 2694 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.043 _refine_ls_restrained_S_obs 1.106 _refine_ls_R_factor_all 0.0637 _refine_ls_R_factor_obs .0429 _refine_ls_shift/esd_max 0.010 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w = 1/[\s^2^(Fo^2^)+(0.0599P)^2^+0.1752P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.1236 _refine_ls_wR_factor_obs .1090 _reflns_number_observed 1926 _reflns_number_total 2694 _reflns_observed_criterion >2sigma(I) _cod_data_source_file bm1147.cif _cod_data_source_block ha4del _cod_depositor_comments ; The following automatic conversions were performed: '_exptl_crystal_density_meas' value 'not measured' was changed to '?' - the value is perceived as not measured. Automatic conversion script Id: cif_fix_values 3008 2015-01-20 13:52:24Z robertas The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'calc w = 1/[\s^2^(Fo^2^)+(0.0599P)^2^+0.1752P] where P=(Fo^2^+2Fc^2^)/3' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w = 1/[\s^2^(Fo^2^)+(0.0599P)^2^+0.1752P] where P=(Fo^2^+2Fc^2^)/3'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_cell_volume 760.2(10) _cod_database_code 2006359 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 O1 .0473(9) .1434(18) .0398(9) -.0185(10) -.0057(8) .0366(10) O2 .0382(7) .0429(8) .0392(7) .0112(6) -.0018(6) .0045(6) O3 .0500(9) .0559(9) .0590(9) .0215(8) -.0010(7) .0115(7) O4 .0503(9) .0981(13) .0409(8) .0151(8) .0054(7) .0357(8) O5 .0703(12) .1176(16) .0598(10) .0496(11) .0235(9) .0425(10) C1 .0341(10) .0448(11) .0329(10) .0083(8) .0030(8) .0113(8) C2 .0316(9) .0398(10) .0343(10) .0112(8) .0021(7) .0068(8) C3 .0375(10) .0479(11) .0437(11) .0091(9) .0063(8) .0196(9) C4 .0416(11) .0633(13) .0334(10) .0147(10) .0055(8) .0194(9) C5 .0468(12) .0553(13) .0338(10) .0067(10) -.0010(9) .0087(9) C6 .0445(11) .0480(12) .0397(11) .0033(9) .0031(9) .0130(9) C7 .0394(11) .0600(13) .0364(11) .0042(10) .0020(9) .0162(10) C8 .0468(12) .0717(15) .0407(11) -.0076(11) .0013(9) .0216(11) C9 .0324(10) .0474(11) .0392(10) -.0003(8) .0021(8) .0163(9) C10 .0447(12) .0485(12) .0713(15) .0067(10) -.0003(11) .0282(11) C11 .0459(13) .0540(14) .0751(17) .0126(11) .0135(11) .0025(12) C12 .0534(13) .0748(16) .0421(12) .0053(12) .0140(10) .0110(12) C13 .0594(14) .0663(15) .0497(13) .0129(12) .0082(11) .0306(11) C14 .0487(12) .0474(12) .0494(12) .0149(10) .0091(9) .0162(10) C15 .0337(10) .0436(11) .0404(11) .0038(9) .0056(8) .0144(9) C16 .0511(13) .0652(14) .0434(12) .0110(11) -.0030(10) .0056(10) C17 .0575(13) .0530(13) .0389(11) .0180(10) .0103(10) .0159(9) C18 .0760(17) .0929(19) .0459(13) .0271(15) .0159(12) .0361(13) loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_group _atom_site_type_symbol O1 .4799(2) .7582(3) .37842(14) .0861(7) Uani d . 1 . O O2 .33058(17) .53829(15) .49484(11) .0424(4) Uani d . 1 . O O3 .13103(19) .66177(18) .47697(14) .0555(4) Uani d . 1 . O O4 .49774(19) .7199(2) .92398(13) .0619(5) Uani d . 1 . O O5 .2143(2) .6949(2) .92683(15) .0743(6) Uani d . 1 . O C1 .5495(2) .7991(2) .58777(16) .0384(5) Uani d . 1 . C C2 .4234(2) .6630(2) .59820(16) .0363(4) Uani d . 1 . C C3 .4005(2) .6366(2) .70846(17) .0427(5) Uani d . 1 . C H3 .3176 .5431 .7132 .051 Uiso calc R 1 . H C4 .5014(3) .7500(3) .81198(17) .0455(5) Uani d . 1 . C C5 .6227(3) .8896(3) .80757(18) .0486(5) Uani d . 1 . C H5 .6869 .9678 .8789 .058 Uiso calc R 1 . H C6 .6472(3) .9112(3) .69546(18) .0467(5) Uani d . 1 . C H6 .7321 1.0039 .6914 .056 Uiso calc R 1 . H C7 .5888(3) .8184(3) .46707(18) .0476(5) Uani d . 