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_1572244
_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_absolute_configuration ad
_chemical_formula_sum            'C38 H25 Cl3 N4'
_chemical_formula_weight         643.97
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_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
;
2024-07-14 deposited with the CCDC.	2024-07-30 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.8302(7)
_cell_length_b                   15.5059(15)
_cell_length_c                   33.206(3)
_cell_measurement_reflns_used    3579
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      67.2005
_cell_measurement_theta_min      5.324
_cell_volume                     3001.9(5)
_computing_cell_refinement       'SAINT V8.40B'
_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 0.999
_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  0.0670
_diffrn_reflns_av_unetI/netI     0.0611
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.999
_diffrn_reflns_limit_h_max       6
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -39
_diffrn_reflns_number            20137
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.352
_diffrn_reflns_theta_min         3.145
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_exptl_absorpt_coefficient_mu    3.044
_exptl_absorpt_correction_T_max  0.7531
_exptl_absorpt_correction_T_min  0.6019
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
 SADABS 2016/2: Krause, L., Herbst-Irmer, R., Sheldrick G.M. & Stalke D.,
 J. Appl. Cryst. 48 (2015) 3-10
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.425
_exptl_crystal_description       plate
_exptl_crystal_F_000             1328
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.100
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.659
_refine_diff_density_min         -0.453
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details
;
 Flack x determined using 1688 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.013(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     406
_refine_ls_number_reflns         5464
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0570
_refine_ls_R_factor_gt           0.0478
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0585P)^2^+1.2589P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1154
_refine_ls_wR_factor_ref         0.1219
_reflns_Friedel_coverage         0.721
_reflns_Friedel_fraction_full    0.995
_reflns_Friedel_fraction_max     0.993
_reflns_number_gt                4734
_reflns_number_total             5464
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d4sc03667k2.cif
_cod_data_source_block           cu_XR2024070_08_01_ZHY_0m_a
_cod_depositor_comments
'Adding full bibliography for 1572243--1572245.cif.'
_cod_original_cell_volume        3001.9(6)
_cod_database_code               1572244
_shelx_shelxl_version_number     2019/2
_shelx_estimated_absorpt_t_min   0.581
_shelx_estimated_absorpt_t_max   0.751
_diffrn_measurement_ambient_temperature_device_make 'Oxford Cryostream 800'
_shelx_res_checksum              17441
_shelx_hkl_checksum              53673