#------------------------------------------------------------------------------ #$Date: 2025-08-19 11:01:59 +0100 (Tue, 19 Aug 2025) $ #$Revision: 301802 $ #$URL: svn://www.crystallography.net/cod/cif/2/10/21/2102188.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_2102188 loop_ _publ_author_name 'Cole, Jacqueline M.' 'Wilson, Chick C.' 'Howard, Judith A. K.' 'Cruickshank, Frank R.' _publ_section_title ; Quantitative analysis of hydrogen bonding and atomic thermal motion in the organic non-linear optical material DCNP using X-ray and neutron diffraction ; _journal_issue 6 _journal_name_full 'Acta Crystallographica Section B' _journal_page_first 1085 _journal_page_last 1093 _journal_paper_doi 10.1107/S0108768100008855 _journal_volume 56 _journal_year 2000 _chemical_formula_sum 'C13 H10 N4' _chemical_formula_weight 222.25 _chemical_name_common DCNP _space_group_IT_number 9 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall 'C -2yc' _symmetry_space_group_name_H-M 'C 1 c 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL _cell_angle_alpha 90.00 _cell_angle_beta 90.021(1) _cell_angle_gamma 90.00 _cell_formula_units_Z 4 _cell_length_a 11.5972(2) _cell_length_b 12.2873(2) _cell_length_c 7.8877(1) _cell_measurement_temperature 100(2) _cell_volume 1123.98(3) _computing_cell_refinement 'SMART (Siemens Analytical X-ray Instruments, 1995)' _computing_data_collection 'SMART (siemens Analytical X-ray Instruments, 1995)' _computing_data_reduction 'SAINT (Siemens Analytical X-ray Instruments, 1995)' _computing_molecular_graphics 'SHELXTL-PLUS (Sheldrick, 1995)' _computing_publication_material 'SHELXL-93 (Sheldrick, 1993)' _computing_structure_refinement 'SHELXL-93 (Sheldrick, 1993)' _computing_structure_solution 'SHELXS-86 (Sheldrick, 1990)' _diffrn_ambient_temperature 100(2) _diffrn_measurement_device 'Siemens SMART-CCD' _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 0.0288 _diffrn_reflns_av_sigmaI/netI 0.0479 _diffrn_reflns_limit_h_max 25 _diffrn_reflns_limit_h_min -26 _diffrn_reflns_limit_k_max 23 _diffrn_reflns_limit_k_min -27 _diffrn_reflns_limit_l_max 16 _diffrn_reflns_limit_l_min -17 _diffrn_reflns_number 16798 _diffrn_reflns_theta_max 53.67 _diffrn_reflns_theta_min 2.41 _diffrn_standards_decay_% 0 _diffrn_standards_number 0 _exptl_absorpt_coefficient_mu 0.083 _exptl_absorpt_correction_type none _exptl_crystal_colour red _exptl_crystal_density_diffrn 1.313 _exptl_crystal_density_method none _exptl_crystal_description irregular _exptl_crystal_F_000 464 _exptl_crystal_size_max 0.5 _exptl_crystal_size_mid 0.3 _exptl_crystal_size_min 0.15 _refine_diff_density_max 0.765 _refine_diff_density_min -0.441 _refine_diff_density_rms 0.063 _refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881' _refine_ls_abs_structure_Flack 0.66(88) _refine_ls_extinction_method none _refine_ls_goodness_of_fit_all 2.382 _refine_ls_goodness_of_fit_ref 