#------------------------------------------------------------------------------ #$Date: 2013-12-28 15:58:47 +0200 (Sat, 28 Dec 2013) $ #$Revision: 91933 $ #$URL: file:///home/coder/svn-repositories/cod/cif/2/01/26/2012610.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_2012610 loop_ _publ_author_name 'Mohamed, Ahmed A.' 'Fackler, John P. Jr' _publ_section_title ; Bis(3,5-dimethylpyrazole-\kN^2^)silver(I) nitrate ; _journal_issue 4 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first m228 _journal_page_last m229 _journal_volume 58 _journal_year 2002 _chemical_formula_iupac '[Ag (C5 H7 N2)2] (N O3)' _chemical_formula_moiety 'C10 H16 Ag N4 1+, N1 O3 1-' _chemical_formula_sum 'C10 H16 Ag N5 O3' _chemical_formula_weight 362.15 _chemical_name_systematic ; ? ; _space_group_IT_number 2 _symmetry_cell_setting triclinic _symmetry_space_group_name_Hall '-P 1' _symmetry_space_group_name_H-M 'P -1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.99(2) _cell_angle_beta 109.47(2) _cell_angle_gamma 101.01(3) _cell_formula_units_Z 4 _cell_length_a 10.0300(10) _cell_length_b 11.3360(10) _cell_length_c 13.656(2) _cell_measurement_reflns_used 4477 _cell_measurement_temperature 213(2) _cell_measurement_theta_max 27.5 _cell_measurement_theta_min 2.53 _cell_volume 1431.4(4) _computing_cell_refinement 'SAINT (Bruker, 1999)' _computing_data_collection 'SMART (Bruker, 2001)' _computing_data_reduction SAINT _computing_molecular_graphics 'SHELXTL (Siemens, 1996)' _computing_publication_material SHELXL97 _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1990)' _diffrn_ambient_temperature 293(2) _diffrn_measured_fraction_theta_full 0.978 _diffrn_measured_fraction_theta_max 0.978 _diffrn_measurement_device_type 'Bruker SMART' _diffrn_measurement_method \w _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'normal-focus sealed tube' _diffrn_radiation_type MoK\a _diffrn_radiation_wavelength 0.71073 _diffrn_reflns_av_R_equivalents 0.0219 _diffrn_reflns_av_sigmaI/netI 0.0442 _diffrn_reflns_limit_h_max 11 _diffrn_reflns_limit_h_min -11 _diffrn_reflns_limit_k_max 13 _diffrn_reflns_limit_k_min -12 _diffrn_reflns_limit_l_max 16 _diffrn_reflns_limit_l_min -10 _diffrn_reflns_number 7378 _diffrn_reflns_theta_full 25.00 _diffrn_reflns_theta_max 25.00 _diffrn_reflns_theta_min 1.84 _diffrn_standards_decay_% <2 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 1.420 _exptl_absorpt_correction_T_max 0.884 _exptl_absorpt_correction_T_min 0.703 _exptl_absorpt_correction_type multi-scan _exptl_absorpt_process_details '(SADABS; Blessing, 1995)' _exptl_crystal_colour colourless _exptl_crystal_density_diffrn 1.680 _exptl_crystal_density_method 'not measured' _exptl_crystal_description plate _exptl_crystal_F_000 728 _exptl_crystal_size_max 0.455 _exptl_crystal_size_mid 0.117 _exptl_crystal_size_min 0.087 _refine_diff_density_max 1.137 _refine_diff_density_min -1.015 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.064 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 351 _refine_ls_number_reflns 4913 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.064 _refine_ls_R_factor_all 0.0559 _refine_ls_R_factor_gt 0.0400 _refine_ls_shift/su_max 0.022 _refine_ls_shift/su_mean 0.001 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'calc w = 1/[\s^2^(Fo^2^)+(0.037P)^2^+1.000P] where P = (Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0881 _refine_ls_wR_factor_ref 0.0943 _reflns_number_gt 3871 _reflns_number_total 4913 _reflns_threshold_expression I>2\s(I) _[local]_cod_data_source_file bk1637.cif _[local]_cod_data_source_block I _cod_original_cell_volume 1431.4(3) _cod_database_code 2012610 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x, -y, -z' 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 Ag1 1.13535(4) 1.11512(3) 1.37322(3) 0.04379(13) Uani d . 1 . . Ag Ag2 0.63916(4) 0.63958(3) 0.88521(3) 0.03984(13) Uani d . 1 . . Ag N1 1.0365(4) 1.2331(3) 1.1675(3) 0.0347(9) Uani d . 1 . . N H1D 0.9995 1.1620 1.1360 0.042 Uiso calc R 1 . . H N2 1.1037(4) 1.2546(3) 1.2720(3) 0.0354(9) Uani d . 1 . . N N3 1.1544(4) 0.9791(3) 1.4786(3) 0.0360(9) Uani d . 1 . . N N4 1.2254(4) 1.0088(3) 1.5825(3) 0.0344(9) Uani d . 1 . . N H4A 1.2754 1.0795 1.6088 0.041 Uiso calc R 1 . . H N5 0.6696(4) 0.8963(3) 0.8080(3) 0.0343(9) Uani d . 1 . . N H5D 0.7234 0.9255 0.8702 0.041 Uiso calc R 1 . . H N6 0.6055(4) 0.7774(3) 0.7813(3) 0.0344(9) Uani d . 1 . . N N7 0.6555(4) 0.4905(3) 0.9781(3) 0.0308(8) Uani d . 1 . . N N8 0.5927(4) 0.3762(3) 0.9345(3) 0.0321(9) Uani d . 1 . . N H8B 0.5543 0.3570 0.8684 0.039 Uiso calc R 1 . . H N9 0.8795(4) 0.9419(3) 1.0669(3) 0.0369(9) Uani d . 1 . . N N10 0.4473(5) 0.2894(3) 0.6684(3) 0.0448(11) Uani d . 1 . . N C1 0.9633(5) 1.3317(4) 1.0038(4) 0.0431(12) Uani d . 1 . . C H1A 0.9323 1.2495 0.9740 0.065 Uiso calc R 1 . . H H1B 1.0308 1.3750 0.9745 0.065 Uiso calc R 1 . . H H1C 0.8810 1.3687 0.9889 0.065 Uiso calc R 1 . . H C2 1.0339(5) 1.3344(3) 1.1184(4) 0.0345(10) Uani d . 