#------------------------------------------------------------------------------ #$Date: 2025-08-19 07:12:48 +0100 (Tue, 19 Aug 2025) $ #$Revision: 301798 $ #$URL: svn://www.crystallography.net/cod/cif/2/01/28/2012825.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_2012825 loop_ _publ_author_name 'Abdul Ajees, A.' 'Palani, N.' 'Balasubramanian, K. K.' _publ_section_title ;2-(exo-Tricyclo[5.2.1.0^2,6^]deca-4,8-dien-3-endo-yl)acetaldehyde 2,4-dinitrophenylhydrazone ; _journal_issue 7 _journal_name_full 'Acta Crystallographica Section C' _journal_page_first o433 _journal_page_last o435 _journal_paper_doi 10.1107/S010827010200968X _journal_volume 58 _journal_year 2002 _chemical_formula_moiety 'C18 H18 N4 O4' _chemical_formula_sum 'C18 H18 N4 O4' _chemical_formula_weight 354.36 _chemical_name_common ; exo-Tricyclo[5.2.1.0^2,6^]deca-4,8-dienyl-3-endoacetaldehyde 2,4-dinitrophenylhydrazone ; _chemical_name_systematic ; 2-(exo-Tricyclo[5.2.1.0^2,6^]deca-4,8-dien-3-endo-yl)acetaldehyde 2,4-dinitrophenylhydrazone ; _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' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL97 _cell_angle_alpha 90 _cell_angle_beta 105.020(10) _cell_angle_gamma 90 _cell_formula_units_Z 4 _cell_length_a 6.4120(10) _cell_length_b 14.569(2) _cell_length_c 19.144(3) _cell_measurement_reflns_used 25 _cell_measurement_temperature 293(2) _cell_measurement_theta_max 30 _cell_measurement_theta_min 14 _cell_volume 1727.3(5) _computing_cell_refinement 'CAD-4 SDP (Frenz, 1978)' _computing_data_collection 'CAD-4 Software (Enraf-Nonius, 1989)' _computing_data_reduction 'CAD-4 Software' _computing_molecular_graphics 'ZORTEP (Zsolnai, 1997)' _computing_publication_material 'PARST97 (Nardelli, 1995)' _computing_structure_refinement 'SHELXL97 (Sheldrick, 1997)' _computing_structure_solution 'SHELXS97 (Sheldrick, 1997)' _diffrn_ambient_temperature 293(2) _diffrn_measured_fraction_theta_full 0.938 _diffrn_measured_fraction_theta_max 0.938 _diffrn_measurement_device_type 'Enraf-Nonius CAD-4' _diffrn_measurement_method \w/2\q _diffrn_radiation_monochromator graphite _diffrn_radiation_source 'fine-focus sealed tube' _diffrn_radiation_type CuK\a _diffrn_radiation_wavelength 1.5418 _diffrn_reflns_av_R_equivalents 0.044 _diffrn_reflns_av_sigmaI/netI 0.036 _diffrn_reflns_limit_h_max 7 _diffrn_reflns_limit_h_min -7 _diffrn_reflns_limit_k_max 17 _diffrn_reflns_limit_k_min 0 _diffrn_reflns_limit_l_max 23 _diffrn_reflns_limit_l_min -7 _diffrn_reflns_number 3300 _diffrn_reflns_theta_full 71.86 _diffrn_reflns_theta_max 69.91 _diffrn_reflns_theta_min 3.86 _diffrn_standards_decay_% <1 _diffrn_standards_interval_time 120 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.819 _exptl_absorpt_correction_T_max 0.899 _exptl_absorpt_correction_T_min 0.880 _exptl_absorpt_correction_type '\y scan' _exptl_absorpt_process_details '(North et al., 1968)' _exptl_crystal_colour yellow _exptl_crystal_density_diffrn 1.363 _exptl_crystal_density_meas ? _exptl_crystal_density_method 'not measured' _exptl_crystal_description needle _exptl_crystal_F_000 744 _exptl_crystal_size_max 0.30 _exptl_crystal_size_mid 0.25 _exptl_crystal_size_min 0.13 _refine_diff_density_max 0.36 _refine_diff_density_min -0.27 _refine_ls_extinction_coef 0.0047(8) _refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^ _refine_ls_extinction_method 'SHELXL97 (Sheldrick, 1997)' _refine_ls_goodness_of_fit_ref 1.024 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 236 _refine_ls_number_reflns 3306 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.024 _refine_ls_R_factor_all 0.112 _refine_ls_R_factor_gt 0.067 _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^)+(0.1180P)^2^+0.5657P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.183 _refine_ls_wR_factor_ref 0.214 _reflns_number_gt 1973 _reflns_number_total 3206 _reflns_threshold_expression I>2\s(I) _cod_data_source_file na1574.cif _cod_data_source_block III _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' 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 'Monoclinic' changed to 'monoclinic' 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 The following automatic conversions were performed: '_exptl_crystal_density_meas' value 'none' 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 ; _cod_original_cell_volume 1727.4(4) _cod_original_sg_symbol_H-M 'P 21/c' _cod_database_code 2012825 _cod_database_fobs_code 2012825 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_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 C1 0.6104(6) 0.4045(2) 0.80733(19) 0.0669(9) Uani d . 1 . . C H1 0.4929 0.3768 0.7701 0.080 Uiso calc R 1 . . H C2 0.6054(5) 0.5101(2) 0.81235(15) 0.0521(8) Uani d . 1 . . C H2 0.6644 0.5378 0.7749 0.063 Uiso calc R 1 . . H C3 0.3893(6) 0.5550(2) 0.81260(16) 0.0593(8) Uani d . 1 . . C H3 0.2764 0.5079 0.8032 0.071 Uiso calc R 1 . . H C4 0.4250(7) 0.5889(3) 0.88937(19) 0.0729(10) Uani d . 1 . . C H4 0.3175 0.6168 0.9065 0.087 Uiso calc R 1 . . H C5 0.6173(8) 0.5757(3) 0.92880(19) 0.0753(11) Uani d . 1 . . C H5 0.6630 0.5941 0.9769 0.090 Uiso calc R 1 . . H C6 0.7626(6) 0.5273(2) 0.88977(18) 0.0619(9) Uani d . 1 . . C H6 0.8880 0.5646 0.8876 0.074 Uiso calc R 1 . . H C7 0.8262(6) 0.4296(2) 0.91670(18) 0.0620(9) Uani d . 