# Electronic Supplementary Material (ESI) for Organic and Biomolecular Chemistry # This journal is © The Royal Society of Chemistry 2011 data_global _journal_name_full Org.Biomol.Chem. _journal_coden_cambridge 0177 _publ_section_references ; Jacobson, R. (1998). REQAB. Version 1.1. Molecular Structure Corporation, The Woodlands, Texas, USA. Molecular Structure Corporation & Rigaku (2006). CrystalClear MSC, The Woodlands, Texas, USA, and Rigaku Corporation, Tokyo, Japan. Sheldrick, G. M. (2008). SHELXTL.Version 6.10 Acta Cryst. A64, 112-122. ; loop_ _publ_author_name J.D.Moody S.T.Iacono D.VanDerveer D.W. '.Smith Junior' _publ_contact_author_name 'Smith, Dennis W., Jr.' _publ_contact_author_email dwsmith@clemson.edu data_jm1 _database_code_depnum_ccdc_archive 'CCDC 656776' #TrackingRef '4428_web_deposit_cif_file_0_ScottIacono_1298927023.cif' _audit_creation_method SHELXL-97 _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety ? _chemical_formula_sum 'C14 H8 Br2 F2 O2' _chemical_formula_weight 406.02 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' F F 0.0171 0.0103 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting Monoclinic _symmetry_space_group_name_H-M P2(1)/c 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' _cell_length_a 4.0930(8) _cell_length_b 5.6694(11) _cell_length_c 28.901(6) _cell_angle_alpha 90.00 _cell_angle_beta 91.42(3) _cell_angle_gamma 90.00 _cell_volume 670.4(2) _cell_formula_units_Z 2 _cell_measurement_temperature 153(2) _cell_measurement_reflns_used 1645 _cell_measurement_theta_min 3.6618 _cell_measurement_theta_max 25.9729 _exptl_crystal_description prism _exptl_crystal_colour colorless _exptl_crystal_size_max 0.25 _exptl_crystal_size_mid 0.16 _exptl_crystal_size_min 0.11 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 2.011 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 392 _exptl_absorpt_coefficient_mu 6.066 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_correction_T_min 0.3124 _exptl_absorpt_correction_T_max 0.5551 _exptl_absorpt_process_details 'Jacobson, R., (1998)' _exptl_special_details ; ? ; _diffrn_ambient_temperature 153(2) _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type MoK\a _diffrn_radiation_source 'Sealed Tube' _diffrn_radiation_monochromator 'Graphite Monochromator' _diffrn_radiation_detector CCD _diffrn_measurement_device ; Mercury CCD ; _diffrn_detector_area_resol_mean 14.6306 _diffrn_measurement_method omega _diffrn_reflns_reduction_process 'Lp corrections applied' _diffrn_measurement_details ; scan: Number of images: 260 Slice: -40.0000 - 90.0000 Image width: 0.5000 Exp time: 10.0000 Rotation axis: Omega Omega: 0.0000 Chi: 45.0000 Phi: 0.0000 XTD: 37.8844 2theta: 7.8422 scan: Number of images: 240 Slice: -30.0000 - 90.0000 Image width: 0.5000 Exp time: 10.0000 Rotation axis: Omega Omega: 0.0000 Chi: 45.0000 Phi: 90.0000 XTD: 37.8844 2theta: 7.8422 ; _diffrn_measurement_device_details ; AFC8: Eulerian 3 circle ; _diffrn_standards_number 0 _diffrn_standards_interval_count 0 _diffrn_standards_interval_time 0 _diffrn_standards_decay_% 0 _diffrn_reflns_number 3085 _diffrn_reflns_av_R_equivalents 0.0347 _diffrn_reflns_av_sigmaI/netI 0.0366 _diffrn_reflns_limit_h_min -3 _diffrn_reflns_limit_h_max 4 _diffrn_reflns_limit_k_min -5 _diffrn_reflns_limit_k_max 6 _diffrn_reflns_limit_l_min -32 _diffrn_reflns_limit_l_max 34 _diffrn_reflns_theta_min 3.66 _diffrn_reflns_theta_max 25.01 _reflns_number_total 1145 _reflns_number_gt 1049 _reflns_threshold_expression >2sigma(I) _computing_data_collection 'CrystalClear (Rigaku/MSC,2006)' _computing_cell_refinement 'CrystalClear (Rigaku/MSC,2006)' _computing_data_reduction 'CrystalClear (Rigaku/MSC,2006)' _computing_structure_solution 'SHELXTL 6.10 (Sheldrick,2008)' _computing_structure_refinement 'SHELXTL 6.10 (Sheldrick,2008)' _computing_molecular_graphics 'SHELXTL 6.10 (Sheldrick,2008)' _computing_publication_material 'SHELXTL 6.10 (Sheldrick,2008)' _refine_special_details ; Refinement of F^2^ against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F^2^, conventional R-factors R are based on F, with F set to zero for negative F^2^. The threshold expression of F^2^ > 2sigma(F^2^) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F^2^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme calc _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0263P)^2^+0.8403P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom _refine_ls_hydrogen_treatment constr _refine_ls_extinction_method none _refine_ls_extinction_coef ? _refine_ls_number_reflns 1145 _refine_ls_number_parameters 91 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0356 _refine_ls_R_factor_gt 0.0315 _refine_ls_wR_factor_ref 0.0688 _refine_ls_wR_factor_gt 0.0663 _refine_ls_goodness_of_fit_ref 1.118 _refine_ls_restrained_S_all 1.118 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 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 Br1 Br 0.40152(8) 0.14356(6) 0.209721(12) 0.02579(16) Uani 1 1 d . . . O1 O -0.1280(6) -0.5010(4) 0.05915(9) 0.0275(6) Uani 1 1 d . . . F1 F -0.2920(5) -0.2717(4) -0.00172(8) 0.0344(5) Uani 1 1 d . . . C1 C 0.2381(8) -0.0548(6) 0.16164(12) 0.0209(8) Uani 1 1 d . . . C2 C 0.2840(8) 0.0065(6) 0.11581(12) 0.0223(8) Uani 1 1 d . . . H2 H 0.3982 0.1490 0.1084 0.027 Uiso 1 1 calc R . . C3 C 0.1646(9) -0.1383(6) 0.08067(13) 0.0237(8) Uani 1 1 d . . . H3 H 0.1944 -0.0978 0.0488 0.028 Uiso 1 1 calc R . . C4 C 0.0014(8) -0.3427(6) 0.09251(12) 0.0204(8) Uani 1 1 d . . . C5 C -0.0488(8) -0.4052(6) 0.13786(12) 0.0230(8) Uani 1 1 d . . . H5 H -0.1651 -0.5470 0.1451 0.028 Uiso 1 1 calc R . . C6 C 0.0729(8) -0.2585(6) 0.17297(13) 0.0229(8) Uani 1 1 d . . . H6 H 0.0420 -0.2988 0.2048 0.027 Uiso 1 1 calc R . . C7 C -0.0929(9) -0.4466(6) 0.01432(13) 0.0260(8) Uani 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 Br1 0.0306(3) 0.0271(2) 0.0195(2) -0.00415(15) -0.00206(16) -0.00096(14) O1 0.0384(15) 0.0266(13) 0.0178(14) -0.0038(11) 0.0039(11) -0.0107(11) F1 