1 . . C C3 1.1050(5) 1.4272(4) 1.1957(4) 0.0393(12) Uani d . 1 . . C H3A 1.1226 1.5092 1.1867 0.047 Uiso calc R 1 . . H C4 1.1453(5) 1.3747(4) 1.2893(4) 0.0378(11) Uani d . 1 . . C C5 1.2211(6) 1.4338(4) 1.3974(4) 0.0595(15) Uani d . 1 . . C H5A 1.2601 1.3758 1.4429 0.089 Uiso calc R 1 . . H H5B 1.1538 1.4649 1.4214 0.089 Uiso calc R 1 . . H H5C 1.2982 1.4988 1.3975 0.089 Uiso calc R 1 . . H C6 0.9983(6) 0.7969(4) 1.3669(4) 0.0533(14) Uani d . 1 . . C H6A 0.9880 0.8529 1.3143 0.080 Uiso calc R 1 . . H H6B 0.9047 0.7611 1.3692 0.080 Uiso calc R 1 . . H H6C 1.0428 0.7350 1.3507 0.080 Uiso calc R 1 . . H C7 1.0908(5) 0.8621(3) 1.4707(4) 0.0342(10) Uani d . 1 . . C C8 1.1223(5) 0.8199(3) 1.5690(4) 0.0357(11) Uani d . 1 . . C H8A 1.0911 0.7422 1.5845 0.043 Uiso calc R 1 . . H C9 1.2088(5) 0.9157(3) 1.6391(3) 0.0339(10) Uani d . 1 . . C C10 1.2773(5) 0.9259(4) 1.7547(4) 0.0475(12) Uani d . 1 . . C H10A 1.2827 1.0058 1.7822 0.071 Uiso calc R 1 . . H H10B 1.3730 0.9102 1.7729 0.071 Uiso calc R 1 . . H H10C 1.2204 0.8683 1.7834 0.071 Uiso calc R 1 . . H C11 0.4445(6) 0.6525(4) 0.6212(4) 0.0555(14) Uani d . 1 . . C H11A 0.4780 0.5874 0.6594 0.083 Uiso calc R 1 . . H H11B 0.4536 0.6465 0.5536 0.083 Uiso calc R 1 . . H H11C 0.3450 0.6482 0.6134 0.083 Uiso calc R 1 . . H C12 0.5330(5) 0.7697(4) 0.6788(4) 0.0365(11) Uani d . 1 . . C C13 0.5519(5) 0.8837(4) 0.6418(4) 0.0429(12) Uani d . 1 . . C H13A 0.5129 0.9026 0.5734 0.051 Uiso calc R 1 . . H C14 0.6394(5) 0.9622(3) 0.7262(4) 0.0347(10) Uani d . 1 . . C C15 0.6953(5) 1.0954(4) 0.7378(4) 0.0481(13) Uani d . 1 . . C H15A 0.7970 1.1133 0.7771 0.072 Uiso calc R 1 . . H H15B 0.6454 1.1341 0.7736 0.072 Uiso calc R 1 . . H H15C 0.6795 1.1245 0.6701 0.072 Uiso calc R 1 . . H C16 0.5368(5) 0.1645(3) 0.9785(4) 0.0451(13) Uani d . 1 . . C H16A 0.4720 0.1515 0.9076 0.068 Uiso calc R 1 . . H H16B 0.4853 0.1341 1.0238 0.068 Uiso calc R 1 . . H H16C 0.6142 0.1230 0.9861 0.068 Uiso calc R 1 . . H C17 0.5975(5) 0.2966(3) 1.0065(3) 0.0316(10) Uani d . 1 . . C C18 0.6648(5) 0.3622(3) 1.1019(4) 0.0336(10) Uani d . 1 . . C H18A 0.6837 0.3325 1.1671 0.040 Uiso calc R 1 . . H C19 0.6992(4) 0.4824(3) 1.0811(3) 0.0307(10) Uani d . 1 . . C C20 0.7729(5) 0.5900(4) 1.1576(4) 0.0451(12) Uani d . 1 . . C H20A 0.7756 0.6615 1.1211 0.068 Uiso calc R 1 . . H H20B 0.8698 0.5826 1.1964 0.068 Uiso calc R 1 . . H H20C 0.7207 0.5951 1.2045 0.068 Uiso calc R 1 . . H O1 0.8255(4) 0.8369(3) 1.0302(3) 0.0665(12) Uani d . 