Aggregation-enhanced TADF in deep-red emitters for high-performance OLEDs
Huang, Chengrui; Zhou, Jianping; Samedov, Kerim; Zhang, Liang; Peng, Guoqing; Peng, Xiangchao; Chen, Mingxing; Zhang, Dongdong; Cai, Yuanjing; Physical Chemistry Chemical Physics  (2025) –; doi:10.1039/D5CP00499C

data_7250121
_publ_section_title
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 Aggregation-enhanced TADF in deep-red emitters for high-performance OLEDs
;
_journal_name_full               'Physical Chemistry Chemical Physics'
_journal_paper_doi               10.1039/D5CP00499C
_journal_year                    2025
_chemical_formula_sum            'C38 H23 N5'
_chemical_formula_weight         549.61
_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     dual
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2024-02-03 deposited with the CCDC.	2025-03-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 99.540(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   22.3617(11)
_cell_length_b                   10.6853(4)
_cell_length_c                   11.8757(5)
_cell_measurement_reflns_used    6148
_cell_measurement_temperature    180.00(10)
_cell_measurement_theta_max      30.4640
_cell_measurement_theta_min      1.8390
_cell_volume                     2798.4(2)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_environment      N~2~
_diffrn_ambient_temperature      180.00(10)
_diffrn_detector                 'Hybrid Pixel Array Detector'
_diffrn_detector_area_resol_mean 10.0000
_diffrn_detector_type            HyPix
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.837
_diffrn_measurement_device       'four-circle diffractometer'
_diffrn_measurement_device_type  'XtaLAB Synergy R, DW system, HyPix'
_diffrn_radiation_monochromator  mirror
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           'Mo K\a'
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_unetI/netI     0.0438
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.837
_diffrn_reflns_limit_h_max       29
_diffrn_reflns_limit_h_min       -29
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            9253
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.837
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.794
_diffrn_reflns_theta_min         1.847
_diffrn_source                   'Rotating-anode X-ray tube'
_diffrn_source_type              'Rigaku (Mo) X-ray Source'
_exptl_absorpt_coefficient_mu    0.079
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.77391
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.42.72a (Rigaku Oxford Diffraction, 2022)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.305
_exptl_crystal_description       plate-like
_exptl_crystal_F_000             1144
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.309
_refine_diff_density_min         -0.268
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.044
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     389
_refine_ls_number_reflns         9253
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.044
_refine_ls_R_factor_all          0.1000
_refine_ls_R_factor_gt           0.0712
_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^)+(0.0482P)^2^+2.1471P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1437
_refine_ls_wR_factor_ref         0.1556
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6789
_reflns_number_total             9253
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5cp00499c2.cif
_cod_data_source_block           5
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7250121
_shelx_shelxl_version_number     2014/7
_oxdiff_exptl_absorpt_empirical_full_min 0.753
_oxdiff_exptl_absorpt_empirical_full_max 1.308
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              21384