#------------------------------------------------------------------------------ #$Date: 2013-12-28 13:58:47 +0000 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: svn://www.crystallography.net/cod/cif/2/01/29/2012916.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_2012916 loop_ _publ_author_name 'Anwar Usman' 'Ibrahim Abdul Razak' 'Hoong-Kun Fun' 'Suchada Chantrapromma' 'Yan Zhang' 'Jian-Hua Xu' _publ_section_title 11-Methyl-12a-phenyl-9a,12a-dihydrophenanthro[9',10:5,6][1,4]dioxino[2,3-d]thiazole _journal_issue 9 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first o543 _journal_page_last o544 _journal_volume 58 _journal_year 2002 _chemical_formula_iupac 'C24 H17 N O2 S' _chemical_formula_moiety 'C24 H17 N O2 S' _chemical_formula_sum 'C24 H17 N O2 S' _chemical_formula_weight 383.45 _chemical_name_systematic ; 11-Methyl-12a-phenyl-9a,12a-dihydrophenanthro[9',10:5,6][1,4]dioxino [2,3-d]thiazole ; _space_group_IT_number 33 _symmetry_cell_setting orthorhombic _symmetry_space_group_name_Hall 'P 2c -2n' _symmetry_space_group_name_H-M 'P n a 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 10.79990(10) _cell_length_b 9.28510(10) _cell_length_c 18.7949(3) _cell_measurement_reflns_used 7025 _cell_measurement_temperature 213(2) _cell_measurement_theta_max 28.32 _cell_measurement_theta_min 2.45 _cell_volume 1884.72(4) _computing_cell_refinement 'SAINT (Siemens, 1996)' _computing_data_collection 'SMART (Siemens, 1996)' _computing_data_reduction SAINT _computing_molecular_graphics SHELXTL _computing_publication_material ; SHELXTL, PARST (Nardelli, 1995) and PLATON (Spek, 1990) ; _computing_structure_refinement SHELXTL _computing_structure_solution 'SHELXTL (Sheldrick, 1997)' _diffrn_ambient_temperature 213(2) _diffrn_detector_area_resol_mean 8.33 _diffrn_measured_fraction_theta_full 0.987 _diffrn_measured_fraction_theta_max 0.987 _diffrn_measurement_device_type 'Siemens SMART CCD area-detector' _diffrn_measurement_method \w _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 0.0975 _diffrn_reflns_av_sigmaI/netI 0.0779 _diffrn_reflns_limit_h_max 13 _diffrn_reflns_limit_h_min -14 _diffrn_reflns_limit_k_max 12 _diffrn_reflns_limit_k_min -10 _diffrn_reflns_limit_l_max 24 _diffrn_reflns_limit_l_min -22 _diffrn_reflns_number 10677 _diffrn_reflns_theta_full 28.29 _diffrn_reflns_theta_max 28.29 _diffrn_reflns_theta_min 2.45 _diffrn_standards_decay_% negligible _diffrn_standards_interval_count 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.192 _exptl_absorpt_correction_T_max 0.9590 _exptl_absorpt_correction_T_min 0.9102 _exptl_absorpt_correction_type empirical _exptl_absorpt_process_details '(SADABS; Sheldrick, 