#------------------------------------------------------------------------------ #$Date: 2016-02-19 14:29:56 +0000 (Fri, 19 Feb 2016) $ #$Revision: 176759 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/85/2008548.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_2008548 loop_ _publ_author_name 'Muneer, M. ' 'Ramaiah, D.' ' Ajitkumar, E. S.' 'Sajimon, M. C. ' 'Rath, Nigam P.' 'George, M. V.' _publ_section_title ; Regioselectivity in dibenzobarrelene photorearrangements: photoproducts derived from 9-substituted-dibenzobarrelenes ; _journal_issue 6 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first 996 _journal_page_last 1000 _journal_paper_doi 10.1107/S0108270199000487 _journal_volume 55 _journal_year 1999 _chemical_formula_moiety 'C31 H20 O3' _chemical_formula_sum 'C31 H20 O3' _chemical_formula_weight 440.47 _chemical_name_systematic ; 8b,8c-dibenzoyl-4b,8b,8c,8d-tetrahydrodibenzo[a,f]cyclopropa[cd]pentalene-4b -carbaldehyde ; _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' _audit_creation_method SHELXL97 _cell_angle_alpha 90.00 _cell_angle_beta 93.117(6) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 8.7836(6) _cell_length_b 16.5431(13) _cell_length_c 15.5118(11) _cell_measurement_reflns_used 33 _cell_measurement_temperature 298(2) _cell_measurement_theta_max 27.12 _cell_measurement_theta_min 5.36 _cell_volume 2250.7(3) _computing_cell_refinement XSCANS _computing_data_collection 'XSCANS (Siemens, 1994b)' _computing_data_reduction 'SHELXTL (Siemens, 1994a)' _computing_molecular_graphics SHELXTL _computing_publication_material SHELXTL _computing_structure_refinement SHELX98 _computing_structure_solution 'SHELX98 (Sheldrick, 1998)' _diffrn_ambient_temperature 298(2) _diffrn_measured_fraction_theta_full 0.916 _diffrn_measured_fraction_theta_max 0.916 _diffrn_measurement_device_type 'Bruker P4' _diffrn_measurement_method '2\q/\w scans' _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'normal-focus sealed tube' _diffrn_radiation_type CuK\a _diffrn_radiation_wavelength 1.54178 _diffrn_reflns_av_R_equivalents 0.07 _diffrn_reflns_av_sigmaI/netI 0.035 _diffrn_reflns_limit_h_max 10 _diffrn_reflns_limit_h_min -10 _diffrn_reflns_limit_k_max 19 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 16 _diffrn_reflns_limit_l_min 0 _diffrn_reflns_number 7774 _diffrn_reflns_theta_full 66.98 _diffrn_reflns_theta_max 66.98 _diffrn_reflns_theta_min 3.91 _diffrn_standards_decay_% 2.3 _diffrn_standards_interval_count 97 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.660 _exptl_absorpt_correction_type none _exptl_crystal_colour colorless _exptl_crystal_density_diffrn 1.300 _exptl_crystal_density_meas ? _exptl_crystal_density_method 'not measured' _exptl_crystal_description rectangular _exptl_crystal_F_000 920 _exptl_crystal_size_max 0.41 _exptl_crystal_size_mid 0.33 _exptl_crystal_size_min 0.15 _refine_diff_density_max 0.178 _refine_diff_density_min -0.210 _refine_ls_extinction_coef 0.0064(6) _refine_ls_extinction_method 'SHELXTL (Sheldrick, 1998)' _refine_ls_goodness_of_fit_ref 1.073 _refine_ls_hydrogen_treatment noref _refine_ls_matrix_type full _refine_ls_number_parameters 308 _refine_ls_number_reflns 3677 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.073 _refine_ls_R_factor_all 0.078 _refine_ls_R_factor_gt 0.057 _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^)+(0.0857P)^2^+0.8370P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_ref 0.175 _reflns_number_gt 2593 _reflns_number_total 3677 _reflns_threshold_expression I>2\s(I) _cod_data_source_file da1047.cif _cod_data_source_block 2a _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' 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 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 ; _cod_original_sg_symbol_H-M 'P 21/n' _cod_database_code 2008548 _cod_database_fobs_code 2008548 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_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_disorder_assembly _atom_site_disorder_group _atom_site_type_symbol O1 .7252(3) .69231(17) .2287(2) .1208(11) Uani d . 1 . . O O2 .5038(2) .98161(11) .12695(12) .0672(5) Uani d . 1 . . O O3 .1765(2) .91874(12) .18425(12) .0707(6) Uani d . 1 . . O C1 .1333(3) .69672(17) .13498(17) .0621(7) Uani d . 1 . . C H1A .0419 .7216 .1174 .075 Uiso calc R 1 . . H C2 .1336(4) .61976(19) .1682(2) .0772(9) Uani d . 1 . . C H2A .0418 .5929 .1742 .093 Uiso calc R 1 . . H C3 .2693(5) .58183(18) .1928(2) .0806(10) Uani d . 1 . . C H3A .2678 .5296 .2148 .097 Uiso calc R 1 . . H C4 .4086(4) .62103(17) .18493(18) .0708(8) Uani d . 1 . . C H4A .5000 .5949 .2000 .085 Uiso calc R 1 . . H C4A .4080(3) .69955(15) .15433(15) .0544(6) Uani d . 1 . . C C4B .5404(3) .75470(15) .13252(16) .0539(6) Uani d . 1 . . C C4C .5709(3) .73046(16) .03871(17) .0572(7) Uani d . 1 . . C C5 .6564(3) .66683(19) .0103(2) .0738(8) Uani d . 1 . . C H5A .7154 .6356 .0491 .089 Uiso calc R 1 . . H C6 .6525(4) .6505(2) -.0776(2) .0862(10) Uani d . 1 . . C H6A .7102 .6081 -.0980 .103 Uiso calc R 1 . . H C7 .5639(4) .6964(2) -.1345(2) .0855(10) Uani d . 1 . . C H7A .5616 .6841 -.1931 .103 Uiso calc R 1 . . H C8 .4778(3) .7607(2) -.10673(19) .0704(8) Uani d . 1 . . C H8A .4194 .7918 -.1460 .085 Uiso calc R 1 . . H C8A .4809(3) .77747(16) -.01908(16) .0547(6) Uani d . 1 . . C C8B .4048(3) .84186(15) .02719(15) .0510(6) Uani d . 1 . . C H8BA .3933 .8946 -.0011 .061 Uiso calc R 1 . . H C8C .4656(3) .84024(14) .12035(15) .0490(6) Uani d . 1 . . C C8D .2969(3) .82162(14) .09951(15) .0472(6) Uani d . 1 . . C C8E .2704(3) .73693(14) .12799(15) .0502(6) Uani d . 1 . . C C9 .6878(4) .7497(2) .1862(2) .0735(8) Uani d . 1 . . C H9A .7534 .7939 .1863 .088 Uiso calc R 1 . . H C10 .5139(3) .91743(15) .16505(17) .0527(6) Uani d . 1 . . C C11 .5750(3) .91387(15) .25655(16) .0532(6) Uani d . 1 . . C C12 .6936(3) .96535(18) .28299(19) .0674(8) Uani d . 