############################################################################## ### ### ### Electronic paper (Acta Crystallographica Section E) ### ### ### ############################################################################## # # # This CIF contains the data in a paper accepted for publication in Acta # # Crystallographica Section E. It conforms to the requirements of Notes # # for Authors for Section E, and has been peer reviewed under the auspices # # of the IUCr Commission on Journals. # # # # Full details of the Crystallographic Information File format # # are given in the paper "The Crystallographic Information File (CIF): # # a New Standard Archive File for Crystallography" by S. R. Hall, F. H. # # Allen and I. D. Brown [Acta Cryst. (1991), A47, 655-685]. # # # # The current version of the core CIF dictionary is obtainable from # # ftp://ftp.iucr.org/pub/cif_core.dic. The current version number is 2.4. # # # # Software is freely available for graphical display of the structure(s) in # # this CIF. For information consult the CIF home page http://www.iucr.org/ # # cif/home.html # # # # This file may be used for bona fide research purposes within the # # scientific community so long as proper attribution is given to the journal # # article from which it was obtained. # # # ############################################################################## data_global _audit_creation_method 'SHELXL97 CIF, edited IUCr template' _journal_date_recd_electronic 2010-03-10 _journal_date_accepted 2010-05-18 _journal_name_full 'Acta Crystallographica, Section E' _journal_year 2010 _journal_volume 66 _journal_issue 7 _journal_page_first o1792 _journal_page_last o1792 _journal_paper_category QO _journal_coeditor_code FJ2286 _publ_contact_author_name 'Dr P.A. Crooks' _publ_contact_author_address ; Dept. of Pharm. Sciences College of Pharmacy University of Kentucky Lexington KY 40536 USA ; _publ_contact_author_email 'pcrooks@email.uky.edu' _publ_contact_author_fax '859 257 2585' _publ_contact_author_phone '859 257 1718' _publ_section_title ;\ (Z)-2-Amino-5-[2,4-dimethoxy-6-(4-methoxystyryl)benzylidene]-1,3-\ thiazol-4(5H)-one methanol solvate ; loop_ _publ_author_name _publ_author_address 'Nikhil Reddy Madadi' ; Department of Pharmaceutical Sciences College of Pharmacy University of Kentucky Lexington KY 40536 USA ; 'Thirupathi Reddy Yerram Reddy' ; Department of Pharmaceutical Sciences College of Pharmacy University of Kentucky Lexington KY 40536 USA ; 'Narsimha Reddy Penthala' ; Department of Pharmaceutical