1996)' _exptl_crystal_colour yellow _exptl_crystal_density_diffrn 1.351 _exptl_crystal_density_method 'not measured' _exptl_crystal_description block _exptl_crystal_F_000 800 _exptl_crystal_size_max 0.50 _exptl_crystal_size_mid 0.32 _exptl_crystal_size_min 0.22 _refine_diff_density_max 0.290 _refine_diff_density_min -0.407 _refine_ls_extinction_coef 0.011(2) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method SHELXTL _refine_ls_goodness_of_fit_ref 0.996 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 255 _refine_ls_number_reflns 2375 _refine_ls_number_restraints 1 _refine_ls_restrained_S_all 0.996 _refine_ls_R_factor_all 0.0606 _refine_ls_R_factor_gt 0.0494 _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^)+(0.074P)^2^] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1146 _refine_ls_wR_factor_ref 0.1301 _reflns_number_gt 1924 _reflns_number_total 2375 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file av1114.cif _[local]_cod_data_source_block I _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_enum 1527 2010-12-29 10:47:43Z saulius 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 2012916 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, z+1/2' 'x+1/2, -y+1/2, 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 S1 0.37224(9) 0.59958(10) 0.00909(5) 0.0343(3) Uani d . 1 . . S O1 0.4913(2) 0.8164(2) 0.17363(13) 0.0248(5) Uani d . 1 . . O O2 0.3769(2) 0.5527(3) 0.14726(14) 0.0318(6) Uani d . 1 . . O N1 0.5567(2) 0.7521(3) 0.05771(16) 0.0251(6) Uani d . 1 . . N C1 0.5283(3) 0.6917(4) 0.20767(17) 0.0220(7) Uani d . 1 . . C C2 0.6277(3) 0.7046(4) 0.25853(17) 0.0229(7) Uani d . 1 . . C C3 0.6890(3) 0.8373(4) 0.26976(18) 0.0279(7) Uani d . 1 . . C H3 0.6668 0.9176 0.2431 0.033 Uiso calc R 1 . . H C4 0.7790(4) 0.8478(5) 0.3187(2) 0.0352(9) Uani d . 1 . . C H4 0.8160 0.9364 0.3276 0.042 Uiso calc R 1 . . H C5 0.8170(4) 0.7265(5) 0.3561(2) 0.0415(10) Uani d . 1 . . C H5 0.8803 0.7350 0.3894 0.050 Uiso calc R 1 . . H C6 0.7637(4) 0.5959(4) 0.3451(2) 0.0339(8) Uani d . 1 . . C H6 0.7918 0.5161 0.3703 0.041 Uiso calc R 1 . . H C7 0.6668(3) 0.5803(4) 0.29613(18) 0.0271(7) Uani d . 1 . . C C8 0.6022(4) 0.4443(4) 0.28271(18) 0.0292(8) Uani d . 1 . . C C9 0.6367(4) 0.3156(4) 0.3191(2) 0.0395(10) Uani d . 1 . . C H9 0.7026 0.3158 0.3510 0.047 Uiso calc R 1 . . H C10 0.5694(5) 0.1884(4) 0.3062(2) 0.0431(11) Uani d . 1 . . C H10 0.5868 0.1064 0.3328 0.052 Uiso calc R 1 . . H C11 0.4802(4) 0.1827(4) 0.2559(2) 0.0414(10) Uani d . 1 . . C H11 0.4401 0.0961 0.2466 0.050 Uiso calc R 1 . . H C12 0.4486(4) 0.3048(4) 0.2186(2) 0.0347(9) Uani d . 1 . . C H12 0.3870 0.2998 0.1840 0.042 Uiso calc R 1 . . H C13 0.5075(3) 0.4359(4) 0.23166(17) 0.0251(7) Uani d . 