1 . . C H12A .7328 1.0016 .2441 .081 Uiso calc R 1 . . H C13 .7534(4) .9625(2) .3673(2) .0800(9) Uani d . 1 . . C H13A .8362 .9949 .3844 .096 Uiso calc R 1 . . H C14 .6906(4) .9120(2) .4256(2) .0829(10) Uani d . 1 . . C H14A .7294 .9111 .4826 .100 Uiso calc R 1 . . H C15 .5702(4) .8626(2) .4002(2) .0802(9) Uani d . 1 . . C H15A .5270 .8290 .4402 .096 Uiso calc R 1 . . H C16 .5135(3) .86269(18) .31541(18) .0651(7) Uani d . 1 . . C H16A .4339 .8282 .2981 .078 Uiso calc R 1 . . H C17 .1720(3) .88032(14) .11736(16) .0515(6) Uani d . 1 . . C C18 .0414(3) .88555(14) .05279(16) .0523(6) Uani d . 1 . . C C19 .0407(3) .84523(17) -.02576(18) .0627(7) Uani d . 1 . . C H19A .1239 .8135 -.0386 .075 Uiso calc R 1 . . H C20 -.0815(3) .85145(19) -.0851(2) .0749(9) Uani d . 1 . . C H20A -.0796 .8243 -.1375 .090 Uiso calc R 1 . . H C21 -.2052(4) .8973(2) -.0671(2) .0753(9) Uani d . 1 . . C H21A -.2873 .9016 -.1073 .090 Uiso calc R 1 . . H C22 -.2077(3) .93670(19) .0097(2) .0739(9) Uani d . 1 . . C H22A -.2926 .9674 .0219 .089 Uiso calc R 1 . . H C23 -.0857(3) .93198(16) .07051(19) .0627(7) Uani d . 1 . . C H23A -.0888 .9596 .1226 .075 Uiso calc R 1 . . H 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 .128(2) .0941(18) .133(2) .0238(16) -.0645(19) .0087(17) O2 .0845(13) .0498(11) .0674(12) .0006(9) .0032(10) .0045(9) O3 .0822(13) .0705(13) .0597(12) .0095(10) .0082(10) -.0167(10) C1 .0708(16) .0564(16) .0598(17) -.0064(13) .0104(13) .0022(12) C2 .098(2) .0621(18) .073(2) -.0178(17) .0150(17) .0087(15) C3 .126(3) .0495(16) .066(2) -.0080(18) .0092(19) .0100(14) C4 .103(2) .0518(16) .0565(17) .0151(16) -.0016(15) .0054(13) C4A .0761(16) .0456(13) .0414(13) .0080(12) .0018(11) -.0008(10) C4B .0586(14) .0511(14) .0515(15) .0123(11) -.0025(11) -.0029(11) C4C .0581(14) .0574(15) .0566(16) .0049(12) .0091(12) -.0075(12) C5 .0678(17) .0664(18) .089(2) .0097(14) .0153(15) -.0124(16) C6 .085(2) .090(2) .087(2) .0034(19) .0311(19) -.030(2) C7 .089(2) .105(3) .065(2) -.009(2) .0258(18) -.0276(19) C8 .0691(17) .090(2) .0529(17) -.0070(16) .0098(13) -.0081(15) C8A .0545(13) .0612(15) .0490(15) -.0024(12) .0086(11) -.0038(12) C8B .0562(13) .0515(14) .0456(14) .0023(11) .0047(11) .0039(11) C8C .0502(12) .0460(13) .0504(14) .0038(10) .0009(10) -.0020(10) C8D .0513(12) .0448(13) .0455(13) .0024(10) .0033(10) -.0007(10) C8E .0637(14) .0455(13) .0417(13) .0010(11) .0048(10) -.0021(10) C9 .0733(18) .0690(19) .076(2) .0190(15) -.0164(15) -.0130(16) C10 .0538(13) .0490(14) .0557(15) .0017(11) .0069(11) -.0018(11) C11 .0623(14) .0487(14) .0489(15) -.0003(11) .0054(11) -.0051(11) C12 .0749(18) .0640(17) .0638(18) -.0132(14) .0076(14) -.0083(14) C13 .087(2) .081(2) .071(2) -.0159(17) -.0078(16) -.0123(17) C14 .104(2) .086(2) .0573(19) -.006(2) -.0104(17) -.0042(16) C15 .104(2) .078(2) .0585(19) -.0121(19) .0013(17) .0060(15) C16 .0744(17) .0643(17) .0563(17) -.0089(14) .0013(13) .0009(13) C17 .0602(14) .0432(13) .0521(15) .0009(11) .0115(11) .0011(11) C18 .0525(13) .0439(13) .0611(16) .0046(11) .0088(11) .0072(11) C19 .0612(15) .0630(17) .0634(17) .0088(13) -.0021(12) -.0044(13) C20 .0716(18) .076(2) .075(2) .0038(16) -.0122(15) -.0004(16) C21 .0623(17) .076(2) .087(2) -.0045(15) -.0082(15) .0208(18) C22 .0519(15) .0690(19) .102(3) .0097(13) .0171(15) .0340(18) C23 .0642(16) .0561(15) .0700(18) .0086(13) .0233(13) .0139(13) loop_ _atom_type_symbol _atom_type_description _atom_type_scat_dispersion_real _atom_type_scat_dispersion_imag _atom_type_scat_source C C 0.0181 0.0091 '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 0.0492 0.0322 '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 C2 C1 C8E 119.4(3) C1 C2 C3 120.6(3) C2 C3 C4 120.8(3) C4A C4 C3 118.6(3) C4 C4A C8E 120.2(3) C4 C4A C4B 130.3(3) C8E C4A C4B 109.1(2) C9 C4B C4A 119.1(2) C9 C4B C4C 108.6(2) C4A C4B C4C 103.0(2) C9 C4B C8C 117.3(2) C4A C4B C8C 104.24(19) C4C C4B C8C 102.33(19) C5 C4C C8A 121.2(3) C5 C4C C4B 128.6(3) C8A C4C C4B 109.8(2) C4C C5 C6 118.6(3) C7 C6 C5 120.4(3) C6 C7 C8 121.6(3) C8A C8 C7 118.4(3) C8 C8A C4C 119.9(3) C8 C8A C8B 129.8(3) C4C C8A C8B 110.3(2) C8A C8B C8C 107.9(2) C8A C8B C8D 120.8(2) C8C C8B C8D 60.08(15) C10 C8C C8B 120.1(2) C10 C8C C8D 120.9(2) C8B C8C C8D 60.98(15) C10 C8C C4B 127.3(2) C8B C8C C4B 104.77(19) C8D C8C C4B 103.81(19) C8E C8D C17 115.2(2) C8E C8D C8C 106.93(19) C17 C8D C8C 122.6(2) C8E C8D C8B 122.1(2) C17 C8D C8B 118.5(2) C8C C8D C8B 58.95(15) C1 C8E C4A 120.4(2) C1 C8E C8D 128.7(2) C4A C8E C8D 110.8(2) O1 C9 C4B 123.6(3) O2 C10 C11 120.7(2) O2 C10 C8C 120.4(2) C11 C10 C8C 118.9(2) C16 C11 C12 119.7(2) C16 C11 C10 121.4(2) C12 C11 C10 118.8(2) C13 C12 C11 119.8(3) C14 C13 C12 120.0(3) C13 C14 C15 120.2(3) C14 C15 C16 120.3(3) C11 C16 C15 119.9(3) O3 C17 C18 122.3(2) O3 C17 C8D 120.3(2) C18 C17 C8D 117.3(2) C19 C18 C23 118.2(3) C19 C18 C17 122.0(2) C23 C18 C17 119.8(2) C20 C19 C18 121.0(3) C21 C20 C19 120.3(3) C22 C21 C20 119.7(3) C21 C22 C23 121.2(3) C22 C23 C18 119.5(3) 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 C9 . 1.192(4) ? O2 C10 . 1.216(3) ? O3 C17 . 1.216(3) ? C1 C2 . 1.373(4) ? C1 C8E . 1.385(3) ? C2 C3 . 1.382(5) ? C3 C4 . 1.396(5) ? C4 C4A . 1.383(4) ? C4A C8E . 1.399(3) ? C4A C4B . 1.530(4) ? C4B C9 . 1.503(4) ? C4B C4C . 1.547(4) ? C4B C8C . 1.567(3) ? C4C C5 . 1.379(4) ? C4C C8A . 1.398(4) ? C5 C6 . 1.388(5) ? C6 C7 . 1.375(5) ? C7 C8 . 1.387(5) ? C8 C8A . 1.386(4) ? C8A C8B . 1.466(3) ? C8B C8C . 1.513(3) ? C8B C8D . 1.545(3) ? C8C C10 . 1.503(3) ? C8C C8D . 1.531(3) ? C8D C8E . 1.491(3) ? C8D C17 . 1.502(3) ? C10 C11 . 1.491(4) ? C11 C16 . 1.377(4) ? C11 C12 . 1.390(4) ? C12 C13 . 1.383(4) ? C13 C14 . 1.369(5) ? C14 C15 . 1.377(5) ? C15 C16 . 1.380(4) ? C17 C18 . 1.484(4) ? C18 C19 . 1.389(4) ? C18 C23 . 1.394(3) ? C19 C20 . 1.379(4) ? C20 C21 . 1.366(4) ? C21 C22 . 1.360(5) ? C22 C23 . 1.391(4) ?