2.846 _refine_ls_hydrogen_treatment refall _refine_ls_matrix_type full _refine_ls_number_parameters 194 _refine_ls_number_reflns 9977 _refine_ls_number_restraints 2 _refine_ls_restrained_S_all 2.500 _refine_ls_restrained_S_obs 2.846 _refine_ls_R_factor_all 0.1245 _refine_ls_R_factor_gt 0.0763 _refine_ls_shift/esd_mean 0.000 _refine_ls_shift/su_max 0.003 _refine_ls_structure_factor_coef Fsqd _refine_ls_weighting_details 'w=1/[\s^2^(Fo^2^)] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_all 0.0814 _refine_ls_wR_factor_ref 0.0745 _reflns_number_gt 6421 _reflns_number_total 10048 _reflns_threshold_expression I>2\s(I) _cod_data_source_file ha0196.cif _cod_data_source_block 100dcnp _cod_depositor_comments ; The following automatic conversions were performed: '_refine_ls_weighting_scheme' value 'calc w=1/[\s^2^(Fo^2^)] where P=(Fo^2^+2Fc^2^)/3' was changed to 'calc'. New tag '_refine_ls_weighting_details' was created. The value of the new tag was set to 'w=1/[\s^2^(Fo^2^)] where P=(Fo^2^+2Fc^2^)/3'. Automatic conversion script Id: cif_fix_values 3143 2015-03-26 13:38:13Z robertas ; _cod_original_sg_symbol_H-M Cc _cod_database_code 2102188 _cod_database_fobs_code 2102188 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_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_23 _atom_site_aniso_U_13 _atom_site_aniso_U_12 N1 0.0358(4) 0.0260(3) 0.0323(4) 0.0000(3) -0.0097(3) 0.0000(3) N2 0.0361(4) 0.0271(3) 0.0310(4) -0.0043(3) -0.0057(3) -0.0028(3) N3 0.0287(3) 0.0195(3) 0.0215(3) 0.0007(2) -0.0001(3) 0.0000(2) N4 0.0326(4) 0.0198(3) 0.0207(3) -0.0005(2) -0.0015(3) 0.0004(3) C1 0.0251(4) 0.0217(3) 0.0262(4) -0.0029(3) -0.0015(3) -0.0019(3) C2 0.0208(3) 0.0211(4) 0.0221(4) 0.0010(3) -0.0008(3) -0.0010(3) C3 0.0194(3) 0.0185(3) 0.0223(4) 0.0001(3) 0.0004(3) -0.0009(3) C4 0.0237(3) 0.0154(3) 0.0241(4) -0.0005(3) 0.0012(3) -0.0006(3) C5 0.0220(3) 0.0158(3) 0.0208(4) -0.0009(3) 0.0028(3) -0.0008(3) C6 0.0306(4) 0.0157(3) 0.0239(4) 0.0025(3) 0.0023(3) 0.0010(3) C7 0.0321(4) 0.0157(3) 0.0216(4) 0.0005(3) 0.0021(3) 0.0003(3) C8 0.0193(4) 0.0293(4) 0.0180(4) 0.0004(3) 0.0009(3) 0.0002(3) C9 0.0268(4) 0.0330(4) 0.0228(4) -0.0019(3) 0.0034(3) -0.0057(3) C10 0.0284(4) 0.0493(5) 0.0244(4) -0.0102(4) 0.0028(3) -0.0155(4) C11 0.0225(4) 0.0731(7) 0.0217(4) -0.0061(5) -0.0009(3) -0.0117(4) C12 0.0228(4) 0.0608(6) 0.0268(5) 0.0089(4) 0.0004(4) 0.0046(4) C13 0.0237(4) 0.0384(4) 0.0238(4) 0.0077(4) 0.0014(3) 0.0055(3) loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv _atom_site_thermal_displace_type _atom_site_occupancy _atom_site_calc_flag N1 N 0.57031(6) 0.06009(5) 1.33401(9) 0.0314(2) Uani 1 d N2 N 0.50383(6) 0.40003(5) 1.23365(9) 0.0314(2) Uani 1 d N3 N 0.34807(6) 0.18977(5) 0.71094(9) 0.02323(14) Uani 1 d N4 N 0.31106(6) 0.26461(5) 0.60155(8) 0.02438(14) Uani 1 d C1 C 0.53098(7) 0.12240(6) 1.24063(10) 0.0243(2) Uani 1 d C2 C 0.49505(7) 