1 . . C C14 0.4737(3) 0.5649(4) 0.19417(18) 0.0236(7) Uani d . 1 . . C C15 0.3544(3) 0.6689(4) 0.09831(18) 0.0243(7) Uani d . 1 . . C H15 0.2710 0.7080 0.1051 0.029 Uiso calc R 1 . . H C16 0.4528(3) 0.7915(4) 0.10186(18) 0.0229(7) Uani d . 1 . . C C17 0.5272(3) 0.6637(4) 0.0092(2) 0.0284(7) Uani d . 1 . . C C18 0.3964(3) 0.9342(4) 0.07739(18) 0.0245(7) Uani d . 1 . . C C19 0.2938(3) 0.9918(4) 0.1142(2) 0.0284(7) Uani d . 1 . . C H19 0.2604 0.9418 0.1525 0.034 Uiso calc R 1 . . H C20 0.2429(4) 1.1205(4) 0.0939(2) 0.0317(8) Uani d . 1 . . C H20 0.1774 1.1583 0.1200 0.038 Uiso calc R 1 . . H C21 0.2860(4) 1.1947(4) 0.0363(2) 0.0383(9) Uani d . 1 . . C H21 0.2485 1.2801 0.0220 0.046 Uiso calc R 1 . . H C22 0.3878(5) 1.1394(5) -0.0009(3) 0.0510(12) Uani d . 1 . . C H22 0.4199 1.1907 -0.0392 0.061 Uiso calc R 1 . . H C23 0.4418(4) 1.0094(4) 0.0184(2) 0.0387(9) Uani d . 1 . . C H23 0.5078 0.9726 -0.0077 0.046 Uiso calc R 1 . . H C24 0.6128(4) 0.6123(5) -0.0483(2) 0.0426(10) Uani d . 1 . . C H24A 0.6145 0.5090 -0.0485 0.064 Uiso calc R 1 . . H H24B 0.6947 0.6485 -0.0395 0.064 Uiso calc R 1 . . H H24C 0.5840 0.6466 -0.0935 0.064 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 S1 0.0403(5) 0.0370(5) 0.0257(4) -0.0108(4) -0.0081(4) -0.0035(4) O1 0.0260(12) 0.0252(12) 0.0230(11) 0.0004(9) -0.0058(10) -0.0015(10) O2 0.0382(15) 0.0264(13) 0.0307(13) -0.0098(11) -0.0134(11) 0.0079(11) N1 0.0168(12) 0.0337(16) 0.0249(14) 0.0026(12) -0.0023(11) -0.0018(12) C1 0.0217(16) 0.0246(17) 0.0198(16) 0.0021(13) -0.0018(12) -0.0001(13) C2 0.0236(16) 0.0287(17) 0.0163(15) 0.0020(13) 0.0010(13) -0.0042(13) C3 0.0280(18) 0.0366(18) 0.0191(16) -0.0023(15) 0.0009(13) -0.0065(14) C4 0.0270(18) 0.050(2) 0.0282(18) -0.0100(17) -0.0049(15) -0.0067(17) C5 0.037(2) 0.062(3) 0.0250(19) 0.002(2) -0.0090(17) -0.0078(19) C6 0.0242(18) 0.053(2) 0.0247(17) 0.0064(16) -0.0036(14) -0.0005(18) C7 0.0325(19) 0.0349(18) 0.0139(14) 0.0069(14) 0.0018(13) -0.0026(14) C8 0.038(2) 0.0299(18) 0.0198(16) 0.0104(15) 0.0007(14) -0.0008(14) C9 0.065(3) 0.032(2) 0.0216(18) 0.0196(19) -0.0002(18) 0.0001(15) C10 0.067(3) 0.029(2) 0.034(2) 0.0146(19) 0.008(2) 0.0032(17) C11 0.056(3) 0.026(2) 0.042(2) -0.0007(17) 0.005(2) 0.0028(17) C12 0.042(2) 0.029(2) 0.0322(19) -0.0009(16) -0.0010(17) 0.0005(15) C13 0.0268(18) 0.0288(18) 0.0199(16) 0.0028(13) 0.0018(13) -0.0001(13) C14 0.0190(15) 0.0297(17) 0.0220(16) 0.0002(13) -0.0010(12) 0.0007(13) C15 0.0285(17) 0.0218(16) 0.0226(17) -0.0013(13) -0.0043(13) 0.0028(14) C16 0.0193(15) 0.0276(17) 0.0216(16) -0.0040(12) -0.0024(13) 0.0006(13) C17 0.0259(17) 0.0327(17) 0.0265(16) 0.0064(13) -0.0017(15) 