0.0363(12) 0.0306(11) 0.0362(14) 0.0020(10) -0.0010(10) 0.0018(10) C1 0.0227(18) 0.0188(17) 0.0214(19) -0.0030(15) 0.0007(14) 0.0042(14) C2 0.0281(19) 0.0185(17) 0.020(2) 0.0028(15) -0.0004(15) -0.0018(14) C3 0.030(2) 0.0244(18) 0.0173(19) 0.0017(16) 0.0037(15) -0.0017(15) C4 0.0212(18) 0.0204(17) 0.0196(19) -0.0031(15) 0.0029(14) -0.0003(14) C5 0.0210(18) 0.0251(19) 0.023(2) 0.0024(16) 0.0029(15) -0.0038(14) C6 0.0269(19) 0.0251(18) 0.0168(19) 0.0023(16) 0.0020(14) 0.0037(15) C7 0.034(2) 0.0240(18) 0.0202(19) 0.0005(16) -0.0015(15) -0.0061(15) _geom_special_details ; All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag Br1 C1 1.896(4) . ? O1 C7 1.343(4) . ? O1 C4 1.411(4) . ? F1 C7 1.358(4) . ? C1 C6 1.382(5) . ? C1 C2 1.387(5) . ? C2 C3 1.385(5) . ? C2 H2 0.9600 . ? C3 C4 1.384(5) . ? C3 H3 0.9600 . ? C4 C5 1.378(5) . ? C5 C6 1.394(5) . ? C5 H5 0.9600 . ? C6 H6 0.9600 . ? C7 C7 1.289(7) 3_545 ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag C7 O1 C4 117.8(3) . . ? C6 C1 C2 121.0(3) . . ? C6 C1 Br1 119.2(3) . . ? C2 C1 Br1 119.9(3) . . ? C3 C2 C1 119.9(3) . . ? C3 C2 H2 120.1 . . ? C1 C2 H2 120.1 . . ? C4 C3 C2 118.6(3) . . ? C4 C3 H3 120.7 . . ? C2 C3 H3 120.7 . . ? C5 C4 C3 122.3(3) . . ? C5 C4 O1 115.1(3) . . ? C3 C4 O1 122.6(3) . . ? C4 C5 C6 118.7(3) . . ? C4 C5 H5 120.7 . . ? C6 C5 H5 120.7 . . ? C1 C6 C5 119.6(3) . . ? C1 C6 H6 120.2 . . ? C5 C6 H6 120.2 . . ? C7 C7 O1 126.2(5) 3_545 . ? C7 C7 F1 118.8(4) 3_545 . ? O1 C7 F1 114.8(3) . . ? _diffrn_measured_fraction_theta_max 0.971 _diffrn_reflns_theta_full 25.01 _diffrn_measured_fraction_theta_full 0.971 _refine_diff_density_max 0.727 _refine_diff_density_min -0.518 _refine_diff_density_rms 0.095 # Attachment '4429_web_deposit_cif_file_1_ScottIacono_1298927023.cif' _publ_section_references ; Jacobson, R. (1998). REQAB. Version 1.1. Molecular Structure Corporation, The Woodlands, Texas, USA. Molecular Structure Corporation & Rigaku (2006). CrystalClear MSC, The Woodlands, Texas, USA, and Rigaku Corporation, Tokyo, Japan. Sheldrick, G. M. (2008). SHELXTL.Version 6.10 Acta Cryst. A64, 112-122. ; data_jm2 _database_code_depnum_ccdc_archive 'CCDC 656777' #TrackingRef '4430_web_deposit_cif_file_2_ScottIacono_1298927023.cif' _audit_creation_method SHELXL-97 _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety ? _chemical_formula_sum 'C14 H9 Br2 F3 O2' _chemical_formula_weight 426.03 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' F F 0.0171 0.0103 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' Br Br -0.2901 2.4595 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting Monoclinic _symmetry_space_group_name_H-M P2(1)/c 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' _cell_length_a 12.711(3) _cell_length_b 4.8861(10) _cell_length_c 11.507(2) _cell_angle_alpha 90.00 _cell_angle_beta 96.33(3) _cell_angle_gamma 90.00 _cell_volume 710.3(2) _cell_formula_units_Z 2 _cell_measurement_temperature 153(2) _cell_measurement_reflns_used 2194 _cell_measurement_theta_min 