0.31263(6) 1.18214(10) 0.02133(15) Uani 1 d C3 C 0.48533(6) 0.20168(6) 1.12553(10) 0.02010(15) Uani 1 d C4 C 0.43697(7) 0.16978(6) 0.97498(10) 0.02107(15) Uani 1 d C5 C 0.39183(6) 0.23780(6) 0.84573(9) 0.01953(14) Uani 1 d C6 C 0.33923(7) 0.37837(6) 0.65496(10) 0.0234(2) Uani 1 d C7 C 0.38457(7) 0.36109(6) 0.83672(10) 0.02311(15) Uani 1 d C8 C 0.26309(6) 0.23429(6) 0.44577(9) 0.0222(2) Uani 1 d C9 C 0.25490(7) 0.12493(7) 0.40025(10) 0.0275(2) Uani 1 d C10 C 0.20489(7) 0.09619(8) 0.24698(11) 0.0340(2) Uani 1 d C11 C 0.16224(7) 0.17644(9) 0.13673(12) 0.0391(2) Uani 1 d C12 C 0.17053(7) 0.28461(9) 0.18307(12) 0.0368(2) Uani 1 d C13 C 0.22085(7) 0.31530(7) 0.33606(11) 0.0286(2) Uani 1 d H4 H 0.4365(7) 0.0961(6) 0.9541(11) 0.022(2) Uiso 1 d H6A H 0.3936(7) 0.4080(6) 0.5786(11) 0.023(2) Uiso 1 d H6B H 0.2679(8) 0.4214(7) 0.6519(12) 0.032(2) Uiso 1 d H7A H 0.4611(8) 0.3925(7) 0.8514(12) 0.028(2) Uiso 1 d H7B H 0.3290(8) 0.3890(7) 0.9196(13) 0.035(2) Uiso 1 d H9 H 0.2802(8) 0.0735(7) 0.4733(12) 0.026(2) Uiso 1 d H10 H 0.2019(8) 0.0209(8) 0.2108(13) 0.037(3) Uiso 1 d H11 H 0.1286(10) 0.1539(9) 0.0316(16) 0.048(3) Uiso 1 d H12 H 0.1457(9) 0.3352(9) 0.1149(15) 0.045(3) Uiso 1 d H13 H 0.2223(9) 0.3929(7) 0.3704(13) 0.031(2) Uiso 1 d 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' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle C5 N3 N4 109.72(6) N3 N4 C8 120.86(6) N3 N4 C6 113.11(6) C8 N4 C6 125.65(6) N1 C1 C3 178.24(8) N2 C2 C3 177.36(9) C4 C3 C1 120.38(7) C4 C3 C2 124.88(8) C1 C3 C2 114.74(7) C3 C4 C5 127.25(7) C3 C4 H4 116.0(5) C5 C4 H4 116.7(5) N3 C5 C4 117.26(6) N3 C5 C7 112.81(7) C4 C5 C7 129.92(7) N4 C6 C7 101.98(5) N4 C6 H6A 109.1(5) C7 C6 H6A 114.7(5) N4 C6 H6B 108.2(5) C7 C6 H6B 112.6(6) H6A C6 H6B 109.8(7) C5 C7 C6 101.52(6) C5 C7 H7A 109.8(5) C6 C7 H7A 111.5(5) C5 C7 H7B 110.7(5) C6 C7 H7B 110.3(6) H7A C7 H7B 112.4(8) C9 C8 N4 120.66(7) C9 C8 C13 119.99(8) N4 C8 C13 119.34(7) C10 C9 C8 119.90(8) C10 C9 H9 120.9(6) C8 C9 H9 119.2(6) C9 C10 C11 120.54(9) C9 C10 H10 121.0(6) C11 C10 H10 118.4(6) C12 C11 C10 119.14(9) C12 C11 H11 122.4(7) C10 C11 H11 118.5(7) C11 C12 C13 121.26(10) C11 C12 H12 120.0(8) C13 C12 H12 118.7(8) C12 C13 C8 119.15(9) C12 C13 H13 120.3(6) C8 C13 H13 120.4(6) loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance N1 C1 1.1561(10) N2 C2 1.1527(10) N3 C5 1.3175(10) N3 N4 1.3319(9) N4 C8 1.3992(9) N4 C6 1.4960(10) C1 C3 1.4328(11) C2 C3 1.4390(10) C3 C4 1.3703(12) C4 C5 1.4183(10) C4 H4 0.920(8) C5 C7 1.5190(10) C6 C7 1.5416(12) C6 H6A 0.945(8) C6 H6B 0.982(9) C7 H7A 0.975(9) C7 H7B 0.980(9) C8 C9 1.3941(11) C8 C13 1.4069(11) C9 C10 1.3864(12) C9 H9 0.904(9) C10 C11 1.405(2) C10 H10 0.968(10) C11 C12 1.382(2) C11 H11 0.957(13) C12 C13 1.3923(14) C12 H12 0.871(12) C13 H13 0.991(9) loop_ _cod_related_entry_id _cod_related_entry_database _cod_related_entry_code 1 ChemSpider 3441119 2 PubChem 4232256