#------------------------------------------------------------------------------ #$Date: 2016-10-05 12:40:00 +0300 (Wed, 05 Oct 2016) $ #$Revision: 186955 $ #$URL: file:///home/coder/svn-repositories/cod/cif/1/54/07/1540736.cif $ #------------------------------------------------------------------------------ # # This file is available in the Crystallography Open Database (COD), # http://www.crystallography.net/ # # All data on this site have been placed in the public domain by the # contributors. # data_1540736 loop_ _publ_author_name 'Ma, Xiaofeng' 'Sun, Rui' 'Cheng, Jinghui' 'Liu, Jiaoyan' 'Gou, Fei' 'Xiang, Haifeng' 'Zhou, Xiangge' _publ_section_title ; Fluorescence Aggregation-Caused Quenching versus Aggregation-Induced Emission: A Visual Teaching Technology for Undergraduate Chemistry Students ; _journal_issue 2 _journal_name_full 'Journal of Chemical Education' _journal_page_first 345 _journal_paper_doi 10.1021/acs.jchemed.5b00483 _journal_volume 93 _journal_year 2016 _chemical_formula_moiety 'C14 H12 N2 O2' _chemical_formula_sum 'C14 H12 N2 O2' _chemical_formula_weight 240.26 _chemical_name_systematic ; ? ; _space_group_IT_number 14 _symmetry_cell_setting monoclinic _symmetry_space_group_name_Hall '-P 2yn' _symmetry_space_group_name_H-M 'P 1 21/n 1' _atom_sites_solution_hydrogens geom _atom_sites_solution_primary direct _atom_sites_solution_secondary difmap _audit_creation_method SHELXL-97 _cell_angle_alpha 90.00 _cell_angle_beta 107.98(2) _cell_angle_gamma 90.00 _cell_formula_units_Z 2 _cell_length_a 8.5418(14) _cell_length_b 6.3200(12) _cell_length_c 11.847(2) _cell_measurement_reflns_used 32 _cell_measurement_temperature 295(2) _cell_measurement_theta_max 17.99 _cell_measurement_theta_min 4.94 _cell_volume 608.3(2) _computing_cell_refinement 'XSCANS (Bruker, 1997)' _computing_data_collection 'XSCANS (Bruker, 1997)' _computing_data_reduction 'XSCANS (Bruker, 1997)' _computing_molecular_graphics 'SHELXTL (Bruker, 1997)' _computing_publication_material 'SHELXTL (Bruker, 1997)' _computing_structure_refinement 'SHELXTL (Bruker, 1997)' _computing_structure_solution 'SHELXTL (Bruker, 1997)' _diffrn_ambient_temperature 295(2) _diffrn_measured_fraction_theta_full 0.997 _diffrn_measured_fraction_theta_max 0.997 _diffrn_measurement_device_type 'Bruker P4' _diffrn_measurement_method '\w scans' _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 0.0280 _diffrn_reflns_av_sigmaI/netI 0.0424 _diffrn_reflns_limit_h_max 1 _diffrn_reflns_limit_h_min -10 _diffrn_reflns_limit_k_max 1 _diffrn_reflns_limit_k_min -7 _diffrn_reflns_limit_l_max 14 _diffrn_reflns_limit_l_min -14 _diffrn_reflns_number 1625 _diffrn_reflns_theta_full 25.44 _diffrn_reflns_theta_max 25.44 _diffrn_reflns_theta_min 2.60 _diffrn_standards_decay_% 0 _diffrn_standards_interval_count 97 _diffrn_standards_number 3 _exptl_absorpt_coefficient_mu 0.090 _exptl_absorpt_correction_type none _exptl_crystal_colour yellow _exptl_crystal_density_diffrn 1.312 _exptl_crystal_density_method 'not measured' _exptl_crystal_description prism _exptl_crystal_F_000 252 _exptl_crystal_size_max 0.4 _exptl_crystal_size_mid 0.4 _exptl_crystal_size_min 0.3 _refine_diff_density_max 0.241 _refine_diff_density_min -0.138 _refine_diff_density_rms 0.034 _refine_ls_extinction_method none _refine_ls_goodness_of_fit_ref 1.026 _refine_ls_hydrogen_treatment constr _refine_ls_matrix_type full _refine_ls_number_parameters 83 _refine_ls_number_reflns 1130 _refine_ls_number_restraints 0 _refine_ls_restrained_S_all 1.026 _refine_ls_R_factor_all 0.0719 _refine_ls_R_factor_gt 0.0453 _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^)+(0.001P)^2^+0.25P] where P=(Fo^2^+2Fc^2^)/3' _refine_ls_weighting_scheme calc _refine_ls_wR_factor_gt 0.0828 _refine_ls_wR_factor_ref 0.0941 _reflns_number_gt 729 _reflns_number_total 1130 _reflns_threshold_expression I>2\s(I) _cod_data_source_file ed5b00483_si_004.cif _cod_data_source_block taj-1 _cod_depositor_comments ; The following automatic conversions were performed: '_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic' according to /usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/ACS/lib/dictionaries/cif_core.dic dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26. Automatic conversion script Id: cif_fix_values 4268 2015-11-12 08:31:59Z antanas Adding full bibliography for 1540736.cif. ; _cod_original_cell_volume 608.34(19) _cod_original_sg_symbol_H-M P2(1)/n _cod_database_code 1540736 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' '-x+1/2, y+1/2, -z+1/2' '-x, -y, -z' 'x-1/2, -y-1/2, z-1/2' 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_adp_type _atom_site_occupancy _atom_site_symmetry_multiplicity _atom_site_calc_flag _atom_site_refinement_flags O1 O 0.3802(2) 0.3249(3) 0.27484(13) 0.0785(6) Uani 1 1 d . H1A H 0.3908 0.2142 0.3125 0.094 Uiso 1 1 calc R N1 N 0.4974(2) 0.0846(3) 0.46137(12) 0.0499(4) Uani 1 1 d . C1 C 0.6184(2) 0.2120(3) 0.49693(16) 0.0488(5) Uani 1 1 d . H1B H 0.6992 0.1855 0.5687 0.059 Uiso 1 1 calc R C2 C 0.6338(2) 0.3961(3) 0.42924(16) 0.0468(5) Uani 1 1 d . C3 C 0.5136(3) 0.4478(4) 0.32109(17) 0.0541(5) Uani 1 1 d . C4 C 0.5310(3) 0.6289(4) 0.26062(19) 0.0648(6) Uani 1 1 d . H4A H 0.4508 0.6637 0.1899 0.078 Uiso 1 1 calc R C5 C 0.6649(3) 0.7573(4) 0.3036(2) 0.0683(7) Uani 1 1 d . H5A H 0.6752 0.8781 0.2615 0.082 Uiso 1 1 calc R C6 C 0.7854(3) 0.7098(4) 0.4089(2) 0.0658(6) Uani 1 1 d . H6A H 0.8769 0.7970 0.4376 0.079 Uiso 1 1 calc R C7 C 0.7678(3) 0.5313(4) 0.47044(19) 0.0582(6) Uani 1 1 d . H7A H 0.8479 0.5002 0.5418 0.070 Uiso 1 1 calc R 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 O1 0.0691(10) 0.0939(14) 0.0555(9) 0.0222(9) -0.0056(8) -0.0170(10) N1 0.0557(10) 0.0504(10) 0.0404(8) 0.0041(8) 0.0102(8) 0.0022(9) C1 0.0506(11) 0.0534(12) 0.0390(9) 0.0000(9) 0.0088(8) 0.0043(10) C2 0.0498(11) 0.0499(12) 0.0408(9) -0.0016(9) 0.0143(8) 0.0033(9) C3 0.0524(12) 0.0626(14) 0.0458(10) 0.0041(11) 0.0131(9) -0.0009(11) C4 0.0703(15) 0.0706(16) 0.0538(12) 0.0160(12) 0.0197(11) 0.0085(13) C5 0.0870(18) 0.0580(15) 0.0727(15) 0.0098(13) 0.0434(14) 0.0042(14) C6 0.0697(15) 0.0585(14) 0.0750(15) -0.0060(13) 0.0311(12) -0.0093(12) C7 0.0579(13) 0.0598(14) 0.0552(12) -0.0041(11) 0.0149(10) -0.0018(11) 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' loop_ _geom_angle_atom_site_label_1 _geom_angle_atom_site_label_2 _geom_angle_atom_site_label_3 _geom_angle _geom_angle_site_symmetry_3 C3 O1 H1A 109.5 . C1 N1 N1 114.05(19) 3_656 N1 C1 C2 121.98(17) . N1 C1 H1B 119.0 . C2 C1 H1B 119.0 . C7 C2 C3 117.7(2) . C7 C2 C1 120.46(18) . C3 C2 C1 121.78(19) . O1 C3 C4 118.63(19) . O1 C3 C2 121.49(19) . C4 C3 C2 119.9(2) . C5 C4 C3 120.7(2) . C5 C4 H4A 119.7 . C3 C4 H4A 119.7 . C4 C5 C6 120.8(2) . C4 C5 H5A 119.6 . C6 C5 H5A 119.6 . C7 C6 C5 118.9(2) . C7 C6 H6A 120.6 . C5 C6 H6A 120.6 . C6 C7 C2 122.0(2) . C6 C7 H7A 119.0 . C2 C7 H7A 119.0 . loop_ _geom_bond_atom_site_label_1 _geom_bond_atom_site_label_2 _geom_bond_distance _geom_bond_site_symmetry_2 O1 C3 1.348(3) . O1 H1A 0.8200 . N1 C1 1.275(2) . N1 N1 1.399(3) 3_656 C1 C2 1.442(3) . C1 H1B 0.9300 . C2 C7 1.390(3) . C2 C3 1.411(3) . C3 C4 1.382(3) . C4 C5 1.366(3) . C4 H4A 0.9300 . C5 C6 1.383(3) . C5 H5A 0.9300 . C6 C7 1.377(3) . C6 H6A 0.9300 . C7 H7A 0.9300 . loop_ _geom_hbond_atom_site_label_D _geom_hbond_atom_site_label_H _geom_hbond_atom_site_label_A _geom_hbond_distance_DH _geom_hbond_distance_HA _geom_hbond_distance_DA _geom_hbond_angle_DHA O1 H1A N1 0.82 1.90 2.613(2) 144.4