#------------------------------------------------------------------------------ #$Date: 2009-11-16 01:43:51 +0000 (Mon, 16 Nov 2009) $ #$Revision: 853 $ #$URL: svn://www.crystallography.net/cod/cif/2/2203744.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_2203744 _space_group_IT_number 14 _symmetry_space_group_name_Hall '-P 2ybc' _symmetry_space_group_name_H-M 'P 1 21/c 1' _[local]_cod_cif_authors_sg_H-M 'P 21/c' loop_ _publ_author_name 'Ali, Hapipah' 'Khamis, Nur Ashikin' 'Basirun, W. Jefri.' 'Yamin, Bohari M.' _publ_section_title ; Bis{2'-[1-(2-hydroxyphenyl)ethylidene]benzohydrazido}bis(pyridine-\kN)zinc(II) ; _journal_issue 6 _journal_name_full 'Acta Crystallographica, Section E' _journal_page_first m873 _journal_page_last m875 _journal_volume 60 _journal_year 2004 _chemical_formula_iupac '[Zn (C 15 H13 N2 O2)2 (C5 H5 N)2]' _chemical_formula_moiety 'C40 H36 N6 O4 Zn' _chemical_formula_sum 'C40 H36 N6 O4 Zn' _chemical_formula_weight 730.12 _chemical_name_systematic ; Bis{2'-[1-(2-hydroxyphenyl)ethylidene]benzohydrazido}bis(pyridine-\kN)zinc(II) ; _symmetry_cell_setting Monoclinic _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 95.138(2) _cell_angle_gamma 90.00 _cell_formula_units_Z 2 _cell_length_a 10.3531(11) _cell_length_b 15.0133(16) _cell_length_c 11.6892(12) _cell_measurement_reflns_used 2851 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 27.0 _cell_measurement_theta_min 1.9 _cell_volume 1809.6(3) _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, 2003) ; _computing_structure_refinement 'SHELXTL (Sheldrick, 1997)' _computing_structure_solution 'SHELXTL (Sheldrick, 1997)' _diffrn_ambient_temperature 293(2) _diffrn_detector_area_resol_mean 83.66 _diffrn_measured_fraction_theta_full 0.99 _diffrn_measured_fraction_theta_max 0.99 _diffrn_measurement_device_type 'Bruker SMART APEX 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 0.0257 _diffrn_reflns_av_sigmaI/netI 0.0393 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_h_min -13 _diffrn_reflns_limit_k_max 15 _diffrn_reflns_limit_k_min -19 _diffrn_reflns_limit_l_max 14 _diffrn_reflns_limit_l_min -13 _diffrn_reflns_number 9919 _diffrn_reflns_theta_full 27.0 _diffrn_reflns_theta_max 27.0 _diffrn_reflns_theta_min 1.9 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count 0 _diffrn_standards_interval_time 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.728 _exptl_absorpt_correction_T_max 0.8924 _exptl_absorpt_correction_T_min 0.8166 _exptl_absorpt_correction_type Multi-scan _exptl_absorpt_process_details '(SADABS; Sheldrick, 1996)' _exptl_crystal_colour 'Light yellow' _exptl_crystal_density_diffrn 1.340 _exptl_crystal_density_method 'not measured' _exptl_crystal_description