Sciences College of Pharmacy University of Kentucky Lexington KY 40536 USA ; 'Parkin, Sean' ; Department of Chemistry University of Kentucky Lexington KY 40506 USA ; 'Crooks, Peter A.' ; Department of Pharmaceutical Sciences College of Pharmacy University of Kentucky Lexington KY 40536 USA ; _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\^ > 2\s(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. ; data_I _audit_creation_method SHELXL-97 _chemical_name_systematic ; (Z)-2-Amino-5-[2,4-dimethoxy-6-(4-methoxystyryl)benzylidene]-1,3- thiazol-4(5H)-one methanol solvate ; _chemical_name_common ? _chemical_formula_moiety 'C21 H20 N2 O4 S, C H4 O' _chemical_formula_sum 'C22 H24 N2 O5 S' _chemical_formula_iupac 'C21 H20 N2 O4 S, C H4 O' _chemical_formula_weight 428.49 _chemical_melting_point ? _symmetry_cell_setting monoclinic _symmetry_space_group_name_H-M 'P 21/c' _symmetry_space_group_name_Hall '-P 2ybc' 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 10.6243(2) _cell_length_b 22.2530(5) _cell_length_c 9.0562(2) _cell_angle_alpha 90.00 _cell_angle_beta 93.0280(10) _cell_angle_gamma 90.00 _cell_volume 2138.10(8) _cell_formula_units_Z 4 _cell_measurement_reflns_used 9054 _cell_measurement_theta_min 3.97 _cell_measurement_theta_max 68.35 _cell_measurement_temperature 90.0(2) _exptl_crystal_description lath _exptl_crystal_colour yellow _exptl_crystal_size_max 0.15 _exptl_crystal_size_mid 0.08 _exptl_crystal_size_min 0.02 _exptl_crystal_density_diffrn 1.331 _exptl_crystal_density_meas ? _exptl_crystal_density_method 'not measured' _exptl_crystal_F_000 904 _exptl_absorpt_coefficient_mu 1.652 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(SADABS; Bruker, 2006)' _exptl_absorpt_correction_T_min 0.777 _exptl_absorpt_correction_T_max 0.968 _exptl_special_details ; ; _diffrn_ambient_temperature 90.0(2) _diffrn_radiation_type CuK\a _diffrn_radiation_wavelength 1.54178 _diffrn_radiation_source 'fine-focus rotating anode' _diffrn_radiation_monochromator 'graded multilayer optics' _diffrn_measurement_device_type 'Bruker X8 Proteum' _diffrn_measurement_method '\f and \w scans' _diffrn_detector_area_resol_mean 5.6 _diffrn_reflns_number 31098 _diffrn_reflns_av_R_equivalents 0.0442 _diffrn_reflns_av_sigmaI/netI 0.0265 _diffrn_reflns_theta_min 3.97 _diffrn_reflns_theta_max 68.39 _diffrn_reflns_theta_full 68.39 _diffrn_measured_fraction_theta_max 0.995 _diffrn_measured_fraction_theta_full 0.995 _diffrn_reflns_limit_h_min -12 _diffrn_reflns_limit_h_max 12 _diffrn_reflns_limit_k_min -26 _diffrn_reflns_limit_k_max 26 _diffrn_reflns_limit_l_min -10 _diffrn_reflns_limit_l_max 10 _diffrn_standards_number 0 _diffrn_standards_interval_count . _diffrn_standards_interval_time . _diffrn_standards_decay_% ? _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^ > 2\s(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. ; _reflns_number_total 3911 _reflns_number_gt 3631 _reflns_threshold_expression I>2\s(I) _refine_ls_structure_factor_coef Fsqd _refine_ls_matrix_type full _refine_ls_R_factor_all 0.0462 _refine_ls_R_factor_gt 0.0430 _refine_ls_wR_factor_gt 0.1098 _refine_ls_wR_factor_ref 0.1122 _refine_ls_goodness_of_fit_ref 1.129 _refine_ls_restrained_S_all 1.129 _refine_ls_number_reflns 3911 _refine_ls_number_parameters 276 _refine_ls_number_restraints 0 _refine_ls_hydrogen_treatment constr _refine_ls_weighting_scheme calc _refine_ls_weighting_details 'calc w=1/[\s^2^(Fo^2^)+(0.0357P)^2^+2.3067P] where P=(Fo^2^+2Fc^2^)/3' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_diff_density_max 0.511 _refine_diff_density_min -0.300 _refine_ls_extinction_method none _refine_ls_extinction_coef ? 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' 'N' 'N' 0.0311 0.0180 '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' 'S' 'S' 0.3331 0.5567 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' _computing_data_collection 'APEX2 (Bruker, 2006)' _computing_cell_refinement 'SAINT (Bruker, 2006)' _computing_data_reduction 'SAINT (Bruker, 2006)' _computing_structure_solution 'SHELXS97 (Sheldrick, 2008)' _computing_structure_refinement 'SHELXL97 (Sheldrick, 2008)' _computing_molecular_graphics 'XP in SHELXTL (Sheldrick, 2008)' _computing_publication_material ; SHELXL97 (Sheldrick, 2008) and local procedures ; loop_ _atom_site_type_symbol _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 S S1 0.73380(5) 0.59495(2) 0.83763(5) 0.02575(15) Uani d . 1 . . O O1 0.84106(14) 0.45171(6) 0.46089(17) 0.0294(3) Uani d . 1 . . N N1 0.79198(16) 0.69625(7) 0.70367(18) 0.0233(4) Uani d . 1 . . C C1 0.67303(19) 0.48654(9) 0.5941(2) 0.0230(4) Uani d . 1 . . O O2 0.56944(16) 0.31027(7) 0.6733(2) 0.0401(4) Uani d . 1 . . N N2 0.78786(18) 0.70133(8) 0.95934(19) 0.0288(4) Uani d . 1 . . H H2A 0.8067 0.7398 0.9591 0.035 Uiso calc R 1 . . H H2B 0.7766 0.6828 1.0435 0.035 Uiso calc R 1 . . C C2 0.73882(19) 0.43671(9) 0.5382(2) 0.0247(4) Uani d . 1 . . O O3 0.15908(16) 0.72923(7) 1.04700(19) 0.0379(4) Uani d . 1 . . C C3 0.7014(2) 0.37874(9) 0.5646(2) 0.0287(5) Uani d . 