1 . . C H7 0.8880 0.4228 0.9689 0.074 Uiso calc R 1 . . H C8 0.9605(7) 0.3925(3) 0.8689(2) 0.0775(11) Uani d . 1 . . C H8 1.1084 0.3815 0.8830 0.093 Uiso calc R 1 . . H C9 0.8331(7) 0.3787(3) 0.8044(2) 0.0728(10) Uani d . 1 . . C H9 0.8737 0.3568 0.7642 0.087 Uiso calc R 1 . . H C10 0.6200(6) 0.3770(2) 0.8851(2) 0.0689(10) Uani d . 1 . . C H10A 0.4984 0.3999 0.9014 0.083 Uiso calc R 1 . . H H10B 0.6360 0.3114 0.8932 0.083 Uiso calc R 1 . . H C11 0.3191(6) 0.6332(3) 0.75893(17) 0.0676(10) Uani d . 1 . . C H11A 0.1902 0.6612 0.7671 0.081 Uiso calc R 1 . . H H11B 0.4317 0.6795 0.7683 0.081 Uiso calc R 1 . . H C12 0.2736(6) 0.6049(2) 0.68187(16) 0.0600(8) Uani d . 1 . . C H12 0.1549 0.5680 0.6617 0.072 Uiso calc R 1 . . H N13 0.3959(4) 0.63098(18) 0.64402(13) 0.0557(7) Uani d . 1 . . N N14 0.3403(4) 0.60320(17) 0.57229(13) 0.0533(6) Uani d . 1 . . N H14 0.2264 0.5707 0.5554 0.064 Uiso calc R 1 . . H C15 0.4681(5) 0.62800(19) 0.52941(16) 0.0489(7) Uani d . 1 . . C C16 0.4255(5) 0.60559(19) 0.45516(15) 0.0463(7) Uani d . 1 . . C C17 0.5593(5) 0.6339(2) 0.41305(18) 0.0542(8) Uani d . 1 . . C H17 0.5265 0.6195 0.3641 0.065 Uiso calc R 1 . . H C18 0.7404(5) 0.6834(2) 0.44444(19) 0.0569(8) Uani d . 1 . . C C19 0.7918(5) 0.7056(2) 0.5171(2) 0.0622(9) Uani d . 1 . . C H19 0.9163 0.7390 0.5375 0.075 Uiso calc R 1 . . H C20 0.6591(5) 0.6784(2) 0.55892(18) 0.0573(8) Uani d . 1 . . C H20 0.6955 0.6934 0.6078 0.069 Uiso calc R 1 . . H N21 0.2393(4) 0.55250(18) 0.41859(13) 0.0521(6) Uani d . 1 . . N O22 0.1074(4) 0.52992(16) 0.45252(11) 0.0609(6) Uani d . 1 . . O O23 0.2178(4) 0.52949(19) 0.35571(12) 0.0768(8) Uani d . 1 . . O N24 0.8798(5) 0.7136(2) 0.3998(2) 0.0744(9) Uani d . 1 . . N O25 0.8277(5) 0.6973(3) 0.33548(19) 0.1089(11) Uani d . 1 . . O O26 1.0456(5) 0.75424(19) 0.42982(18) 0.0915(9) 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 C1 0.073(2) 0.060(2) 0.064(2) -0.0031(17) 0.0114(17) -0.0136(16) C2 0.066(2) 0.0511(17) 0.0388(14) 0.0007(14) 0.0125(13) 0.0024(12) C3 0.063(2) 0.0632(19) 0.0512(17) 0.0058(16) 0.0139(15) -0.0014(15) C4 0.084(3) 0.081(3) 0.060(2) 0.013(2) 0.030(2) -0.0063(18) C5 0.113(3) 0.061(2) 0.0479(18) 0.002(2) 0.013(2) -0.0080(15) C6 0.065(2) 0.0561(19) 0.0575(18) -0.0121(16) 0.0042(15) 0.0021(15) C7 0.061(2) 0.067(2) 0.0526(17) -0.0045(17) 0.0065(15) 0.0127(15) C8 0.070(2) 0.076(2) 0.088(3) 0.015(2) 0.023(2) 0.027(2) C9 0.082(3) 0.065(2) 0.077(2) 0.0220(19) 0.030(2) 0.0078(18) C10 0.073(2) 0.0535(19) 0.085(2) -0.0070(17) 0.0287(19) 0.0051(18) C11 0.082(3) 0.065(2) 0.0563(19) 0.0165(18) 0.0192(17) 0.0021(16) C12 