1 . . O O2 0.9716(4) 0.9676(3) 1.1554(3) 0.0578(10) Uani d . 1 . . O O3 0.8419(4) 1.0251(3) 1.0123(3) 0.0540(10) Uani d . 1 . . O O4 0.4103(5) 0.2569(4) 0.5752(3) 0.0844(14) Uani d . 1 . . O O5 0.5410(5) 0.3810(3) 0.7099(3) 0.0757(13) Uani d . 1 . . O O6 0.3939(4) 0.2258(3) 0.7247(3) 0.0588(10) Uani d . 1 . . O 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 Ag1 0.0531(3) 0.0446(2) 0.0421(2) 0.01650(16) 0.02301(19) 0.01914(16) Ag2 0.0406(2) 0.03845(19) 0.0433(3) 0.01120(15) 0.01593(18) 0.01510(16) N1 0.037(2) 0.0322(17) 0.033(2) 0.0043(15) 0.0118(17) 0.0027(16) N2 0.040(2) 0.0368(18) 0.031(2) 0.0104(15) 0.0134(17) 0.0078(16) N3 0.038(2) 0.0372(18) 0.030(2) 0.0061(15) 0.0085(17) 0.0041(16) N4 0.034(2) 0.0302(16) 0.033(2) 0.0034(14) 0.0047(17) 0.0013(16) N5 0.034(2) 0.0366(17) 0.031(2) 0.0072(15) 0.0086(17) 0.0029(16) N6 0.034(2) 0.0335(17) 0.036(2) 0.0073(15) 0.0120(17) 0.0052(16) N7 0.034(2) 0.0287(16) 0.030(2) 0.0054(14) 0.0120(17) 0.0012(15) N8 0.034(2) 0.0316(16) 0.027(2) 0.0053(14) 0.0074(16) -0.0030(15) N9 0.038(2) 0.0362(18) 0.036(2) 0.0047(16) 0.0140(18) -0.0028(17) N10 0.059(3) 0.0337(19) 0.034(3) 0.0085(18) 0.007(2) -0.0021(18) C1 0.043(3) 0.046(2) 0.038(3) 0.012(2) 0.009(2) 0.011(2) C2 0.034(3) 0.035(2) 0.038(3) 0.0118(18) 0.014(2) 0.010(2) C3 0.048(3) 0.030(2) 0.039(3) 0.0069(19) 0.014(2) 0.007(2) C4 0.037(3) 0.039(2) 0.039(3) 0.0062(19) 0.017(2) 0.003(2) C5 0.067(4) 0.061(3) 0.042(3) 0.004(3) 0.012(3) -0.004(3) C6 0.058(3) 0.051(3) 0.039(3) -0.001(2) 0.010(3) -0.008(2) C7 0.034(3) 0.035(2) 0.034(3) 0.0065(18) 0.013(2) 0.0015(19) C8 0.036(3) 0.032(2) 0.042(3) 0.0058(17) 0.016(2) 0.008(2) C9 0.034(3) 0.036(2) 0.033(3) 0.0112(18) 0.010(2) 0.0057(19) C10 0.047(3) 0.057(3) 0.036(3) 0.013(2) 0.010(2) 0.009(2) C11 0.058(4) 0.049(3) 0.051(4) 0.003(2) 0.013(3) -0.007(2) C12 0.038(3) 0.039(2) 0.035(3) 0.0118(19) 0.014(2) 0.004(2) C13 0.046(3) 0.051(3) 0.032(3) 0.019(2) 0.009(2) 0.011(2) C14 0.030(2) 0.037(2) 0.042(3) 0.0108(18) 0.016(2) 0.011(2) C15 0.053(3) 0.040(2) 0.057(3) 0.016(2) 0.023(3) 0.010(2) C16 0.052(3) 0.031(2) 0.047(3) 0.0027(19) 0.013(2) -0.003(2) C17 0.032(2) 0.0303(19) 0.034(3) 0.0075(17) 0.013(2) 0.0041(18) C18 0.036(3) 0.037(2) 0.030(3) 0.0099(18) 0.012(2) 0.0049(19) C19 0.030(2) 0.0330(19) 0.032(3) 0.0087(17) 0.013(2) 0.0026(18) C20 0.047(3) 0.039(2) 0.044(3) 0.006(2) 0.011(2) -0.007(2) O1 0.077(3) 0.0333(16) 0.070(3) -0.0009(16) 0.008(2) -0.0077(17) O2 0.060(2) 0.063(2) 0.037(2) 0.0139(17) -0.0003(18) -0.0058(17) O3 0.071(3) 0.0379(16) 0.044(2) 0.0144(16) 0.0070(18) 0.0064(15) O4 0.124(4) 0.080(3) 0.030(2) 0.001(2) 0.012(2) -0.007(2) O5 0.097(3) 0.0482(19) 0.060(3) -0.022(2) 0.019(2) -0.0059(18) O6 0.066(3) 0.0550(19) 0.060(3) 0.0025(17) 0.034(2) 0.0043(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 Ag1 N2 . 