1 . C C8 .7731(3) .9150(3) .46058(19) .0581(6) Uani d . 1 . C H8A .7891 1.0291 .4992 .070 Uiso calc R 1 . H H8B .8544 .8844 .5071 .070 Uiso calc R 1 . H C9 .8186(2) .8928(2) .33376(17) .0420(5) Uani d . 1 . C C10 .8867(3) .7717(3) .2790(2) .0548(6) Uani d . 1 . C H10 .9065 .7037 .3220 .066 Uiso calc R 1 . H C11 .9260(3) .7497(3) .1617(2) .0626(7) Uani d . 1 . C H11 .9702 .6661 .1251 .075 Uiso calc R 1 . H C12 .9001(3) .8507(3) .0989(2) .0613(7) Uani d . 1 . C H12 .9262 .8360 .0193 .074 Uiso calc R 1 . H C13 .8362(3) .9728(3) .1529(2) .0573(6) Uani d . 1 . C H13 .8206 1.0429 .1105 .069 Uiso calc R 1 . H C14 .7945(3) .9934(3) .26917(19) .0482(5) Uani d . 1 . C H14 .7494 1.0766 .3048 .058 Uiso calc R 1 . H C15 .1907(2) .5556(2) .43526(17) .0407(5) Uani d . 1 . C C16 .1256(3) .4236(3) .31865(19) .0575(6) Uani d . 1 . C H16A .2186 .4240 .2691 .086 Uiso calc R 1 . H H16B .0297 .4396 .2761 .086 Uiso calc R 1 . H H16C .0863 .3214 .3348 .086 Uiso calc R 1 . H C17 .3474(3) .6899(3) .97289(18) .0491(5) Uani d . 1 . C C18 .3737(4) .6502(3) 1.0869(2) .0680(7) Uani d . 1 . C H18A .4913 .7090 1.1273 .102 Uiso calc R 1 . H H18B .3552 .5358 1.0682 .102 Uiso calc R 1 . H H18C .2918 .6799 1.1396 .102 Uiso calc R 1 . H 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 C15 O2 C2 118.29(16) C17 O4 C4 120.63(17) C6 C1 C2 116.96(18) C6 C1 C7 121.00(18) C2 C1 C7 121.86(18) C3 C2 O2 116.91(18) C3 C2 C1 121.89(18) O2 C2 C1 120.73(17) C2 C3 C4 118.92(19) C3 C4 C5 121.64(19) C3 C4 O4 120.9(2) C5 C4 O4 117.09(19) C4 C5 C6 118.39(19) C5 C6 C1 122.1(2) O1 C7 C1 121.71(19) O1 C7 C8 121.38(19) C1 C7 C8 116.90(17) C9 C8 C7 114.25(18) C14 C9 C10 118.2(2) C14 C9 C8 120.8(2) C10 C9 C8 120.9(2) C11 C10 C9 120.9(2) C12 C11 C10 119.8(2) C13 C12 C11 119.8(2) C12 C13 C14 120.4(2) C13 C14 C9 120.8(2) O3 C15 O2 122.41(18) O3 C15 C16 127.2(2) O2 C15 C16 110.38(19) O5 C17 O4 122.76(19) O5 C17 C18 126.7(2) O4 C17 C18 110.6(2) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag O1 C7 . 1.196(3) y O2 C15 . 1.358(3) y O2 C2 . 1.387(3) y O3 C15 . 1.188(3) y O4 C17 . 1.345(3) y O4 C4 . 1.388(3) y O5 C17 . 1.189(3) y C1 C6 . 1.387(3) ? C1 C2 . 1.389(3) ? C1 C7 . 1.483(3) ? C2 C3 . 1.365(3) ? C3 C4 . 1.369(3) ? C4 C5 . 1.370(3) ? C5 C6 . 1.371(3) ? C7 C8 . 1.504(3) ? C8 C9 . 1.493(3) ? C9 C14 . 1.370(3) ? C9 C10 . 1.375(3) ? C10 C11 . 1.373(4) ? C11 C12 . 1.364(4) ? C12 C13 . 1.358(4) ? C13 C14 . 1.369(3) ? C15 C16 . 1.475(3) ? C17 C18 . 1.473(3) ? 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 _geom_torsion_publ_flag C15 O2 C2 C3 106.3(2) y C15 O2 C2 C1 -81.5(2) y C6 C1 C2 C3 -2.5(3) ? C7 C1 C2 C3 172.68(18) ? C6 C1 C2 O2 -174.36(16) ? C7 C1 C2 O2 0.8(3) ? O2 C2 C3 C4 174.03(17) ? C1 C2 C3 C4 1.9(3) ? C2 C3 C4 C5 0.8(3) ? C2 C3 C4 O4 -172.30(18) ? C17 O4 C4 C3 -60.3(3) y C17 O4 C4 C5 126.3(2) ? C3 C4 C5 C6 -2.8(3) ? O4 C4 C5 C6 170.60(19) ? C4 C5 C6 C1 2.1(3) ? C2 C1 C6 C5 0.5(3) ? C7 C1 C6 C5 -174.8(2) ? C6 C1 C7 O1 -156.1(2) ? C2 C1 C7 O1 28.9(3) y C6 C1 C7 C8 24.9(3) ? C2 C1 C7 C8 -150.1(2) ? O1 C7 C8 C9 -15.0(3) y C1 C7 C8 C9 163.98(19) y C7 C8 C9 C14 91.5(3) ? C7 C8 C9 C10 -89.0(3) ? C14 C9 C10 C11 -1.4(3) ? C8 C9 C10 C11 179.00(19) ? C9 C10 C11 C12 1.1(3) ? C10 C11 C12 C13 0.2(3) ? C11 C12 C13 C14 -1.2(3) ? C12 C13 C14 C9 0.8(3) ? C10 C9 C14 C13 0.5(3) ? C8 C9 C14 C13 -179.97(19) ? C2 O2 C15 O3 -10.4(3) ? C2 O2 C15 C16 171.53(16) ? C4 O4 C17 O5 -3.6(3) ? C4 O4 C17 C18 175.9(2) ? loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 ChemSpider 789307 2 PubChem 902143