#------------------------------------------------------------------------------ #$Date: 2025-08-18 23:52:38 +0100 (Mon, 18 Aug 2025) $ #$Revision: 301791 $ #$URL: svn://www.crystallography.net/cod/cif/2/00/70/2007034.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_2007034 loop_ _publ_author_name 'Kandasamy Chinnakali' 'Hoong-Kun Fun' 'Kamaraj Sriraghavan' 'Vayalakkavoor T.Ramakrishnan' _publ_section_title 8-(2-Bromo-4-methylanilino)-9-hydroxy-4-methyl-7,8,9,10-tetrahydro-7,8-benzocoumarin _journal_issue 2 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first IUC9800003 _journal_paper_doi 10.1107/S010827019809982X _journal_volume 54 _journal_year 1998 _chemical_formula_moiety 'C21 H20 Br N O3' _chemical_formula_sum 'C21 H20 Br N O3' _chemical_formula_weight 414.29 _chemical_name_systematic ; 8-(2-Bromo-4-methylanilino)-9-hydroxy-4-methyl-7,8,9,10-tetrahydro-7,8- benzocoumarin ; _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' _audit_creation_method SHELXL _cell_angle_alpha 90.00 _cell_angle_beta 97.204(10) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 19.8970(18) _cell_length_b 11.878(2) _cell_length_c 8.0208(12) _cell_measurement_reflns_used 43 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 12.573 _cell_measurement_theta_min 5.455 _cell_volume 1880.6(5) _computing_cell_refinement 'XSCANS (Siemens, 1994)' _computing_data_collection 'XSCANS (Siemens, 1994)' _computing_data_reduction 'XSCANS (Siemens, 1994)' _computing_molecular_graphics 'SHELXTL-PC (Sheldrick, 1990)' _computing_publication_material ; SHELXL-93 (Sheldrick, 1993) PARST (Nardelli, 1995) ; _computing_structure_refinement 'SHELXL-93 (Sheldrick, 1993)' _computing_structure_solution 'SHELXTL-PC (Sheldrick, 1990)' _diffrn_ambient_temperature 293(2) _diffrn_measurement_device 'Siemens P4 diffractometer' _diffrn_measurement_method '\q/2\q 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 0.0260 _diffrn_reflns_av_sigmaI/netI 0.0751 _diffrn_reflns_limit_h_max 25 _diffrn_reflns_limit_h_min -25 _diffrn_reflns_limit_k_max 1 _diffrn_reflns_limit_k_min -15 _diffrn_reflns_limit_l_max 10 _diffrn_reflns_limit_l_min -1 _diffrn_reflns_number 5654 _diffrn_reflns_theta_max 27.51 _diffrn_reflns_theta_min 2.00 _diffrn_standards_decay_% <3 _diffrn_standards_interval_count 97 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 2.206 _exptl_absorpt_correction_T_max 0.432 _exptl_absorpt_correction_T_min 0.296 _exptl_absorpt_correction_type 'empirical \y scans (Siemens, 1994)' _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.463 _exptl_crystal_density_meas ? _exptl_crystal_description Parallelepiped _exptl_crystal_F_000 848 _exptl_crystal_size_max 0.64 _exptl_crystal_size_mid 0.42 _exptl_crystal_size_min 0.38 _refine_diff_density_max 0.514 _refine_diff_density_min -0.501 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_all 0.833 _refine_ls_goodness_of_fit_obs 