2.119(3) y Ag1 N3 . 2.120(3) y Ag1 O2 . 3.140(3) ? Ag1 Ag2 . 8.0395(8) ? Ag2 N6 . 2.127(3) y Ag2 N7 . 2.129(3) y N1 C2 . 1.340(5) ? N1 N2 . 1.354(5) ? N1 H1D . 0.8600 ? N2 C4 . 1.337(5) ? N3 C7 . 1.342(5) ? N3 N4 . 1.361(5) ? N4 C9 . 1.336(5) ? N4 H4A . 0.8600 ? N5 C14 . 1.337(5) ? N5 N6 . 1.364(4) ? N5 H5D . 0.8600 ? N6 C12 . 1.338(5) ? N7 C19 . 1.337(5) ? N7 N8 . 1.357(4) ? N8 C17 . 1.343(5) ? N8 H8B . 0.8600 ? N9 O1 . 1.230(4) ? N9 O2 . 1.241(4) ? N9 O3 . 1.249(4) ? N10 O4 . 1.230(5) ? N10 O5 . 1.238(5) ? N10 O6 . 1.242(5) ? C1 C2 . 1.484(6) ? C1 H1A . 0.9600 ? C1 H1B . 0.9600 ? C1 H1C . 0.9600 ? C2 C3 . 1.379(6) ? C3 C4 . 1.388(6) ? C3 H3A . 0.9300 ? C4 C5 . 1.493(6) ? C5 H5A . 0.9600 ? C5 H5B . 0.9600 ? C5 H5C . 0.9600 ? C6 C7 . 1.498(6) ? C6 H6A . 0.9600 ? C6 H6B . 0.9600 ? C6 H6C . 0.9600 ? C7 C8 . 1.388(6) ? C8 C9 . 1.377(6) ? C8 H8A . 0.9300 ? C9 C10 . 1.489(6) ? C10 H10A . 0.9600 ? C10 H10B . 0.9600 ? C10 H10C . 0.9600 ? C11 C12 . 1.489(6) ? C11 H11A . 0.9600 ? C11 H11B . 0.9600 ? C11 H11C . 0.9600 ? C12 C13 . 1.398(6) ? C13 C14 . 1.372(6) ? C13 H13A . 0.9300 ? C14 C15 . 1.493(5) ? C15 H15A . 0.9600 ? C15 H15B . 0.9600 ? C15 H15C . 0.9600 ? C16 C17 . 1.495(5) ? C16 H16A . 0.9600 ? C16 H16B . 0.9600 ? C16 H16C . 0.9600 ? C17 C18 . 1.376(6) ? C18 C19 . 1.399(5) ? C18 H18A . 0.9300 ? C19 C20 . 1.490(6) ? C20 H20A . 0.9600 ? C20 H20B . 0.9600 ? C20 H20C . 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 0.0016 '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' Ag Ag -0.8971 1.1015 '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' 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 N2 Ag1 N3 175.51(14) y N6 Ag2 N7 174.44(12) y C2 N1 N2 112.8(3) ? C2 N1 H1D 123.6 ? N2 N1 H1D 123.6 ? C4 N2 N1 105.1(3) ? C4 N2 Ag1 131.9(3) ? N1 N2 Ag1 123.0(2) y C7 N3 N4 105.0(3) ? C7 N3 Ag1 133.9(3) ? N4 N3 Ag1 120.3(2) y C9 N4 N3 112.4(3) ? C9 N4 H4A 123.8 ? N3 N4 H4A 123.8 ? C14 N5 N6 112.3(3) ? C14 N5 H5D 123.9 ? N6 N5 H5D 123.9 ? C12 N6 N5 105.1(3) ? C12 N6 Ag2 130.3(3) ? N5 N6 Ag2 124.3(3) y C19 N7 N8 105.5(3) ? C19 N7 Ag2 132.8(3) ? N8 N7 Ag2 120.8(3) y C17 N8 N7 112.1(3) ? C17 