0.0006(16) C18 0.0250(16) 0.0267(18) 0.0218(16) -0.0057(14) -0.0059(13) 0.0024(13) C19 0.0264(18) 0.0298(18) 0.0289(17) -0.0022(14) 0.0025(14) 0.0039(15) C20 0.0260(18) 0.0305(19) 0.038(2) 0.0038(14) 0.0016(15) -0.0009(16) C21 0.033(2) 0.032(2) 0.050(2) -0.0010(16) -0.0040(18) 0.0111(17) C22 0.057(3) 0.044(2) 0.052(3) -0.001(2) 0.007(2) 0.025(2) C23 0.032(2) 0.041(2) 0.043(2) 0.0022(15) 0.0158(18) 0.0143(19) C24 0.049(3) 0.051(3) 0.027(2) 0.0151(19) 0.0012(18) -0.0023(18) 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 S1 C17 . 1.776(3) yes S1 C15 . 1.806(4) yes O1 C1 . 1.382(4) yes O1 C16 . 1.430(4) yes O2 C14 . 1.373(4) yes O2 C15 . 1.438(4) yes N1 C17 . 1.268(5) yes N1 C16 . 1.443(4) yes C1 C14 . 1.341(5) ? C1 C2 . 1.442(4) ? C2 C3 . 1.414(5) ? C2 C7 . 1.417(5) ? C3 C4 . 1.342(5) ? C3 H3 . 0.9300 ? C4 C5 . 1.390(6) ? C4 H4 . 0.9300 ? C5 C6 . 1.358(6) ? C5 H5 . 0.9300 ? C6 C7 . 1.402(5) ? C6 H6 . 0.9300 ? C7 C8 . 1.465(5) ? C8 C13 . 1.404(5) ? C8 C9 . 1.427(5) ? C9 C10 . 1.408(7) ? C9 H9 . 0.9300 ? C10 C11 . 1.350(6) ? C10 H10 . 0.9300 ? C11 C12 . 1.377(6) ? C11 H11 . 0.9300 ? C12 C13 . 1.395(5) ? C12 H12 . 0.9300 ? C13 C14 . 1.437(5) ? C15 C16 . 1.559(5) ? C15 H15 . 0.9800 ? C16 C18 . 1.529(5) ? C17 C24 . 1.500(6) ? C18 C23 . 1.399(5) ? C18 C19 . 1.411(5) ? C19 C20 . 1.370(5) ? C19 H19 . 0.9300 ? C20 C21 . 1.365(6) ? C20 H20 . 0.9300 ? C21 C22 . 1.401(6) ? C21 H21 . 0.9300 ? C22 C23 . 1.389(6) ? C22 H22 . 0.9300 ? C23 H23 . 0.9300 ? C24 H24A . 0.9600 ? C24 H24B . 0.9600 ? C24 H24C . 0.9600 ? 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 0.0000 '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 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' O O 0.0106 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' S S 0.1246 0.0000 '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 C17 S1 C15 88.85(17) C1 O1 C16 112.7(3) C14 O2 C15 118.5(3) C17 N1 C16 112.4(3) C14 C1 O1 121.4(3) C14 C1 C2 121.7(3) O1 C1 C2 116.9(3) C3 C2 C7 119.7(3) C3 C2 C1 121.3(3) C7 C2 C1 119.0(3) C4 C3 C2 120.3(4) C4 C3 H3 119.8 C2 C3 H3 119.8 C3 C4 C5 120.1(4) C3 C4 H4 119.9 C5 C4 H4 119.9 C6 C5 C4 121.4(4) C6 C5 H5 119.3 C4 C5 H5 119.3 C5 C6 C7 120.6(4) C5 C6 H6 119.7 C7 C6 H6 119.7 C6 C7 C2 117.8(3) C6 C7 C8 123.9(3) C2 C7 C8 118.3(3) C13 C8 C9 118.1(4) C13 C8 C7 120.8(3) C9 C8 C7 121.0(3) C10 C9 C8 119.0(4) C10 C9 H9 120.5 C8 C9 H9 120.5 C11 C10 C9 121.5(4) C11 C10 H10 119.3 C9 C10 H10 119.3 C10 C11 C12 120.1(4) C10 C11 H11 119.9 C12 C11 H11 119.9 C11 C12 C13 121.0(4) C11 C12 H12 119.5 C13 C12 H12 119.5 C12 C13 C8 120.1(3) C12 C13 C14 121.7(3) C8 C13 C14 118.3(3) C1 C14 O2 122.0(3) C1 C14 C13 121.9(3) O2 C14 C13 116.1(3) O2 C15 C16 