1.126 _refine_ls_hydrogen_treatment refall _refine_ls_matrix_type full _refine_ls_number_parameters 304 _refine_ls_number_reflns 4282 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 0.849 _refine_ls_restrained_S_obs 1.126 _refine_ls_R_factor_all 0.1175 _refine_ls_R_factor_obs .0437 _refine_ls_shift/esd_max 0.000 _refine_ls_shift/esd_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)+(0.0597P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.1225 _refine_ls_wR_factor_obs .1026 _reflns_number_observed 1879 _reflns_number_total 4284 _reflns_observed_criterion >2sigma(I) _cod_data_source_file qa0031.cif _cod_data_source_block I _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^)+(0.0597P)^2^+0.0000P] 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^)+(0.0597P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_sg_symbol_H-M 'P 21/c' _cod_database_code 2007034 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_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 Br .0900(3) .0405(2) .1589(5) -.0013(2) .0340(3) .0108(3) O1 .0446(11) .0376(11) .093(2) -.0084(10) .0148(12) .0013(13) C2 .053(2) .049(2) .090(3) -.012(2) .006(2) .002(2) C3 .063(2) .041(2) .109(4) -.017(2) .013(2) .008(2) C4 .067(2) .034(2) .076(3) -.005(2) -.002(2) .001(2) C5 .057(2) .037(2) .107(3) .009(2) .013(2) -.004(2) C6 .047(2) .045(2) .098(3) .003(2) .016(2) -.007(2) C7 .044(2) .038(2) .065(2) .0012(14) .007(2) .000(2) C8 .041(2) .0362(15) .061(2) .0004(12) .003(2) -.001(2) C9 .040(2) .041(2) .065(2) -.0028(14) .005(2) .001(2) C10 .053(2) .037(2) .070(3) -.0028(15) -.002(2) .003(2) O11 .0538(14) .0572(15) .163(3) -.0104(12) .040(2) .004(2) C12 .084(3) .031(2) .122(5) -.003(2) .013(4) .002(3) C13 .047(2) .045(2) .078(3) -.003(2) .017(2) -.002(2) C14 .045(2) .037(2) .070(3) -.0032(13) .014(2) .005(2) C15 .047(2) .035(2) .065(3) -.0020(14) .010(2) -.004(2) C16 .041(2) .0332(15) .077(3) -.0012(14) .011(2) -.001(2) O17 .0547(15) .0337(12) .117(2) .0019(11) .027(2) -.0020(13) N18 .050(2) .0388(14) .072(2) -.0085(13) .017(2) .001(2) C19 .047(2) .047(2) .055(2) -.005(2) .019(2) -.009(2) C20 .052(2) .054(2) .077(3) -.014(2) .018(2) .003(2) C21 .053(2) .083(3) .073(3) -.004(2) .008(2) .005(3) C22 .051(2) .095(3) .089(3) -.021(2) .011(2) -.012(3) C23 .067(3) .063(2) .108(4) -.026(2) .035(3) -.018(3) C24 .056(2) .042(2) .087(3) -.009(2) .025(2) -.008(2) C25 .066(3) .147(5) .147(5) -.043(3) .005(3) -.029(4) 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 Br .16979(2) -.03046(3) .49627(7) .0949(2) Uani d . 1 . Br O1 .43772(10) .5801(2) .3165(3) .0578(6) Uani d . 1 . O C2 .4790(2) .6676(3) .2841(5) .0639(10) Uani d . 1 . C C3 .4552(2) .7801(3) .3107(6) .0709(12) Uani d . 1 . C C4 .3949(2) .8017(3) .3631(5) .0601(10) Uani d . 1 . C C5 .2879(2) .7170(3) .4485(6) .0671(11) Uani d . 1 . C C6 .2507(2) .6245(3) .4734(5) .0629(11) Uani d . 1 . C C7 .27412(15) .5157(3) .4471(4) .0492(8) Uani d . 