Block _exptl_crystal_F_000 760 _exptl_crystal_size_max 0.29 _exptl_crystal_size_mid 0.20 _exptl_crystal_size_min 0.16 _refine_diff_density_max 0.54 _refine_diff_density_min -0.24 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.219 _refine_ls_hydrogen_treatment mixed _refine_ls_matrix_type full _refine_ls_number_parameters 237 _refine_ls_number_reflns 3933 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.219 _refine_ls_R_factor_all 0.0783 _refine_ls_R_factor_gt 0.0637 _refine_ls_shift/su_max 0.000 _refine_ls_shift/su_mean 0.000 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w = 1/[\s^2^(Fo^2^)+(0.0583P)^2^+0.6177P] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.1379 _refine_ls_wR_factor_ref 0.1445 _reflns_number_gt 3304 _reflns_number_total 3933 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file cv6317.cif 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_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' Zn Zn 0.2839 1.4301 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_adp_type _atom_site_calc_flag _atom_site_refinement_flags _atom_site_occupancy _atom_site_type_symbol Zn1 1.0000 0.0000 0.5000 0.03982(17) Uani d S 1 Zn O1 0.6597(3) 0.0240(2) 0.1600(3) 0.0745(9) Uani d . 1 O O2 1.09075(19) 0.11709(13) 0.53913(17) 0.0431(5) Uani d . 1 O N1 0.9181(2) 0.01801(15) 0.3191(2) 0.0394(6) Uani d . 1 N N2 1.1629(2) 0.05382(16) 0.7123(2) 0.0378(5) Uani d . 1 N N3 0.8164(2) 0.05780(18) 0.5519(2) 0.0464(6) Uani d . 1 N C1 0.9485(5) 0.1064(3) 0.0358(3) 0.0711(11) Uani d . 1 C H1B 1.0345 0.1214 0.0567 0.085 Uiso calc R 1 H C2 0.9000(7) 0.1148(3) -0.0769(4) 0.1006(18) Uani d . 1 C H2C 0.9537 0.1330 -0.1321 0.121 Uiso calc R 1 H C3 0.7728(8) 0.0963(3) -0.1072(4) 0.116(2) Uani d . 1 C H3A 0.7389 0.1044 -0.1829 0.139 Uiso calc R 1 H C4 0.6946(5) 0.0659(3) -0.0280(4) 0.0914(16) Uani d . 1 C H4A 0.6082 0.0528 -0.0503 0.110 Uiso calc R 1 H C5 0.7431(4) 0.0542(2) 0.0864(3) 0.0612(10) Uani d . 1 C C6 0.8713(3) 0.0757(2) 0.1197(3) 0.0476(7) Uani d . 1 C C7 0.9310(3) 0.0764(2) 0.2406(3) 0.0431(7) Uani d . 1 C C8 1.0184(4) 0.1537(3) 0.2727(3) 0.0701(11) Uani d . 1 C H8A 1.0519 0.1483 0.3517 0.105 Uiso calc R 1 H H8B 0.9703 0.2082 0.2622 0.105 Uiso calc R 1 H H8C 1.0890 0.1541 0.2248 0.105 Uiso calc R 1 H C9 1.1602(2) 0.11658(18) 0.6340(2) 0.0351(6) Uani d . 1 C C10 1.2486(3) 0.19371(18) 0.6594(2) 0.0355(6) Uani d . 1 C C11 1.3164(3) 0.2050(2) 0.7658(3) 0.0520(8) Uani d . 1 C H11A 1.3058 0.1648 0.8246 0.062 Uiso calc R 1 H C12 1.3999(4) 0.2763(3) 0.7844(3) 0.0662(10) Uani d . 1 C H12A 1.4455 0.2835 0.8560 0.079 Uiso calc R 1 H C13 1.4163(4) 0.3361(3) 0.6993(3) 0.0686(11) Uani d . 1 C H13A 1.4736 0.3835 0.7125 0.082 Uiso calc R 1 H C14 1.3482(4) 0.3260(2) 0.5947(3) 0.0603(9) Uani d . 