1 . . H H3 0.7459 0.3457 0.5260 0.034 Uiso calc R 1 . . O O4 0.79309(15) 0.66720(6) 0.46217(15) 0.0276(3) Uani d . 1 . . C C4 0.5968(2) 0.36913(9) 0.6495(2) 0.0285(5) Uani d . 1 . . C C5 0.5283(2) 0.41643(9) 0.7024(2) 0.0254(4) Uani d . 1 . . H H5 0.4560 0.4090 0.7571 0.031 Uiso calc R 1 . . C C6 0.56614(19) 0.47574(9) 0.6748(2) 0.0227(4) Uani d . 1 . . C C7 0.49002(19) 0.52638(9) 0.7237(2) 0.0230(4) Uani d . 1 . . H H7 0.4958 0.5629 0.6702 0.028 Uiso calc R 1 . . C C8 0.41358(19) 0.52599(9) 0.8360(2) 0.0252(4) Uani d . 1 . . H H8 0.4032 0.4890 0.8861 0.030 Uiso calc R 1 . . C C9 0.34427(19) 0.57835(9) 0.8881(2) 0.0249(4) Uani d . 1 . . C C10 0.2585(2) 0.57198(10) 0.9977(2) 0.0280(5) Uani d . 1 . . H H10 0.2434 0.5330 1.0359 0.034 Uiso calc R 1 . . C C11 0.1938(2) 0.62079(10) 1.0535(2) 0.0296(5) Uani d . 1 . . H H11 0.1356 0.6150 1.1283 0.036 Uiso calc R 1 . . C C12 0.2153(2) 0.67762(10) 0.9992(2) 0.0296(5) Uani d . 1 . . C C13 0.2998(2) 0.68532(10) 0.8890(3) 0.0363(5) Uani d . 1 . . H H13 0.3138 0.7243 0.8502 0.044 Uiso calc R 1 . . C C14 0.3634(2) 0.63662(10) 0.8357(3) 0.0325(5) Uani d . 1 . . H H14 0.4219 0.6428 0.7614 0.039 Uiso calc R 1 . . C C15 0.71662(18) 0.54678(9) 0.5548(2) 0.0223(4) Uani d . 1 . . H H15 0.7306 0.5531 0.4533 0.027 Uiso calc R 1 . . C C16 0.73910(19) 0.59395(9) 0.6445(2) 0.0224(4) Uani d . 1 . . C C17 0.77662(18) 0.65520(9) 0.5932(2) 0.0218(4) Uani d . 1 . . C C18 0.77655(19) 0.67159(9) 0.8345(2) 0.0227(4) Uani d . 1 . . C C19 0.9131(2) 0.40406(10) 0.4010(3) 0.0352(5) Uani d . 1 . . H H19A 0.9469 0.3783 0.4815 0.053 Uiso calc R 1 . . H H19B 0.9829 0.4211 0.3480 0.053 Uiso calc R 1 . . H H19C 0.8590 0.3802 0.3326 0.053 Uiso calc R 1 . . C C20 0.4740(2) 0.29656(11) 0.7742(3) 0.0427(6) Uani d . 1 . . H H20A 0.4925 0.3177 0.8678 0.064 Uiso calc R 1 . . H H20B 0.4726 0.2531 0.7921 0.064 Uiso calc R 1 . . H H20C 0.3917 0.3095 0.7316 0.064 Uiso calc R 1 . . C C21 0.0789(2) 0.72365(12) 1.1677(3) 0.0387(6) Uani d . 1 . . H H21A 0.0098 0.6959 1.1407 0.058 Uiso calc R 1 . . H H21B 0.0443 0.7631 1.1909 0.058 Uiso calc R 1 . . H H21C 0.1276 0.7081 1.2543 0.058 Uiso calc R 1 . . O O1S 0.80228(17) 0.61397(7) 0.19308(17) 0.0374(4) Uani d . 1 . . H H1S 0.7956 0.6277 0.2787 0.056 Uiso calc R 1 . . C C1S 0.8883(2) 0.56477(11) 0.1984(3) 0.0355(5) Uani d . 1 . . H H1S1 0.9573 0.5731 0.2717 0.053 Uiso calc R 1 . . H H1S2 0.9226 0.5593 0.1009 0.053 Uiso calc R 1 . . H H1S3 0.8442 0.5281 0.2262 0.053 Uiso calc R 1 . . 