1 . C C8 .33778(14) .5022(2) .3938(4) .0464(8) Uani d . 1 . C C9 .37494(14) .5985(3) .3702(4) .0491(8) Uani d . 1 . C C10 .3521(2) .7074(3) .3946(5) .0542(9) Uani d . 1 . C O11 .53234(12) .6414(2) .2363(4) .0892(9) Uani d . 1 . O C12 .3716(3) .9207(3) .3846(9) .0790(15) Uani d . 1 . C C13 .2307(2) .4156(3) .4773(6) .0560(10) Uani d . 1 . C C14 .2504(2) .3118(3) .3811(5) .0499(9) Uani d . 1 . C C15 .3261(2) .2936(3) .4325(5) .0487(8) Uani d . 1 . C C16 .3656(2) .3871(3) .3608(6) .0501(9) Uani d . 1 . C O17 .34392(13) .1852(2) .3763(4) .0671(8) Uani d . 1 . O N18 .21404(14) .2105(2) .4234(4) .0527(7) Uani d . 1 . N C19 .1494(2) .1872(3) .3460(4) .0485(8) Uani d . 1 . C C20 .1094(2) .2650(3) .2503(5) .0600(10) Uani d . 1 . C C21 .0440(2) .2408(4) .1783(6) .0697(11) Uani d . 1 . C C22 .0150(2) .1368(4) .1997(6) .0781(12) Uani d . 1 . C C23 .0534(2) .0581(4) .2972(6) .0770(13) Uani d . 1 . C C24 .1192(2) .0821(3) .3671(5) .0605(10) Uani d . 1 . C C25 -.0573(2) .1112(5) .1225(7) .120(2) Uani d . 1 . C H25A -.0653(7) .0316(6) .126(5) .181 Uiso calc R 1 . H H25B -.0638(6) .136(3) .0078(17) .181 Uiso calc R 1 . H H25C -.0886(2) .150(3) .185(3) .181 Uiso calc R 1 . H H3 .487(2) .838(4) .295(5) .107(15) Uiso d . 1 . H H5 .2701(16) .792(3) .464(4) .072(11) Uiso d . 1 . H H6 .2117(16) .633(3) .520(4) .062(10) Uiso d . 1 . H H12A .324(3) .937(4) .295(6) .123(16) Uiso d . 1 . H H12B .402(2) .957(4) .361(6) .090(16) Uiso d . 1 . H H12C .359(2) .937(4) .491(6) .091(17) Uiso d . 1 . H H13A .2336(18) .406(3) .586(5) .073(14) Uiso d . 1 . H H13B .178(2) .439(4) .435(5) .109(14) Uiso d . 1 . H H14 .2452(14) .324(3) .261(4) .049(9) Uiso d . 1 . H H15 .3360(14) .297(3) .556(4) .051(10) Uiso d . 1 . H H16A .4123(17) .382(3) .411(4) .061(10) Uiso d . 1 . H H16B .3618(15) .375(3) .233(5) .062(11) Uiso d . 1 . H H17 .382(2) .179(4) .363(6) .105(17) Uiso d . 1 . H H18 .2394(15) .154(3) .436(4) .053(10) Uiso d . 1 . H H20 .1279(15) .320(3) .222(4) .045(9) Uiso d . 1 . H H21 .0247(16) .287(3) .089(4) .059(11) Uiso d . 1 . H H23 .030(2) -.005(4) .320(6) .100(14) Uiso d . 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' N N 0.0061 0.0033 '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' Br Br -0.2901 2.4595 '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 _geom_angle_publ_flag C2 O1 C9 121.6(3) ? O11 C2 O1 115.7(3) yes O11 C2 C3 126.9(3) yes O1 C2 C3 117.3(3) ? C4 C3 C2 123.0(3) ? C3 C4 C10 118.4(3) ? C3 C4 C12 121.0(4) ? C10 C4 C12 120.6(4) ? C6 C5 C10 121.0(3) ? C5 C6 C7 121.9(3) ? C8 C7 C6 119.0(3) ? C8 C7 C13 121.2(3) ? C6 C7 C13 119.7(3) ? C9 C8 C7 117.8(3) ? C9 C8 C16 120.6(3) ? C7 C8 C16 121.6(3) ? C8 C9 O1 115.3(3) yes C8 C9 C10 123.9(3) ? O1 C9 C10 120.8(3) ? C9 C10 C5 116.4(3) ? C9 C10 C4 118.9(3) ? C5 C10 C4 124.7(3) yes C7 C13 C14 111.5(3) ? N18 C14 C15 108.7(3) ? N18 C14 C13 112.3(3) ? C15 C14 C13 106.5(3) ? O17 C15 C16 