1 C H14A 1.3587 0.3670 0.5366 0.072 Uiso calc R 1 H C15 1.2646(3) 0.2560(2) 0.5744(3) 0.0446(7) Uani d . 1 C H15A 1.2182 0.2502 0.5029 0.054 Uiso calc R 1 H C16 0.7190(3) 0.0096(2) 0.5837(3) 0.0537(8) Uani d . 1 C H16A 0.7301 -0.0517 0.5903 0.064 Uiso calc R 1 H C17 0.6031(3) 0.0451(3) 0.6074(3) 0.0637(10) Uani d . 1 C H17A 0.5377 0.0087 0.6307 0.076 Uiso calc R 1 H C18 0.5846(4) 0.1341(3) 0.5965(4) 0.0733(11) Uani d . 1 C H18A 0.5058 0.1596 0.6105 0.088 Uiso calc R 1 H C19 0.6836(4) 0.1854(3) 0.5647(4) 0.0799(12) Uani d . 1 C H19A 0.6740 0.2468 0.5577 0.096 Uiso calc R 1 H C20 0.7975(4) 0.1450(3) 0.5432(3) 0.0661(10) Uani d . 1 C H20A 0.8648 0.1804 0.5214 0.079 Uiso calc R 1 H H1O 0.695(4) -0.003(2) 0.209(3) 0.050(11) Uiso d . 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 Zn1 0.0386(3) 0.0384(3) 0.0419(3) -0.0086(2) 0.00053(19) 0.0007(2) O1 0.0497(16) 0.0660(18) 0.103(2) 0.0087(13) -0.0186(16) 0.0156(17) O2 0.0464(11) 0.0396(11) 0.0419(11) -0.0096(9) -0.0028(9) 0.0049(9) N1 0.0411(13) 0.0351(13) 0.0419(13) -0.0070(10) 0.0031(10) 0.0018(10) N2 0.0409(13) 0.0352(13) 0.0373(13) -0.0062(10) 0.0034(10) 0.0034(10) N3 0.0426(14) 0.0476(16) 0.0492(15) -0.0007(11) 0.0050(11) 0.0021(12) C1 0.109(3) 0.056(2) 0.049(2) -0.005(2) 0.013(2) 0.0079(17) C2 0.187(6) 0.070(3) 0.047(2) -0.009(3) 0.020(3) 0.007(2) C3 0.221(7) 0.062(3) 0.055(3) -0.007(4) -0.046(4) 0.007(2) C4 0.131(4) 0.047(2) 0.084(3) 0.000(2) -0.053(3) 0.001(2) C5 0.080(3) 0.0322(18) 0.067(2) 0.0053(16) -0.018(2) 0.0017(16) C6 0.069(2) 0.0324(16) 0.0409(16) 0.0022(14) 0.0004(15) 0.0012(13) C7 0.0459(17) 0.0418(17) 0.0415(16) -0.0038(13) 0.0032(13) 0.0037(13) C8 0.090(3) 0.061(2) 0.057(2) -0.034(2) -0.009(2) 0.0169(18) C9 0.0333(14) 0.0351(15) 0.0378(14) -0.0003(11) 0.0087(11) -0.0046(12) C10 0.0342(14) 0.0344(15) 0.0392(15) -0.0016(11) 0.0098(11) -0.0074(12) C11 0.063(2) 0.052(2) 0.0409(17) -0.0147(16) 0.0069(15) -0.0052(15) C12 0.074(2) 0.069(3) 0.054(2) -0.025(2) 0.0009(18) -0.0192(19) C13 0.078(3) 0.053(2) 0.077(3) -0.0292(19) 0.020(2) -0.021(2) C14 0.077(2) 0.0441(19) 0.062(2) -0.0160(17) 0.0206(19) -0.0023(17) C15 0.0489(17) 0.0389(16) 0.0470(17) -0.0015(13) 0.0090(13) -0.0023(14) C16 0.0522(19) 0.052(2) 0.058(2) -0.0044(15) 0.0077(16) -0.0042(16) C17 0.048(2) 0.078(3) 0.066(2) -0.0047(18) 0.0119(17) -0.003(2) C18 0.048(2) 0.091(3) 0.082(3) 0.020(2) 0.0090(19) -0.001(2) C19 0.070(3) 0.061(3) 0.110(3) 0.021(2) 0.012(2) 0.010(2) C20 0.058(2) 0.049(2) 0.092(3) 0.0042(17) 0.013(2) 0.013(2) 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 Zn1 O2 3_756 2.0261(19) yes Zn1 O2 . 2.0261(19) ? Zn1 N3 3_756 2.222(3) yes Zn1 N3 . 2.222(3) ? Zn1 N1 . 2.223(2) ? Zn1 N1 3_756 2.223(2) yes O1 C5 . 