0.063(2) 0.061(2) 0.0514(17) 0.0072(16) 0.0075(15) 0.0077(15) N13 0.0627(17) 0.0537(15) 0.0486(14) 0.0048(12) 0.0108(12) -0.0004(11) N14 0.0559(16) 0.0541(15) 0.0485(13) 0.0003(12) 0.0111(11) -0.0005(11) C15 0.0494(17) 0.0391(15) 0.0570(17) 0.0062(12) 0.0120(13) 0.0039(12) C16 0.0442(16) 0.0408(15) 0.0531(16) 0.0007(12) 0.0110(13) 0.0020(12) C17 0.0498(18) 0.0493(16) 0.0653(19) 0.0040(14) 0.0184(15) 0.0037(14) C18 0.0505(19) 0.0454(16) 0.080(2) 0.0013(13) 0.0265(16) 0.0033(15) C19 0.0499(19) 0.0461(17) 0.089(2) -0.0030(14) 0.0158(17) -0.0051(16) C20 0.0563(19) 0.0469(16) 0.0648(19) 0.0013(14) 0.0086(15) -0.0061(14) N21 0.0500(15) 0.0536(15) 0.0516(14) -0.0024(11) 0.0110(11) 0.0038(11) O22 0.0562(13) 0.0673(14) 0.0612(13) -0.0153(11) 0.0188(10) 0.0003(10) O23 0.0778(17) 0.101(2) 0.0517(13) -0.0260(15) 0.0172(11) -0.0112(13) N24 0.0575(19) 0.0648(18) 0.109(3) -0.0027(15) 0.0356(18) 0.0114(18) O25 0.094(2) 0.147(3) 0.099(2) -0.031(2) 0.0501(19) 0.004(2) O26 0.0628(17) 0.0729(17) 0.144(3) -0.0125(14) 0.0364(17) 0.0116(17) 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' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle C9 C1 C10 100.0(3) C9 C1 C2 106.8(3) C10 C1 C2 101.4(3) C9 C1 H1 115.6 C10 C1 H1 115.6 C2 C1 H1 115.6 C3 C2 C1 117.3(3) C3 C2 C6 106.6(2) C1 C2 C6 101.5(3) C3 C2 H2 110.3 C1 C2 H2 110.3 C6 C2 H2 110.3 C4 C3 C11 110.8(3) C4 C3 C2 103.5(3) C11 C3 C2 115.3(3) C4 C3 H3 109.0 C11 C3 H3 109.0 C2 C3 H3 109.0 C5 C4 C3 113.8(3) C5 C4 H4 123.1 C3 C4 H4 123.1 C4 C5 C6 113.6(3) C4 C5 H5 123.2 C6 C5 H5 123.2 C5 C6 C7 114.3(3) C5 C6 C2 102.3(3) C7 C6 C2 102.5(2) C5 C6 H6 112.3 C7 C6 H6 112.3 C2 C6 H6 112.3 C8 C7 C10 98.9(3) C8 C7 C6 105.8(3) C10 C7 C6 101.9(3) C8 C7 H7 116.0 C10 C7 H7 116.0 C6 C7 H7 116.0 C9 C8 C7 108.2(3) C9 C8 H8 125.9 C7 C8 H8 125.9 C8 C9 C1 107.2(3) C8 C9 H9 126.4 C1 C9 H9 126.4 C7 C10 C1 93.9(3) C7 C10 H10A 112.9 C1 C10 H10A 112.9 C7 C10 H10B 112.9 C1 C10 H10B 112.9 H10A C10 H10B 110.4 C12 C11 C3 114.2(3) C12 C11 H11A 108.7 C3 C11 H11A 108.7 C12 C11 H11B 108.7 C3 C11 H11B 108.7 H11A C11 H11B 107.6 N13 C12 C11 119.9(3) N13 C12 H12 120.1 C11 C12 H12 120.1 C12 N13 N14 116.4(3) C15 N14 N13 118.9(3) C15 N14 H14 120.5 N13 N14 H14 120.5 N14 C15 C16 124.0(3) N14 C15 C20 119.7(3) C16 C15 C20 116.3(3) C17 C16 C15 122.0(3) C17 C16 N21 115.9(3) C15 C16 N21 122.1(3) C18 C17 C16 119.0(3) C18 C17 H17 120.5 C16 C17 H17 120.5 C17 C18 C19 121.3(3) C17 C18 N24 118.8(3) C19 C18 N24 119.9(3) C20 C19 C18 119.9(3) C20 C19 H19 120.1 C18 C19 H19 120.1 C19 C20 C15 121.5(3) C19 C20 H20 119.3 C15 C20 H20 119.3 O23 N21 O22 121.7(3) O23 N21 C16 119.5(3) O22 N21 C16 118.7(2) O25 N24 O26 123.4(3) O25 N24 C18 119.2(3) O26 N24 C18 117.4(4) 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 C1 C9 . 