3.5627 _cell_measurement_theta_max 26.4354 _exptl_crystal_description chip _exptl_crystal_colour colorless _exptl_crystal_size_max 0.67 _exptl_crystal_size_mid 0.62 _exptl_crystal_size_min 0.26 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 1.992 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 412 _exptl_absorpt_coefficient_mu 5.740 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_correction_T_min 0.1137 _exptl_absorpt_correction_T_max 0.3168 _exptl_absorpt_process_details 'Jacobson, R., (1998)' _exptl_special_details ; ? ; _diffrn_ambient_temperature 153(2) _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type MoK\a _diffrn_radiation_source 'Sealed Tube' _diffrn_radiation_monochromator 'Graphite Monochromator' _diffrn_radiation_detector CCD _diffrn_measurement_device ; Mercury CCD ; _diffrn_detector_area_resol_mean 14.6306 _diffrn_measurement_method omega _diffrn_reflns_reduction_process 'Lp corrections applied' _diffrn_measurement_details ; scan: Number of images: 260 Slice: -40.0000 - 90.0000 Image width: 0.5000 Exp time: 15.0000 Rotation axis: Omega Omega: 0.0000 Chi: 45.0000 Phi: 0.0000 XTD: 27.6256 2theta: -0.1262 scan: Number of images: 220 Slice: -30.0000 - 80.0000 Image width: 0.5000 Exp time: 15.0000 Rotation axis: Omega Omega: 0.0000 Chi: 45.0000 Phi: 90.0000 XTD: 27.6256 2theta: -0.1262 ; _diffrn_measurement_device_details ; AFC8: Eulerian 3 circle ; _diffrn_standards_number 0 _diffrn_standards_interval_count 0 _diffrn_standards_interval_time 0 _diffrn_standards_decay_% 0 _diffrn_reflns_number 4677 _diffrn_reflns_av_R_equivalents 0.0378 _diffrn_reflns_av_sigmaI/netI 0.0282 _diffrn_reflns_limit_h_min -15 _diffrn_reflns_limit_h_max 14 _diffrn_reflns_limit_k_min -5 _diffrn_reflns_limit_k_max 5 _diffrn_reflns_limit_l_min -13 _diffrn_reflns_limit_l_max 13 _diffrn_reflns_theta_min 3.56 _diffrn_reflns_theta_max 25.52 _reflns_number_total 1300 _reflns_number_gt 1211 _reflns_threshold_expression >2sigma(I) _computing_data_collection 'CrystalClear (Rigaku/MSC,2006)' _computing_cell_refinement 'CrystalClear (Rigaku/MSC,2006)' _computing_data_reduction 'CrystalClear (Rigaku/MSC,2006)' _computing_structure_solution 'SHELXTL 6.10 (Sheldrick,2008)' _computing_structure_refinement 'SHELXTL 6.10 (Sheldrick,2008)' _computing_molecular_graphics 'SHELXTL 6.10 (Sheldrick,2008)' _computing_publication_material 'SHELXTL 6.10 (Sheldrick,2008)' _refine_special_details ; Refinement of F^2^ against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F^2^, conventional R-factors R are based on F, with F set to zero for negative F^2^. The threshold expression of F^2^ > 2sigma(F^2^) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F^2^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme calc _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0457P)^2^+0.8265P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom _refine_ls_hydrogen_treatment constr _refine_ls_extinction_method none _refine_ls_extinction_coef ? _refine_ls_number_reflns 1300 _refine_ls_number_parameters 100 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.0346 _refine_ls_R_factor_gt 0.0325 _refine_ls_wR_factor_ref 0.0851 _refine_ls_wR_factor_gt 0.0833 _refine_ls_goodness_of_fit_ref 1.148 _refine_ls_restrained_S_all 1.148 _refine_ls_shift/su_max 0.001 _refine_ls_shift/su_mean 0.000 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 Br1 Br 0.93185(2) 0.07494(6) 0.82473(3) 0.02488(17) Uani 1 1 d . . . F1 F 0.5312(2) 1.0837(5) 0.8592(2) 0.0366(6) Uani 0.83 1 d P . . F2 F 0.4716(3) 0.7003(7) 0.9175(3) 0.0424(8) Uani 0.67 1 d P . . C1 C 0.8355(2) 0.3294(7) 0.8794(3) 0.0223(6) Uani 1 1 d . . . C2 C 0.7526(3) 0.4254(7) 0.8033(3) 0.0256(7) Uani 1 1 d . . . H2 H 0.7438 0.3650 0.7235 0.031 Uiso 1 1 calc R . . C3 C 0.6817(3) 0.6108(7) 0.8431(3) 0.0305(8) Uani 1 1 d . . . H3 H 0.6238 0.6812 0.7909 0.037 Uiso 1 1 calc R . . C4 C 0.6956(3) 0.6920(7) 0.9584(3) 0.0281(7) Uani 1 1 d . . . C5 C 0.7794(3) 0.5956(7) 1.0350(3) 0.0294(8) Uani 1 1 d . . . H5 H 0.7879 0.6542 1.1151 0.035 Uiso 1 1 calc R . . C6 C 0.8500(3) 0.4153(7) 0.9948(3) 0.0254(7) Uani 1 1 d . . . H6 H 0.9091 0.3491 1.0463 0.031 Uiso 1 1 calc R . . C7 C 0.5299(3) 0.9219(6) 0.9573(3) 0.0252(7) Uani 1 1 d . . . H7A H 0.4938 0.7533 0.9350 0.030 Uiso 0.32 1 d P . . H7B H 0.5307 1.0310 0.8861 0.030 Uiso 0.18 1 d P . . O1 O 0.6287(2) 0.8750(7) 1.0091(2) 0.0443(8) Uani 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 Br1 0.0248(2) 0.0272(2) 0.0231(2) 0.00009(11) 0.00453(14) 0.00410(11) F1 0.0411(15) 0.0377(15) 0.0313(14) 0.0079(10) 0.0050(11) 0.0070(11) F2 0.0379(18) 0.0392(19) 0.050(2) -0.0160(16) 0.0053(15) -0.0044(14) C1 0.0186(15) 0.0240(16) 0.0245(15) 0.0014(13) 0.0033(12) -0.0023(12) C2 0.0246(17) 0.0310(18) 0.0205(17) -0.0039(12) -0.0001(13) 0.0008(12) C3 0.0223(17) 0.0394(19) 0.0276(18) -0.0037(15) -0.0069(13) 0.0067(14) C4 0.0227(16) 0.0338(19) 0.0275(17) -0.0056(14) 0.0013(13) 0.0052(14) C5 0.0264(18) 0.036(2) 0.0243(18) -0.0021(14) -0.0048(14) 0.0079(14) C6 0.0224(17) 0.0310(18) 0.0219(16) 0.0027(12) -0.0020(13) 0.0053(12) C7 0.0195(16) 0.0268(18) 0.0280(17) -0.0010(13) -0.0034(13) 0.0012(12) O1 0.0262(14) 0.0660(19) 0.0380(15) -0.0216(14) -0.0093(11) 0.0218(13) _geom_special_details ; All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag Br1 C1 1.900(3) . ? F1 C7 1.381(4) . ? F1 H7B 0.404(2) . ? F2 C7 1.363(5) . ? F2 H7A 0.418(3) . ? C1 C2 1.376(5) . ? C1 C6 1.385(5) . ? C2 C3 1.391(5) . ? C2 H2 0.9600 . ? C3 C4 1.377(5) . ? C3 H3 0.9600 . ? C4 C5 1.388(5) . ? C4 O1 1.404(4) . ? C5 C6 1.374(5) . ? C5 H5 0.9600 . ? C6 H6 0.9600 . ? C7 O1 1.349(4) . ? C7 C7 1.513(7) 3_677 ? C7 H7A 0.964(3) . ? C7 H7B 0.979(3) . ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag C7 F1 H7B 4.7(3) . . ? C7 F2 H7A 14.6(4) . . ? C2 C1 C6 121.2(3) . . ? C2 C1 Br1 119.3(2) . . ? C6 C1 Br1 119.5(2) . . ? C1 C2 C3 119.5(3) . . ? C1 C2 H2 120.3 . . ? C3 C2 H2 120.3 . . ? C4 C3 C2 119.0(3) . . ? C4 C3 H3 120.5 . . ? C2 C3 H3 120.5 . . ? C3 C4 C5 121.5(3) . . ? C3 C4 O1 124.3(3) . . ? C5 C4 O1 114.2(3) . . ? C6 C5 C4 119.1(3) . . ? C6 C5 H5 120.4 . . ? C4 C5 H5 120.4 . . ? C5 C6 C1 119.6(3) . . ? C5 C6 H6 120.2 . . ? C1 C6 H6 120.2 . . ? O1 C7 F2 117.3(3) . . ? O1 C7 F1 111.4(3) . . ? F2 C7 F1 103.5(3) . . ? O1 C7 C7 108.0(3) . 3_677 ? F2 C7 C7 109.0(4) . 3_677 ? F1 C7 C7 107.1(3) . 3_677 ? O1 C7 H7A 111.5(3) . . ? F2 C7 H7A 6.27(16) . . ? F1 C7 H7A 108.6(3) . . ? C7 C7 H7A 110.2(4) 3_677 . ? O1 C7 H7B 111.5(3) . . ? F2 C7 H7B 101.9(3) . . ? F1 C7 H7B 1.93(12) . . ? C7 C7 H7B 108.7(3) 3_677 . ? H7A C7 H7B 106.9(3) . . ? C7 O1 C4 120.1(3) . . ? _diffrn_measured_fraction_theta_max 0.983 _diffrn_reflns_theta_full 25.52 _diffrn_measured_fraction_theta_full 0.983 _refine_diff_density_max 1.200 _refine_diff_density_min -0.538 _refine_diff_density_rms 0.102 data_jm3 _database_code_depnum_ccdc_archive 'CCDC 656778' #TrackingRef '4429_web_deposit_cif_file_1_ScottIacono_1298927023.cif' _audit_creation_method SHELXL-97 _chemical_name_systematic ; ? ; _chemical_name_common ? _chemical_melting_point ? _chemical_formula_moiety ? _chemical_formula_sum 'C16 H14 F2 O4' _chemical_formula_weight 308.27 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' F F 0.0171 0.0103 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _symmetry_cell_setting Orthorhombic _symmetry_space_group_name_H-M Pbca 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' '-x, -y, -z' 'x-1/2, y, -z-1/2' 'x, -y-1/2, z-1/2' '-x-1/2, y-1/2, z' _cell_length_a 10.434(2) _cell_length_b 7.7903(16) _cell_length_c 17.852(4) _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_volume 1451.0(5) _cell_formula_units_Z 4 _cell_measurement_temperature 153(2) _cell_measurement_reflns_used 2772 _cell_measurement_theta_min 3.0034 _cell_measurement_theta_max 26.3607 _exptl_crystal_description rod _exptl_crystal_colour colorless _exptl_crystal_size_max 0.48 _exptl_crystal_size_mid 0.17 _exptl_crystal_size_min 0.12 _exptl_crystal_density_meas ? _exptl_crystal_density_diffrn 1.411 _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 640 _exptl_absorpt_coefficient_mu 0.117 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_correction_T_min 0.9458 _exptl_absorpt_correction_T_max 0.9861 _exptl_absorpt_process_details 'Jacobson, R., (1998)' _exptl_special_details ; ? ; _diffrn_ambient_temperature 153(2) _diffrn_radiation_wavelength 0.71073 _diffrn_radiation_type MoK\a _diffrn_radiation_source 'Sealed Tube' _diffrn_radiation_monochromator 'Graphite Monochromator' _diffrn_radiation_detector CCD _diffrn_measurement_device ; Mercury CCD ; _diffrn_detector_area_resol_mean 14.6306 _diffrn_measurement_method omega _diffrn_reflns_reduction_process 'Lp corrections applied' _diffrn_measurement_details ; scan: Number of images: 260 Slice: -40.0000 - 90.0000 Image width: 0.5000 Exp time: 80.0000 Rotation axis: Omega Omega: 0.0000 Chi: 45.0000 Phi: 0.0000 XTD: 27.7129 2theta: -0.1763 scan: Number of images: 220 Slice: -30.0000 - 