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 0.0407(3) 0.0184(3) 0.0178(3) -0.0068(2) -0.0021(2) 0.00092(18) O1 0.0325(8) 0.0229(7) 0.0330(8) 0.0030(6) 0.0050(6) -0.0030(6) N1 0.0327(9) 0.0184(8) 0.0185(8) -0.0006(7) -0.0005(7) 0.0005(6) C1 0.0286(10) 0.0183(10) 0.0215(10) 0.0002(8) -0.0055(8) -0.0022(8) O2 0.0421(9) 0.0152(7) 0.0638(12) -0.0006(6) 0.0108(8) 0.0004(7) N2 0.0457(11) 0.0208(9) 0.0196(9) -0.0054(8) -0.0004(8) -0.0007(7) C2 0.0267(10) 0.0236(10) 0.0232(10) 0.0020(8) -0.0036(8) -0.0015(8) O3 0.0432(9) 0.0266(8) 0.0448(10) 0.0034(7) 0.0121(7) -0.0054(7) C3 0.0316(11) 0.0203(10) 0.0337(12) 0.0045(8) -0.0033(9) -0.0026(9) O4 0.0431(9) 0.0214(7) 0.0185(7) -0.0005(6) 0.0018(6) 0.0010(5) C4 0.0326(11) 0.0160(10) 0.0363(12) -0.0020(8) -0.0043(9) 0.0008(8) C5 0.0273(10) 0.0201(10) 0.0284(11) -0.0008(8) -0.0032(8) -0.0001(8) C6 0.0276(10) 0.0184(9) 0.0211(10) 0.0008(8) -0.0071(8) -0.0023(8) C7 0.0264(10) 0.0162(9) 0.0256(11) -0.0015(8) -0.0059(8) -0.0007(8) C8 0.0295(11) 0.0190(10) 0.0263(11) -0.0028(8) -0.0047(8) 0.0000(8) C9 0.0279(10) 0.0236(10) 0.0227(10) -0.0024(8) -0.0028(8) -0.0019(8) C10 0.0356(11) 0.0236(11) 0.0244(11) -0.0031(9) -0.0015(9) 0.0018(8) C11 0.0312(11) 0.0348(12) 0.0230(11) -0.0035(9) 0.0022(8) -0.0023(9) C12 0.0322(11) 0.0238(11) 0.0325(12) 0.0008(9) -0.0002(9) -0.0076(9) C13 0.0440(13) 0.0215(11) 0.0446(14) -0.0035(10) 0.0121(11) -0.0015(10) C14 0.0364(12) 0.0229(11) 0.0390(13) -0.0042(9) 0.0098(10) -0.0040(9) C15 0.0259(10) 0.0215(10) 0.0192(10) 0.0014(8) -0.0020(8) 0.0012(8) C16 0.0249(10) 0.0188(10) 0.0232(10) -0.0005(8) -0.0015(8) 0.0023(8) C17 0.0252(10) 0.0195(10) 0.0206(10) 0.0012(8) -0.0010(8) 0.0011(8) C18 0.0258(10) 0.0186(9) 0.0234(10) -0.0023(8) -0.0001(8) -0.0017(8) C19 0.0337(12) 0.0319(12) 0.0401(13) 0.0067(10) 0.0038(10) -0.0053(10) C20 0.0417(14) 0.0210(11) 0.0662(18) -0.0025(10) 0.0092(12) 0.0090(11) C21 0.0366(13) 0.0387(13) 0.0413(14) 0.0073(10) 0.0058(10) -0.0064(11) O1S 0.0644(11) 0.0277(8) 0.0199(8) 0.0013(8) 0.0020(7) 0.0003(6) C1S 0.0409(13) 0.0380(13) 0.0275(12) -0.0060(10) 0.0017(10) -0.0014(10) _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_site_symmetry_2 _geom_bond_distance _geom_bond_publ_flag S1 C16 . 1.753(2) ? S1 C18 . 1.765(2) ? O1 C2 . 1.365(3) ? O1 C19 . 1.431(3) ? N1 C18 . 1.324(3) ? N1 C17 . 1.358(3) ? C1 C6 . 1.403(3) ? C1 C2 . 1.418(3) ? C1 C15 . 1.468(3) ? O2 C4 . 1.362(3) ? O2 C20 . 1.433(3) ? N2 C18 . 1.310(3) ? N2 H2A . 0.8800 ? N2 H2B . 0.8800 ? C2 C3 . 1.375(3) ? O3 C12 . 1.375(3) ? O3 C21 . 1.426(3) ? C3 C4 . 1.401(3) ? C3 H3 . 0.9500 ? O4 C17 . 1.237(2) ? C4 C5 . 1.380(3) ? C5 C6 . 1.406(3) ? C5 H5 . 0.9500 ? C6 C7 . 1.469(3) ? C7 C8 . 