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_7250120
_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_absolute_configuration unk
_chemical_formula_sum            'C38.85 H25.18 N5 O0.85'
_chemical_formula_weight         575.62
_space_group_crystal_system      orthorhombic
_space_group_IT_number           30
_space_group_name_Hall           'P 2 -2bc'
_space_group_name_H-M_alt        'P n c 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_method           SHELXL-2014/7
_audit_update_record
;
2024-01-29 deposited with the CCDC.	2025-03-18 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   8.1689(2)
_cell_length_b                   36.9002(9)
_cell_length_c                   9.8982(3)
_cell_measurement_reflns_used    17915
_cell_measurement_temperature    180.00(10)
_cell_measurement_theta_max      29.5640
_cell_measurement_theta_min      2.1420
_cell_volume                     2983.65(14)
_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 0.999
_diffrn_measured_fraction_theta_max 0.925
_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_R_equivalents  0.0294
_diffrn_reflns_av_unetI/netI     0.0267
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.925
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       44
_diffrn_reflns_limit_k_min       -51
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            36341
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.904
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         29.641
_diffrn_reflns_theta_min         2.130
_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  0.62420
_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            brown
_exptl_crystal_density_diffrn    1.281
_exptl_crystal_description       plate-like
_exptl_crystal_F_000             1200
_exptl_crystal_size_max          0.34
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.395
_refine_diff_density_min         -0.228
_refine_diff_density_rms         0.057
_refine_ls_abs_structure_details
;
 Flack x determined using 2613 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.0(7)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.072
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     417
_refine_ls_number_reflns         7621
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.073
_refine_ls_R_factor_all          0.0736
_refine_ls_R_factor_gt           0.0641
_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^)+(0.0890P)^2^+1.6151P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1756
_refine_ls_wR_factor_ref         0.1817
_reflns_Friedel_coverage         0.853
_reflns_Friedel_fraction_full    1.000
_reflns_Friedel_fraction_max     0.881
_reflns_number_gt                6586
_reflns_number_total             7621
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5cp00499c2.cif
_cod_data_source_block           3
_cod_original_cell_volume        2983.66(14)
_cod_database_code               7250120
_shelx_shelxl_version_number     2014/7
_oxdiff_exptl_absorpt_empirical_full_min 0.617
_oxdiff_exptl_absorpt_empirical_full_max 1.522
_oxdiff_exptl_absorpt_empirical_details
;
Empirical correction (ABSPACK) includes:
- Absorption correction using spherical harmonics
- Frame scaling
;
_shelx_res_checksum              28499