1.351(5) yes O1 H1O . 0.77(4) ? O2 C9 . 1.267(3) yes N1 C7 . 1.284(4) yes N1 N2 3_756 1.395(3) yes N2 C9 . 1.312(4) yes N2 N1 3_756 1.395(3) ? N3 C16 . 1.322(4) ? N3 C20 . 1.327(4) ? C1 C2 . 1.372(6) ? C1 C6 . 1.398(5) ? C1 H1B . 0.9300 ? C2 C3 . 1.362(8) ? C2 H2C . 0.9300 ? C3 C4 . 1.362(8) ? C3 H3A . 0.9300 ? C4 C5 . 1.397(5) ? C4 H4A . 0.9300 ? C5 C6 . 1.387(5) ? C6 C7 . 1.491(4) ? C7 C8 . 1.498(4) ? C8 H8A . 0.9600 ? C8 H8B . 0.9600 ? C8 H8C . 0.9600 ? C9 C10 . 1.489(4) ? C10 C11 . 1.383(4) ? C10 C15 . 1.385(4) ? C11 C12 . 1.380(5) ? C11 H11A . 0.9300 ? C12 C13 . 1.362(5) ? C12 H12A . 0.9300 ? C13 C14 . 1.364(5) ? C13 H13A . 0.9300 ? C14 C15 . 1.369(4) ? C14 H14A . 0.9300 ? C15 H15A . 0.9300 ? C16 C17 . 1.363(5) ? C16 H16A . 0.9300 ? C17 C18 . 1.354(6) ? C17 H17A . 0.9300 ? C18 C19 . 1.360(6) ? C18 H18A . 0.9300 ? C19 C20 . 1.369(5) ? C19 H19A . 0.9300 ? C20 H20A . 0.9300 ? 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 O2 Zn1 O2 3_756 . 180.00(6) yes O2 Zn1 N3 3_756 3_756 89.44(9) ? O2 Zn1 N3 . 3_756 90.56(9) yes O2 Zn1 N3 3_756 . 90.56(9) ? O2 Zn1 N3 . . 89.44(9) yes N3 Zn1 N3 3_756 . 180.0 yes O2 Zn1 N1 3_756 . 76.19(8) yes O2 Zn1 N1 . . 103.81(8) yes N3 Zn1 N1 3_756 . 92.88(9) yes N3 Zn1 N1 . . 87.12(9) yes O2 Zn1 N1 3_756 3_756 103.81(8) yes O2 Zn1 N1 . 3_756 76.19(8) ? N3 Zn1 N1 3_756 3_756 87.12(9) ? N3 Zn1 N1 . 3_756 92.88(9) ? N1 Zn1 N1 . 3_756 180.0 yes C5 O1 H1O . . 111(3) ? C9 O2 Zn1 . . 114.07(17) ? C7 N1 N2 . 3_756 116.0(2) ? C7 N1 Zn1 . . 135.0(2) ? N2 N1 Zn1 3_756 . 108.97(16) ? C9 N2 N1 . 3_756 113.4(2) ? C16 N3 C20 . . 116.8(3) ? C16 N3 Zn1 . . 123.8(2) ? C20 N3 Zn1 . . 119.3(2) ? C2 C1 C6 . . 121.4(4) ? C2 C1 H1B . . 119.3 ? C6 C1 H1B . . 119.3 ? C3 C2 C1 . . 119.6(5) ? C3 C2 H2C . . 120.2 ? C1 C2 H2C . . 120.2 ? C2 C3 C4 . . 120.7(4) ? C2 C3 H3A . . 119.6 ? C4 C3 H3A . . 119.6 ? C3 C4 C5 . . 120.6(5) ? C3 C4 H4A . . 119.7 ? C5 C4 H4A . . 119.7 ? O1 C5 C6 . . 123.3(3) ? O1 C5 C4 . . 117.1(4) ? C6 C5 C4 . . 119.5(4) ? C5 C6 C1 . . 118.2(3) ? C5 C6 C7 . . 124.9(3) ? C1 C6 C7 . . 116.6(3) ? N1 C7 C6 . . 127.7(3) ? N1 C7 C8 . . 116.7(3) ? C6 C7 C8 . . 115.6(3) ? C7 C8 H8A . . 109.5 ? C7 C8 H8B . . 109.5 ? H8A C8 H8B . . 109.5 ? C7 C8 H8C . . 109.5 ? H8A C8 H8C . . 109.5 ? H8B C8 H8C . . 109.5 ? O2 C9 N2 . . 126.2(3) ? O2 C9 C10 . . 117.4(2) ? N2 C9 C10 . . 116.4(2) ? C11 C10 C15 . . 118.6(3) ? C11 C10 C9 . . 121.9(3) ? C15 C10 C9 . . 119.6(3) ? C12 C11 C10 . . 119.9(3) ? C12 C11 H11A . . 120.1 ? C10 C11 H11A . . 120.1 ? C13 C12 C11 . . 120.8(3) ? C13 C12 H12A . . 119.6 ? C11 C12 H12A . . 119.6 ? C12 C13 C14 . . 119.6(3) ? C12 C13 H13A . . 120.2 ? C14 C13 H13A . . 120.2 ? C13 C14 C15 . . 120.5(3) ? C13 C14 H14A . . 119.7 ? C15 C14 H14A . . 