80.0000 Image width: 0.5000 Exp time: 80.0000 Rotation axis: Omega Omega: 0.0000 Chi: 45.0000 Phi: 90.0000 XTD: 27.7129 2theta: -0.1763 ; _diffrn_measurement_device_details ; AFC8: Eulerian 3 circle ; _diffrn_standards_number 0 _diffrn_standards_interval_count 0 _diffrn_standards_interval_time 0 _diffrn_standards_decay_% 0 _diffrn_reflns_number 8770 _diffrn_reflns_av_R_equivalents 0.0520 _diffrn_reflns_av_sigmaI/netI 0.0277 _diffrn_reflns_limit_h_min -12 _diffrn_reflns_limit_h_max 12 _diffrn_reflns_limit_k_min -8 _diffrn_reflns_limit_k_max 9 _diffrn_reflns_limit_l_min -18 _diffrn_reflns_limit_l_max 21 _diffrn_reflns_theta_min 3.00 _diffrn_reflns_theta_max 25.04 _reflns_number_total 1270 _reflns_number_gt 1032 _reflns_threshold_expression >2sigma(I) _computing_data_collection 'Bruker XSCANS' _computing_cell_refinement 'Bruker XSCANS' _computing_data_reduction 'Bruker SHELXTL' _computing_structure_solution 'SHELXS-97 (Sheldrick, 1990)' _computing_structure_refinement 'SHELXL-97 (Sheldrick, 1997)' _computing_molecular_graphics 'Bruker SHELXTL' _computing_publication_material 'Bruker SHELXTL' _refine_special_details ; Refinement of F^2^ against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F^2^, conventional R-factors R are based on F, with F set to zero for negative F^2^. The threshold expression of F^2^ > 2sigma(F^2^) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F^2^ are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger. ; _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_weighting_scheme calc _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.1431P)^2^+1.4540P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _atom_sites_solution_hydrogens geom _refine_ls_hydrogen_treatment constr _refine_ls_extinction_method SHELXL _refine_ls_extinction_coef ? _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_number_reflns 1270 _refine_ls_number_parameters 102 _refine_ls_number_restraints 0 _refine_ls_R_factor_all 0.1011 _refine_ls_R_factor_gt 0.0875 _refine_ls_wR_factor_ref 0.2567 _refine_ls_wR_factor_gt 0.2396 _refine_ls_goodness_of_fit_ref 1.086 _refine_ls_restrained_S_all 1.086 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 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 0.4066(3) 0.1559(3) 0.54999(14) 0.0571(9) Uani 1 1 d . . . O2 O 0.3397(3) 0.1629(3) 0.85712(14) 0.0561(9) Uani 1 1 d . . . C1 C 0.3657(3) 0.1538(3) 0.78168(18) 0.0421(9) Uani 1 1 d . . . C2 C 0.2801(3) 0.2409(4) 0.73563(19) 0.0454(9) Uani 1 1 d . . . H2 H 0.2091 0.3017 0.7573 0.054 Uiso 1 1 calc R . . C3 C 0.2966(3) 0.2402(4) 0.6593(2) 0.0478(10) Uani 1 1 d . . . H3 H 0.2382 0.3013 0.6275 0.057 Uiso 1 1 calc R . . C4 C 0.3982(3) 0.1505(4) 0.62889(18) 0.0421(9) Uani 1 1 d . . . C5 C 0.4840(3) 0.0643(4) 0.67354(18) 0.0432(9) Uani 1 1 d . . . H5 H 0.5545 0.0034 0.6515 0.052 Uiso 1 1 calc R . . C6 C 0.4681(3) 0.0659(4) 0.75047(18) 0.0419(9) Uani 1 1 d . . . H6 H 0.5277 0.0063 0.7821 0.050 Uiso 1 1 calc R . . C7 C 0.4974(5) 0.0663(7) 0.5164(2) 