1.334(3) ? C7 H7 . 0.9500 ? C8 C9 . 1.470(3) ? C8 H8 . 0.9500 ? C9 C10 . 1.390(3) ? C9 C14 . 1.399(3) ? C10 C11 . 1.394(3) ? C10 H10 . 0.9500 ? C11 C12 . 1.380(3) ? C11 H11 . 0.9500 ? C12 C13 . 1.388(3) ? C13 C14 . 1.378(3) ? C13 H13 . 0.9500 ? C14 H14 . 0.9500 ? C15 C16 . 1.341(3) ? C15 H15 . 0.9500 ? C16 C17 . 1.501(3) ? C19 H19A . 0.9800 ? C19 H19B . 0.9800 ? C19 H19C . 0.9800 ? C20 H20A . 0.9800 ? C20 H20B . 0.9800 ? C20 H20C . 0.9800 ? C21 H21A . 0.9800 ? C21 H21B . 0.9800 ? C21 H21C . 0.9800 ? O1S C1S . 1.425(3) ? O1S H1S . 0.8400 ? C1S H1S1 . 0.9800 ? C1S H1S2 . 0.9800 ? C1S H1S3 . 0.9800 ? loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle_site_symmetry_1 _geom_angle_site_symmetry_3 _geom_angle _geom_angle_publ_flag C16 S1 C18 . . 88.54(9) ? C2 O1 C19 . . 118.01(17) ? C18 N1 C17 . . 111.41(17) ? C6 C1 C2 . . 118.67(18) ? C6 C1 C15 . . 123.84(18) ? C2 C1 C15 . . 117.36(18) ? C4 O2 C20 . . 118.05(18) ? C18 N2 H2A . . 120.0 ? C18 N2 H2B . . 120.0 ? H2A N2 H2B . . 120.0 ? O1 C2 C3 . . 124.34(19) ? O1 C2 C1 . . 114.37(18) ? C3 C2 C1 . . 121.28(19) ? C12 O3 C21 . . 117.11(18) ? C2 C3 C4 . . 118.93(19) ? C2 C3 H3 . . 120.5 ? C4 C3 H3 . . 120.5 ? O2 C4 C5 . . 123.9(2) ? O2 C4 C3 . . 114.60(19) ? C5 C4 C3 . . 121.50(19) ? C4 C5 C6 . . 119.6(2) ? C4 C5 H5 . . 120.2 ? C6 C5 H5 . . 120.2 ? C1 C6 C5 . . 120.01(18) ? C1 C6 C7 . . 119.95(18) ? C5 C6 C7 . . 119.97(19) ? C8 C7 C6 . . 126.26(19) ? C8 C7 H7 . . 116.9 ? C6 C7 H7 . . 116.9 ? C7 C8 C9 . . 125.10(19) ? C7 C8 H8 . . 117.5 ? C9 C8 H8 . . 117.5 ? C10 C9 C14 . . 116.7(2) ? C10 C9 C8 . . 120.47(19) ? C14 C9 C8 . . 122.80(19) ? C9 C10 C11 . . 122.3(2) ? C9 C10 H10 . . 118.9 ? C11 C10 H10 . . 118.9 ? C12 C11 C10 . . 119.4(2) ? C12 C11 H11 . . 120.3 ? C10 C11 H11 . . 120.3 ? O3 C12 C11 . . 124.8(2) ? O3 C12 C13 . . 115.6(2) ? C11 C12 C13 . . 119.7(2) ? C14 C13 C12 . . 120.2(2) ? C14 C13 H13 . . 119.9 ? C12 C13 H13 . . 119.9 ? C13 C14 C9 . . 121.8(2) ? C13 C14 H14 . . 119.1 ? C9 C14 H14 . . 119.1 ? C16 C15 C1 . . 128.05(19) ? C16 C15 H15 . . 116.0 ? C1 C15 H15 . . 116.0 ? C15 C16 C17 . . 124.40(18) ? C15 C16 S1 . . 126.89(16) ? C17 C16 S1 . . 108.69(14) ? O4 C17 N1 . . 122.94(18) ? O4 C17 C16 . . 123.11(18) ? N1 C17 C16 . . 113.95(17) ? N2 C18 N1 . . 123.57(18) ? N2 C18 S1 . . 119.09(15) ? N1 C18 S1 . . 117.32(15) ? O1 C19 H19A . . 109.5 ? O1 C19 H19B . . 109.5 ? H19A C19 H19B . . 109.5 ? O1 C19 H19C . . 109.5 ? H19A C19 H19C . . 109.5 ? H19B C19 H19C . . 109.5 ? O2 C20 H20A . . 109.5 ? O2 C20 H20B . . 109.5 ? H20A C20 H20B . . 