119.7 ? C14 C15 C10 . . 120.6(3) ? C14 C15 H15A . . 119.7 ? C10 C15 H15A . . 119.7 ? N3 C16 C17 . . 123.4(3) ? N3 C16 H16A . . 118.3 ? C17 C16 H16A . . 118.3 ? C18 C17 C16 . . 119.1(4) ? C18 C17 H17A . . 120.5 ? C16 C17 H17A . . 120.5 ? C17 C18 C19 . . 118.7(4) ? C17 C18 H18A . . 120.6 ? C19 C18 H18A . . 120.6 ? C18 C19 C20 . . 118.8(4) ? C18 C19 H19A . . 120.6 ? C20 C19 H19A . . 120.6 ? N3 C20 C19 . . 123.2(4) ? N3 C20 H20A . . 118.4 ? C19 C20 H20A . . 118.4 ? 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_4 _geom_torsion O2 Zn1 O2 C9 3_756 . 0E1(6) N3 Zn1 O2 C9 3_756 . -77.37(19) N3 Zn1 O2 C9 . . 102.63(19) N1 Zn1 O2 C9 . . -170.48(18) N1 Zn1 O2 C9 3_756 . 9.52(18) O2 Zn1 N1 C7 3_756 . -169.7(3) O2 Zn1 N1 C7 . . 10.3(3) N3 Zn1 N1 C7 3_756 . -81.0(3) N3 Zn1 N1 C7 . . 99.0(3) N1 Zn1 N1 C7 3_756 . 10E1(10) O2 Zn1 N1 N2 3_756 3_756 8.53(16) O2 Zn1 N1 N2 . 3_756 -171.47(16) N3 Zn1 N1 N2 3_756 3_756 97.24(18) N3 Zn1 N1 N2 . 3_756 -82.76(18) N1 Zn1 N1 N2 3_756 3_756 -8E1(10) O2 Zn1 N3 C16 3_756 . 22.6(3) O2 Zn1 N3 C16 . . -157.4(3) N3 Zn1 N3 C16 3_756 . -11E1(10) N1 Zn1 N3 C16 . . 98.8(3) N1 Zn1 N3 C16 3_756 . -81.2(3) O2 Zn1 N3 C20 3_756 . -152.2(3) O2 Zn1 N3 C20 . . 27.8(3) N3 Zn1 N3 C20 3_756 . 7E1(10) N1 Zn1 N3 C20 . . -76.1(3) N1 Zn1 N3 C20 3_756 . 103.9(3) C6 C1 C2 C3 . . 2.6(7) C1 C2 C3 C4 . . -2.8(8) C2 C3 C4 C5 . . 0.8(8) C3 C4 C5 O1 . . 179.9(4) C3 C4 C5 C6 . . 1.4(6) O1 C5 C6 C1 . . 180.0(3) C4 C5 C6 C1 . . -1.6(5) O1 C5 C6 C7 . . -5.7(5) C4 C5 C6 C7 . . 172.7(3) C2 C1 C6 C5 . . -0.4(6) C2 C1 C6 C7 . . -175.1(4) N2 N1 C7 C6 3_756 . -1.0(5) Zn1 N1 C7 C6 . . 177.2(2) N2 N1 C7 C8 3_756 . -179.6(3) Zn1 N1 C7 C8 . . -1.5(5) C5 C6 C7 N1 . . 44.0(5) C1 C6 C7 N1 . . -141.6(4) C5 C6 C7 C8 . . -137.4(4) C1 C6 C7 C8 . . 37.0(4) Zn1 O2 C9 N2 . . -10.1(3) Zn1 O2 C9 C10 . . 169.17(17) N1 N2 C9 O2 3_756 . 1.8(4) N1 N2 C9 C10 3_756 . -177.5(2) O2 C9 C10 C11 . . 171.9(3) N2 C9 C10 C11 . . -8.7(4) O2 C9 C10 C15 . . -8.5(4) N2 C9 C10 C15 . . 170.9(3) C15 C10 C11 C12 . . -1.3(5) C9 C10 C11 C12 . . 178.3(3) C10 C11 C12 C13 . . 0.2(6) C11 C12 C13 C14 . . 0.7(6) C12 C13 C14 C15 . . -0.6(6) C13 C14 C15 C10 . . -0.6(5) C11 C10 C15 C14 . . 1.5(5) C9 C10 C15 C14 . . -178.1(3) C20 N3 C16 C17 . . -0.1(5) Zn1 N3 C16 C17 . . -175.0(3) N3 C16 C17 C18 . . 1.0(6) C16 C17 C18 C19 . . -1.4(6) C17 C18 C19 C20 . . 1.0(7) C16 N3 C20 C19 . . -0.4(6) Zn1 N3 C20 C19 . . 174.8(3) C18 C19 C20 N3 . . 0.0(7) 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 O1 H1O N1 1_555 0.77(4) 2.56(4) 3.120(4) 131(3) yes O1 H1O N2 3_756 0.77(4) 1.83(4) 2.545(4) 155(3) yes C8 H8A O2 1_555 0.96 2.24 3.185(4) 167 yes C20 H20A O2 1_555 0.93 2.52 3.069(5) 118 no C13 H13A O1 4_666 0.93 2.50 3.344(5) 152 yes