Unraveling non-radiative decay channels of exciplexes to construct efficient red emitters for organic light-emitting diodes.
Zhang, Heng-Yuan; Zhang, Ming; Zhuo, Hao; Yang, Hao-Yu; Han, Bo; Zheng, Yong-Hao; Wang, Hui; Lin, Hui; Tao, Si-Lu; Zheng, Cai-Jun; Zhang, Xiao-Hong; Chemical science 15 (2024) 14651–14659; doi:10.1039/d4sc03667k

data_1572243
_publ_section_title
;
 Unraveling non-radiative decay channels of exciplexes to construct
 efficient red emitters for organic light-emitting diodes.
;
_journal_issue                   36
_journal_name_full               'Chemical science'
_journal_page_first              14651
_journal_page_last               14659
_journal_paper_doi               10.1039/d4sc03667k
_journal_volume                  15
_journal_year                    2024
_chemical_formula_sum            'C33 H18 N4 O'
_chemical_formula_weight         486.51
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_method
;FinalCif V118 by Daniel Kratzert, Freiburg 2024,
https://dkratzert.de/finalcif.html
;
_audit_update_record
;
2024-03-25 deposited with the CCDC.	2024-07-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.685(2)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   16.7347(4)
_cell_length_b                   32.9396(6)
_cell_length_c                   9.1702(2)
_cell_measurement_reflns_used    5609
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      68.147
_cell_measurement_theta_min      2.683
_cell_volume                     5038.04(19)
_computing_cell_refinement       'SAINT V8.40B'
_computing_data_collection
'Bruker BIS 8.5.0.27 Release/2023-03-20 && APEX5 2023.9-2'
_computing_data_reduction        'SAINT V8.40B'
_computing_structure_refinement  'SHELXL-2019/2 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      150(2)
_diffrn_detector                 CPAD
_diffrn_detector_area_resol_mean 7.41
_diffrn_detector_type            'Bruker PHOTON III'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE dual wavelength Mo/Cu'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_measurement_specimen_support 'MiTeGen micromount'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0679
_diffrn_reflns_av_unetI/netI     0.0484
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       39
_diffrn_reflns_limit_k_min       -39
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            43591
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.999
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.283
_diffrn_reflns_theta_min         2.649
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.1
_diffrn_source_type              'Incoatec I\ms'
_diffrn_source_voltage           50.0
_exptl_absorpt_coefficient_mu    0.631
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6691
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;SADABS-2016/2 - Bruker AXS area detector scaling and absorption correction:
Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D., J. Appl. Cryst. 48
(2015) 3-10
;
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.283
_exptl_crystal_description       block
_exptl_crystal_F_000             2016
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.1
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.279
_refine_diff_density_min         -0.292
_refine_diff_density_rms         0.056
_refine_ls_extinction_coef       0.00097(9)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2019/2 (Sheldrick 2019)'
_refine_ls_goodness_of_fit_ref   0.964
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     686
_refine_ls_number_reflns         9221
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.964
_refine_ls_R_factor_all          0.0743
_refine_ls_R_factor_gt           0.0458
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0744P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1134
_refine_ls_wR_factor_ref         0.1300
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6168
_reflns_number_total             9221
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc03667k2.cif
_cod_data_source_block           P21c_a
_cod_depositor_comments
'Adding full bibliography for 1572243--1572245.cif.'
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               1572243
_shelx_shelxl_version_number     2019/2
_diffrn_measurement_ambient_temperature_device_make 'Oxford Cryostream 800'
_shelx_res_checksum              95686
_shelx_hkl_checksum              20868