109.5 ? O2 C20 H20C . . 109.5 ? H20A C20 H20C . . 109.5 ? H20B C20 H20C . . 109.5 ? O3 C21 H21A . . 109.5 ? O3 C21 H21B . . 109.5 ? H21A C21 H21B . . 109.5 ? O3 C21 H21C . . 109.5 ? H21A C21 H21C . . 109.5 ? H21B C21 H21C . . 109.5 ? C1S O1S H1S . . 109.5 ? O1S C1S H1S1 . . 109.5 ? O1S C1S H1S2 . . 109.5 ? H1S1 C1S H1S2 . . 109.5 ? O1S C1S H1S3 . . 109.5 ? H1S1 C1S H1S3 . . 109.5 ? H1S2 C1S H1S3 . . 109.5 ? 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_site_symmetry_1 _geom_torsion_site_symmetry_2 _geom_torsion_site_symmetry_3 _geom_torsion_site_symmetry_4 _geom_torsion _geom_torsion_publ_flag C19 O1 C2 C3 . . . . 1.1(3) ? C19 O1 C2 C1 . . . . 179.79(18) ? C6 C1 C2 O1 . . . . 179.80(17) ? C15 C1 C2 O1 . . . . 3.9(3) ? C6 C1 C2 C3 . . . . -1.5(3) ? C15 C1 C2 C3 . . . . -177.44(19) ? O1 C2 C3 C4 . . . . 178.09(19) ? C1 C2 C3 C4 . . . . -0.5(3) ? C20 O2 C4 C5 . . . . -8.1(3) ? C20 O2 C4 C3 . . . . 172.3(2) ? C2 C3 C4 O2 . . . . -178.10(19) ? C2 C3 C4 C5 . . . . 2.3(3) ? O2 C4 C5 C6 . . . . 178.4(2) ? C3 C4 C5 C6 . . . . -2.0(3) ? C2 C1 C6 C5 . . . . 1.8(3) ? C15 C1 C6 C5 . . . . 177.43(19) ? C2 C1 C6 C7 . . . . -175.00(18) ? C15 C1 C6 C7 . . . . 0.7(3) ? C4 C5 C6 C1 . . . . -0.1(3) ? C4 C5 C6 C7 . . . . 176.70(19) ? C1 C6 C7 C8 . . . . -157.3(2) ? C5 C6 C7 C8 . . . . 25.9(3) ? C6 C7 C8 C9 . . . . 176.15(18) ? C7 C8 C9 C10 . . . . 174.4(2) ? C7 C8 C9 C14 . . . . -8.0(3) ? C14 C9 C10 C11 . . . . 0.1(3) ? C8 C9 C10 C11 . . . . 177.91(19) ? C9 C10 C11 C12 . . . . -0.2(3) ? C21 O3 C12 C11 . . . . 4.0(3) ? C21 O3 C12 C13 . . . . -175.4(2) ? C10 C11 C12 O3 . . . . -178.8(2) ? C10 C11 C12 C13 . . . . 0.6(3) ? O3 C12 C13 C14 . . . . 178.5(2) ? C11 C12 C13 C14 . . . . -1.0(4) ? C12 C13 C14 C9 . . . . 1.0(4) ? C10 C9 C14 C13 . . . . -0.5(3) ? C8 C9 C14 C13 . . . . -178.2(2) ? C6 C1 C15 C16 . . . . 52.1(3) ? C2 C1 C15 C16 . . . . -132.2(2) ? C1 C15 C16 C17 . . . . -176.34(19) ? C1 C15 C16 S1 . . . . 5.2(3) ? C18 S1 C16 C15 . . . . 179.4(2) ? C18 S1 C16 C17 . . . . 0.77(14) ? C18 N1 C17 O4 . . . . -176.10(19) ? C18 N1 C17 C16 . . . . 3.4(2) ? C15 C16 C17 O4 . . . . -1.8(3) ? S1 C16 C17 O4 . . . . 176.94(16) ? C15 C16 C17 N1 . . . . 178.79(19) ? S1 C16 C17 N1 . . . . -2.5(2) ? C17 N1 C18 N2 . . . . 179.14(19) ? C17 N1 C18 S1 . . . . -2.8(2) ? C16 S1 C18 N2 . . . . 179.25(18) ? C16 S1 C18 N1 . . . . 1.12(17) ? 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 N2 H2A O4 4_576 0.88 2.07 2.926(2) 163 N2 H2A N1 4_576 0.88 2.64 3.175(2) 120 N2 H2B O1S 1_556 0.88 2.05 2.872(2) 154 O1S H1S O4 . 0.84 1.88 2.716(2) 172