112.4(3) ? O17 C15 C14 108.6(3) ? C16 C15 C14 109.5(3) ? C8 C16 C15 112.2(3) ? C19 N18 C14 121.2(3) ? N18 C19 C20 123.5(3) ? N18 C19 C24 120.8(3) ? C20 C19 C24 115.7(3) ? C19 C20 C21 122.4(4) ? C22 C21 C20 121.2(4) ? C21 C22 C23 117.6(4) ? C21 C22 C25 120.9(5) ? C23 C22 C25 121.4(4) ? C22 C23 C24 121.0(4) ? C23 C24 C19 122.0(4) ? C23 C24 Br 119.0(3) ? C19 C24 Br 119.0(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 Br C24 . 1.901(4) ? O1 C2 . 1.370(4) ? O1 C9 . 1.389(3) ? C2 O11 . 1.214(4) ? C2 C3 . 1.442(5) ? C3 C4 . 1.345(5) yes C4 C10 . 1.448(4) ? C4 C12 . 1.505(5) ? C5 C6 . 1.354(5) yes C5 C10 . 1.404(5) ? C6 C7 . 1.399(4) ? C7 C8 . 1.396(4) ? C7 C13 . 1.506(5) ? C8 C9 . 1.388(4) ? C8 C16 . 1.510(4) ? C9 C10 . 1.393(4) ? C13 C14 . 1.531(5) ? C14 N18 . 1.465(4) yes C14 C15 . 1.526(4) ? C15 O17 . 1.424(4) yes C15 C16 . 1.515(4) ? N18 C19 . 1.384(4) yes C19 C20 . 1.386(5) ? C19 C24 . 1.405(4) ? C20 C21 . 1.387(5) ? C21 C22 . 1.384(6) ? C22 C23 . 1.385(6) ? C22 C25 . 1.525(5) ? C23 C24 . 1.387(5) ? loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_site_symmetry_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA _geom_hbond_publ_flag O17 H17 O11 2_645 0.77(4) 2.03(4) 2.776(4) 163(4) yes N18 H18 Br 1_555 0.84(3) 2.67(3) 3.073(3) 111(2) yes N18 H18 O17 1_555 0.84(3) 2.22(3) 2.675(4) 114(2) yes 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 C9 O1 C2 O11 -179.3(3) ? C9 O1 C2 C3 1.0(5) ? O11 C2 C3 C4 179.5(4) ? O1 C2 C3 C4 -0.8(6) ? C2 C3 C4 C10 0.2(6) ? C2 C3 C4 C12 -178.4(5) ? C10 C5 C6 C7 0.0(6) ? C5 C6 C7 C8 0.1(6) ? C5 C6 C7 C13 179.8(4) ? C6 C7 C8 C9 0.3(5) ? C13 C7 C8 C9 -179.4(4) ? C6 C7 C8 C16 -179.1(4) ? C13 C7 C8 C16 1.2(5) yes C7 C8 C9 O1 -179.7(3) ? C16 C8 C9 O1 -0.3(5) ? C7 C8 C9 C10 -0.8(5) ? C16 C8 C9 C10 178.6(4) ? C2 O1 C9 C8 178.3(3) ? C2 O1 C9 C10 -0.6(5) ? C8 C9 C10 C5 0.9(5) ? O1 C9 C10 C5 179.8(3) ? C8 C9 C10 C4 -178.9(3) ? O1 C9 C10 C4 0.0(5) ? C6 C5 C10 C9 -0.5(6) ? C6 C5 C10 C4 179.3(4) ? C3 C4 C10 C9 0.2(5) ? C12 C4 C10 C9 178.8(4) ? C3 C4 C10 C5 -179.6(4) ? C12 C4 C10 C5 -1.0(6) ? C8 C7 C13 C14 -22.2(5) yes C6 C7 C13 C14 158.0(4) ? C7 C13 C14 N18 173.6(3) ? C7 C13 C14 C15 54.8(4) yes N18 C14 C15 O17 46.2(4) ? C13 C14 C15 O17 167.4(3) ? N18 C14 C15 C16 169.3(3) ? C13 C14 C15 C16 -69.5(4) yes C9 C8 C16 C15 166.3(3) ? C7 C8 C16 C15 -14.4(5) yes O17 C15 C16 C8 169.3(3) ? C14 C15 C16 C8 48.5(4) yes C15 C14 N18 C19 -159.1(3) ? C13 C14 N18 C19 83.3(4) ? C14 N18 C19 C20 -12.9(5) ? C14 N18 C19 C24 169.9(3) ? N18 C19 C20 C21 -178.0(3) ? C24 C19 C20 C21 -0.6(5) ? C19 C20 C21 C22 0.4(6) ? C20 C21 C22 C23 0.8(6) ? C20 C21 C22 C25 179.1(4) ? C21 C22 C23 C24 -1.6(6) ? C25 C22 C23 C24 -179.9(4) ? C22 C23 C24 C19 1.4(6) ? C22 C23 C24 Br -178.8(3) ? N18 C19 C24 C23 177.1(3) ? C20 C19 C24 C23 -0.3(5) ? N18 C19 C24 Br -2.6(4) ? C20 C19 C24 Br 180.0(3) ? loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 139055899