Highly efficient and stable deep-blue OLEDs based on narrowband emitters featuring an orthogonal spiro-configured indolo[3,2,1-de]acridine structure
Meng, Guoyun; Zhang, Dongdong; Wei, Jinbei; Zhang, Yuewei; Huang, Tianyu; Liu, Ziyang; Yin, Chen; Hong, Xiangchen; Wang, Xiang; Zeng, Xuan; Yang, Dezhi; Ma, Dongge; Li, Guomeng; Duan, Lian; Chemical Science  (2022) –; doi:10.1039/D2SC01543A

data_1566887
_publ_section_title
;
 Highly efficient and stable deep-blue OLEDs based on narrowband emitters
 featuring an orthogonal spiro-configured indolo[3,2,1-de]acridine
 structure
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC01543A
_journal_year                    2022
_chemical_formula_sum            'C29 H18 N'
_chemical_formula_weight         380.44
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2021-09-05 deposited with the CCDC.	2022-04-07 downloaded from the CCDC.
;
_cell_angle_alpha                105.478(7)
_cell_angle_beta                 90.206(7)
_cell_angle_gamma                96.312(8)
_cell_formula_units_Z            4
_cell_length_a                   8.4867(18)
_cell_length_b                   12.972(3)
_cell_length_c                   18.128(4)
_cell_measurement_reflns_used    5065
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.86
_cell_measurement_theta_min      2.25
_cell_volume                     1910.5(7)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2014 (Sheldrick 2014)'
_computing_structure_solution    'SHELXS-97 (Sheldrick 2008)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.984
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0393
_diffrn_reflns_av_unetI/netI     0.0633
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.984
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            23393
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.984
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         28.439
_diffrn_reflns_theta_min         1.640
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.323
_exptl_crystal_description       cubic
_exptl_crystal_F_000             796
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.150
_exptl_crystal_size_min          0.100
_refine_diff_density_max         0.332
_refine_diff_density_min         -0.237
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     549
_refine_ls_number_reflns         9486
_refine_ls_number_restraints     3
_refine_ls_restrained_S_all      1.006
_refine_ls_R_factor_all          0.1028
_refine_ls_R_factor_gt           0.0555
_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^)+(0.0796P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1304
_refine_ls_wR_factor_ref         0.1530
_reflns_Friedel_coverage         0.000
_reflns_number_gt                5807
_reflns_number_total             9486
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc01543a2.cif
_cod_data_source_block           1
_cod_original_cell_volume        1910.6(7)
_cod_database_code               1566887
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.985
_shelx_estimated_absorpt_t_max   0.992
_shelx_res_checksum              23190
_shelx_hkl_checksum              11213