1.492(5) ? C1 C10 . 1.527(5) ? C1 C2 . 1.542(5) ? C1 H1 . 0.9800 ? C2 C3 . 1.534(4) ? C2 C6 . 1.582(4) ? C2 H2 . 0.9800 ? C3 C4 . 1.511(4) ? C3 C11 . 1.522(4) ? C3 H3 . 0.9800 ? C4 C5 . 1.283(5) ? C4 H4 . 0.9300 ? C5 C6 . 1.511(5) ? C5 H5 . 0.9300 ? C6 C7 . 1.533(5) ? C6 H6 . 0.9800 ? C7 C8 . 1.509(5) ? C7 C10 . 1.512(5) ? C7 H7 . 0.9800 ? C8 C9 . 1.309(5) ? C8 H8 . 0.9300 ? C9 H9 . 0.9300 ? C10 H10A . 0.9700 ? C10 H10B . 0.9700 ? C11 C12 . 1.486(4) ? C11 H11A . 0.9700 ? C11 H11B . 0.9700 ? C12 N13 . 1.256(4) ? C12 H12 . 0.9300 ? N13 N14 . 1.387(3) ? N14 C15 . 1.351(4) ? N14 H14 . 0.8600 ? C15 C16 . 1.414(4) ? C15 C20 . 1.415(4) ? C16 C17 . 1.384(4) ? C16 N21 . 1.442(4) ? C17 C18 . 1.367(5) ? C17 H17 . 0.9300 ? C18 C19 . 1.382(5) ? C18 N24 . 1.456(4) ? C19 C20 . 1.369(5) ? C19 H19 . 0.9300 ? C20 H20 . 0.9300 ? N21 O23 . 1.222(3) ? N21 O22 . 1.237(3) ? N24 O25 . 1.212(4) ? N24 O26 . 1.223(4) ? 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 N14 H14 O22 . 0.86 2.01 2.618(3) 127 N14 H14 O22 3_566 0.86 2.57 3.395(4) 162 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 C9 C1 C2 C3 177.3(3) C10 C1 C2 C3 -78.5(3) C9 C1 C2 C6 -67.0(3) C10 C1 C2 C6 37.2(3) C1 C2 C3 C4 108.9(3) C6 C2 C3 C4 -3.9(3) C1 C2 C3 C11 -130.0(3) C6 C2 C3 C11 117.2(3) C11 C3 C4 C5 -120.7(4) C2 C3 C4 C5 3.4(4) C3 C4 C5 C6 -1.2(5) C4 C5 C6 C7 -111.3(4) C4 C5 C6 C2 -1.4(4) C3 C2 C6 C5 3.3(3) C1 C2 C6 C5 -120.0(3) C3 C2 C6 C7 121.9(3) C1 C2 C6 C7 -1.4(3) C5 C6 C7 C8 177.4(3) C2 C6 C7 C8 67.6(3) C5 C6 C7 C10 74.5(3) C2 C6 C7 C10 -35.3(3) C10 C7 C8 C9 34.7(4) C6 C7 C8 C9 -70.5(4) C7 C8 C9 C1 -0.9(4) C10 C1 C9 C8 -33.0(4) C2 C1 C9 C8 72.2(4) C8 C7 C10 C1 -50.9(3) C6 C7 C10 C1 57.5(3) C9 C1 C10 C7 51.2(3) C2 C1 C10 C7 -58.3(3) C4 C3 C11 C12 -178.1(3) C2 C3 C11 C12 64.8(4) C3 C11 C12 N13 -111.6(4) C11 C12 N13 N14 -178.8(3) C12 N13 N14 C15 -178.9(3) N13 N14 C15 C16 -178.5(3) N13 N14 C15 C20 2.4(4) N14 C15 C16 C17 178.8(3) C20 C15 C16 C17 -2.1(4) N14 C15 C16 N21 -0.6(4) C20 C15 C16 N21 178.4(3) C15 C16 C17 C18 1.4(4) N21 C16 C17 C18 -179.1(3) C16 C17 C18 C19 -0.1(5) C16 C17 C18 N24 -179.6(3) C17 C18 C19 C20 -0.4(5) N24 C18 C19 C20 179.1(3) C18 C19 C20 C15 -0.3(5) N14 C15 C20 C19 -179.3(3) C16 C15 C20 C19 1.5(4) C17 C16 N21 O23 5.6(4) C15 C16 N21 O23 -174.9(3) C17 C16 N21 O22 -175.8(3) C15 C16 N21 O22 3.7(4) C17 C18 N24 O25 2.9(5) C19 C18 N24 O25 -176.7(4) C17 C18 N24 O26 -176.8(3) C19 C18 N24 O26 3.6(5) loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 PubChem 139058618