N8 H8B 124.0 ? N7 N8 H8B 124.0 ? O1 N9 O2 122.2(4) ? O1 N9 O3 118.7(4) ? O2 N9 O3 119.1(3) ? O4 N10 O5 122.5(5) ? O4 N10 O6 119.2(4) ? O5 N10 O6 118.2(4) ? C2 C1 H1A 109.5 ? C2 C1 H1B 109.5 ? H1A C1 H1B 109.5 ? C2 C1 H1C 109.5 ? H1A C1 H1C 109.5 ? H1B C1 H1C 109.5 ? N1 C2 C3 105.4(4) ? N1 C2 C1 121.8(4) ? C3 C2 C1 132.8(4) ? C2 C3 C4 106.8(4) ? C2 C3 H3A 126.6 ? C4 C3 H3A 126.6 ? N2 C4 C3 110.0(4) ? N2 C4 C5 120.9(4) ? C3 C4 C5 129.1(4) ? C4 C5 H5A 109.5 ? C4 C5 H5B 109.5 ? H5A C5 H5B 109.5 ? C4 C5 H5C 109.5 ? H5A C5 H5C 109.5 ? H5B C5 H5C 109.5 ? C7 C6 H6A 109.5 ? C7 C6 H6B 109.5 ? H6A C6 H6B 109.5 ? C7 C6 H6C 109.5 ? H6A C6 H6C 109.5 ? H6B C6 H6C 109.5 ? N3 C7 C8 110.0(4) ? N3 C7 C6 120.8(4) ? C8 C7 C6 129.2(4) ? C9 C8 C7 106.6(4) ? C9 C8 H8A 126.7 ? C7 C8 H8A 126.7 ? N4 C9 C8 106.1(4) ? N4 C9 C10 122.3(4) ? C8 C9 C10 131.7(4) ? C9 C10 H10A 109.5 ? C9 C10 H10B 109.5 ? H10A C10 H10B 109.5 ? C9 C10 H10C 109.5 ? H10A C10 H10C 109.5 ? H10B C10 H10C 109.5 ? C12 C11 H11A 109.5 ? C12 C11 H11B 109.5 ? H11A C11 H11B 109.5 ? C12 C11 H11C 109.5 ? H11A C11 H11C 109.5 ? H11B C11 H11C 109.5 ? N6 C12 C13 109.9(4) ? N6 C12 C11 120.9(4) ? C13 C12 C11 129.1(4) ? C14 C13 C12 106.4(4) ? C14 C13 H13A 126.8 ? C12 C13 H13A 126.8 ? N5 C14 C13 106.4(4) ? N5 C14 C15 121.4(4) ? C13 C14 C15 132.2(4) ? C14 C15 H15A 109.5 ? C14 C15 H15B 109.5 ? H15A C15 H15B 109.5 ? C14 C15 H15C 109.5 ? H15A C15 H15C 109.5 ? H15B C15 H15C 109.5 ? C17 C16 H16A 109.5 ? C17 C16 H16B 109.5 ? H16A C16 H16B 109.5 ? C17 C16 H16C 109.5 ? H16A C16 H16C 109.5 ? H16B C16 H16C 109.5 ? N8 C17 C18 106.3(3) ? N8 C17 C16 122.5(4) ? C18 C17 C16 131.2(4) ? C17 C18 C19 106.3(4) ? C17 C18 H18A 126.9 ? C19 C18 H18A 126.9 ? N7 C19 C18 109.8(4) ? N7 C19 C20 122.3(4) ? C18 C19 C20 127.8(4) ? C19 C20 H20A 109.5 ? C19 C20 H20B 109.5 ? H20A C20 H20B 109.5 ? C19 C20 H20C 109.5 ? H20A C20 H20C 109.5 ? H20B C20 H20C 109.5 ? N9 O2 Ag1 156.9(3) ? 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 N1 H1D O2 . 0.86 2.20 2.945(5) 145 N1 H1D O3 . 0.86 2.23 3.029(5) 155 N1 H1D N9 . 0.86 2.56 3.417(5) 171 N4 H4A O6 1_666 0.86 2.14 2.956(5) 159 N4 H4A O4 1_666 0.86 2.34 3.083(5) 144 N4 H4A N10 1_666 0.86 2.59 3.446(5) 171 N5 H5D O3 . 0.86 2.08 2.930(5) 170 N5 H5D O1 . 0.86 2.41 3.069(5) 134 N5 H5D N9 . 0.86 2.60 3.430(5) 162 N8 H8B O5 . 0.86 2.15 2.937(5) 153 N8 H8B O6 . 0.86 2.35 3.133(5) 151 N8 H8B N10 . 0.86 2.62 3.477(5) 177 _cod_database_fobs_code 2012610 _journal_paper_doi 10.1107/S0108270102002044