113.9(3) O2 C15 S1 108.0(2) C16 C15 S1 103.1(2) O2 C15 H15 110.5 C16 C15 H15 110.5 S1 C15 H15 110.5 O1 C16 N1 110.9(3) O1 C16 C18 105.1(3) N1 C16 C18 110.9(3) O1 C16 C15 110.9(3) N1 C16 C15 108.7(3) C18 C16 C15 110.4(3) N1 C17 C24 124.6(3) N1 C17 S1 117.1(3) C24 C17 S1 118.3(3) C23 C18 C19 118.3(3) C23 C18 C16 122.1(3) C19 C18 C16 119.6(3) C20 C19 C18 120.6(3) C20 C19 H19 119.7 C18 C19 H19 119.7 C21 C20 C19 121.6(4) C21 C20 H20 119.2 C19 C20 H20 119.2 C20 C21 C22 118.6(4) C20 C21 H21 120.7 C22 C21 H21 120.7 C23 C22 C21 121.2(4) C23 C22 H22 119.4 C21 C22 H22 119.4 C22 C23 C18 119.6(4) C22 C23 H23 120.2 C18 C23 H23 120.2 C17 C24 H24A 109.5 C17 C24 H24B 109.5 H24A C24 H24B 109.5 C17 C24 H24C 109.5 H24A C24 H24C 109.5 H24B C24 H24C 109.5 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 C15 H15 N1 3_465 0.98 2.51 3.385(4) 149 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 C16 O1 C1 C14 -34.6(4) C16 O1 C1 C2 145.8(3) C14 C1 C2 C3 176.7(3) O1 C1 C2 C3 -3.7(5) C14 C1 C2 C7 -1.2(5) O1 C1 C2 C7 178.4(3) C7 C2 C3 C4 -3.9(5) C1 C2 C3 C4 178.2(3) C2 C3 C4 C5 3.4(5) C3 C4 C5 C6 -0.9(6) C4 C5 C6 C7 -1.0(6) C5 C6 C7 C2 0.5(5) C5 C6 C7 C8 -178.2(4) C3 C2 C7 C6 1.9(5) C1 C2 C7 C6 179.8(3) C3 C2 C7 C8 -179.3(3) C1 C2 C7 C8 -1.4(5) C6 C7 C8 C13 -178.6(3) C2 C7 C8 C13 2.7(5) C6 C7 C8 C9 -0.9(5) C2 C7 C8 C9 -179.7(3) C13 C8 C9 C10 -4.3(6) C7 C8 C9 C10 178.0(4) C8 C9 C10 C11 5.6(6) C9 C10 C11 C12 -3.4(6) C10 C11 C12 C13 0.0(6) C11 C12 C13 C8 1.2(6) C11 C12 C13 C14 -178.7(4) C9 C8 C13 C12 1.0(5) C7 C8 C13 C12 178.7(3) C9 C8 C13 C14 -179.1(3) C7 C8 C13 C14 -1.4(5) O1 C1 C14 O2 -1.4(5) C2 C1 C14 O2 178.2(3) O1 C1 C14 C13 -177.0(3) C2 C1 C14 C13 2.6(5) C15 O2 C14 C1 16.2(5) C15 O2 C14 C13 -168.0(3) C12 C13 C14 C1 178.6(4) C8 C13 C14 C1 -1.3(5) C12 C13 C14 O2 2.8(5) C8 C13 C14 O2 -177.1(3) C14 O2 C15 C16 4.5(4) C14 O2 C15 S1 118.4(3) C17 S1 C15 O2 -95.9(2) C17 S1 C15 C16 25.0(2) C1 O1 C16 N1 -69.0(3) C1 O1 C16 C18 171.1(3) C1 O1 C16 C15 51.9(3) C17 N1 C16 O1 146.4(3) C17 N1 C16 C18 -97.2(3) C17 N1 C16 C15 24.3(4) O2 C15 C16 O1 -37.7(4) S1 C15 C16 O1 -154.5(2) O2 C15 C16 N1 84.5(3) S1 C15 C16 N1 -32.3(3) O2 C15 C16 C18 -153.7(3) S1 C15 C16 C18 89.5(3) C16 N1 C17 C24 174.9(3) C16 N1 C17 S1 -3.9(4) C15 S1 C17 N1 -14.4(3) C15 S1 C17 C24 166.7(3) O1 C16 C18 C23 121.4(4) N1 C16 C18 C23 1.5(5) C15 C16 C18 C23 -119.0(4) O1 C16 C18 C19 -59.7(4) N1 C16 C18 C19 -179.6(3) C15 C16 C18 C19 59.9(4) C23 C18 C19 C20 -2.1(5) C16 C18 C19 C20 179.0(3) C18 C19 C20 C21 2.5(6) C19 C20 C21 C22 -2.5(6) C20 C21 C22 C23 2.3(7) C21 C22 C23 C18 -2.0(7) C19 C18 C23 C22 1.9(6) C16 C18 C23 C22 -179.2(4) _cod_database_fobs_code 2012916 _journal_paper_doi 10.1107/S0108270102013112