0.0837(17) Uani 1 1 d . . . C8 C 0.4112(4) 0.0544(5) 0.9051(2) 0.0632(11) Uani 1 1 d . . . H8A H 0.4036 -0.0623 0.8884 0.095 Uiso 1 1 calc R . . H8B H 0.3788 0.0638 0.9553 0.095 Uiso 1 1 calc R . . H8C H 0.4997 0.0880 0.9042 0.095 Uiso 1 1 calc R . . F1 F 0.6186(3) 0.1557(4) 0.50969(19) 0.0984(12) Uani 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 0.0651(16) 0.0559(15) 0.0502(15) 0.0029(11) 0.0030(11) 0.0190(12) O2 0.0671(17) 0.0471(14) 0.0542(16) -0.0053(10) 0.0135(12) 0.0074(11) C1 0.0449(17) 0.0305(15) 0.0509(19) -0.0055(12) 0.0096(13) -0.0046(12) C2 0.0414(16) 0.0333(15) 0.062(2) -0.0048(14) 0.0073(13) 0.0021(12) C3 0.0422(17) 0.0337(16) 0.068(2) -0.0002(14) 0.0002(14) 0.0045(13) C4 0.0442(17) 0.0355(16) 0.0466(18) 0.0005(12) 0.0039(13) 0.0022(12) C5 0.0407(16) 0.0392(16) 0.0496(18) -0.0009(13) 0.0054(13) 0.0039(12) C6 0.0423(16) 0.0344(15) 0.0492(18) -0.0008(12) 0.0031(13) -0.0003(12) C7 0.107(4) 0.090(3) 0.053(2) 0.005(2) 0.001(2) 0.049(3) C8 0.078(3) 0.065(2) 0.046(2) -0.0056(17) 0.0008(17) 0.006(2) F1 0.0727(18) 0.092(2) 0.130(3) 0.0228(17) -0.0160(15) -0.0363(15) _geom_special_details ; All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds involving l.s. planes. ; loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 _geom_bond_publ_flag O1 C7 1.321(5) . ? O1 C4 1.412(4) . ? O2 C1 1.375(4) . ? O2 C8 1.416(5) . ? C1 C6 1.387(4) . ? C1 C2 1.391(5) . ? C2 C3 1.373(5) . ? C2 H2 0.9600 . ? C3 C4 1.381(4) . ? C3 H3 0.9600 . ? C4 C5 1.373(5) . ? C5 C6 1.383(5) . ? C5 H5 0.9600 . ? C6 H6 0.9600 . ? C7 C7 1.189(10) 5_656 ? C7 F1 1.449(7) . ? C8 H8A 0.9599 . ? C8 H8B 0.9599 . ? C8 H8C 0.9599 . ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle_publ_flag C7 O1 C4 118.7(3) . . ? C1 O2 C8 117.3(3) . . ? O2 C1 C6 124.8(3) . . ? O2 C1 C2 115.3(3) . . ? C6 C1 C2 119.9(3) . . ? C3 C2 C1 120.2(3) . . ? C3 C2 H2 119.9 . . ? C1 C2 H2 119.9 . . ? C2 C3 C4 119.3(3) . . ? C2 C3 H3 120.4 . . ? C4 C3 H3 120.4 . . ? C5 C4 C3 121.3(3) . . ? C5 C4 O1 123.6(3) . . ? C3 C4 O1 115.1(3) . . ? C4 C5 C6 119.6(3) . . ? C4 C5 H5 120.2 . . ? C6 C5 H5 120.2 . . ? C5 C6 C1 119.7(3) . . ? C5 C6 H6 120.2 . . ? C1 C6 H6 120.2 . . ? C7 C7 O1 135.7(8) 5_656 . ? C7 C7 F1 109.7(6) 5_656 . ? O1 C7 F1 114.2(4) . . ? O2 C8 H8A 109.5 . . ? O2 C8 H8B 109.5 . . ? H8A C8 H8B 109.5 . . ? O2 C8 H8C 109.5 . . ? H8A C8 H8C 109.5 . . ? H8B C8 H8C 109.5 . . ? _diffrn_measured_fraction_theta_max 0.987 _diffrn_reflns_theta_full 25.04 _diffrn_measured_fraction_theta_full 0.987 _refine_diff_density_max 0.697 _refine_diff_density_min -0.533 _refine_diff_density_rms 0.066 # Attachment '4430_web_deposit_cif_file_2_ScottIacono_1298927023.cif' _publ_section_references ; Jacobson, R. (1998). REQAB. Version 1.1. Molecular Structure Corporation, The Woodlands, Texas, USA. Molecular Structure Corporation & Rigaku (2006). CrystalClear MSC, The Woodlands, Texas, USA, and Rigaku Corporation, Tokyo, Japan. Sheldrick, G. M. (2008). SHELXTL.Version 6.10 Acta Cryst. A64, 112-122. ;