Deep-Blue Oxadiazole-Containing Thermally Activated Delayed Fluorescence Emitters for Organic Light-Emitting Diodes.
Wong, Michael Y.; Krotkus, Simonas; Copley, Graeme; Li, Wenbo; Murawski, Caroline; Hall, David; Hedley, Gordon J.; Jaricot, Marie; Cordes, David B.; Slawin, Alexandra M. Z.; Olivier, Yoann; Beljonne, David; Muccioli, Luca; Moral, Monica; Sancho-Garcia, Juan-Carlos; Gather, Malte C.; Samuel, Ifor D. W.; Zysman-Colman, Eli; ACS applied materials & interfaces 10 (2018) 33360–33372; doi:10.1021/acsami.8b11136

data_4515329
_publ_section_title
;
 Deep-Blue Oxadiazole-Containing Thermally Activated Delayed Fluorescence
 Emitters for Organic Light-Emitting Diodes.
;
_journal_issue                   39
_journal_name_full               'ACS applied materials &amp; interfaces'
_journal_page_first              33360
_journal_page_last               33372
_journal_paper_doi               10.1021/acsami.8b11136
_journal_volume                  10
_journal_year                    2018
_chemical_formula_moiety         'C48 H26 F6 N6 O2, C2 H3 N'
_chemical_formula_sum            'C50 H29 F6 N7 O2'
_chemical_formula_weight         873.82
_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
_atom_sites_solution_secondary   difmap
_audit_creation_date             2015-01-22
_audit_creation_method           'by CrystalStructure 4.1'
_cell_angle_alpha                90.0000
_cell_angle_beta                 92.780(3)
_cell_angle_gamma                90.0000
_cell_formula_units_Z            4
_cell_length_a                   11.6951(15)
_cell_length_b                   28.180(4)
_cell_length_c                   12.5595(15)
_cell_measurement_reflns_used    2342
_cell_measurement_temperature    173
_cell_measurement_theta_max      68.20
_cell_measurement_theta_min      40.50
_cell_volume                     4134.3(9)
_computing_cell_refinement       'CrystalClear-SM Expert 2.1 b32'
_computing_data_collection       'CrystalClear-SM Expert 2.1 b32 (Rigaku, 2014)'
_computing_data_reduction        'CrystalClear-SM Expert 2.1 b32'
_computing_molecular_graphics    'CrystalStructure 4.1'
_computing_publication_material  'CrystalStructure 4.1 (Rigaku, 2014)'
_computing_structure_refinement  'SHELXL2013 (Sheldrick, 2008)'
_computing_structure_solution    'Superflip (Palatinus, et al., 2007)'
_diffrn_ambient_temperature      173
_diffrn_detector_area_resol_mean 5.814
_diffrn_measured_fraction_theta_full 0.962
_diffrn_measured_fraction_theta_max 0.950
_diffrn_measurement_device_type  'Rigaku XtaLAB P100'
_diffrn_measurement_method       \w
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0429
_diffrn_reflns_Laue_measured_fraction_full 0.962
_diffrn_reflns_Laue_measured_fraction_max 0.950
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -13
_diffrn_reflns_limit_k_max       33
_diffrn_reflns_limit_k_min       -33
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -14
_diffrn_reflns_number            25620
_diffrn_reflns_point_group_measured_fraction_full 0.962
_diffrn_reflns_point_group_measured_fraction_max 0.950
_diffrn_reflns_theta_full        67.000
_diffrn_reflns_theta_max         68.362
_diffrn_reflns_theta_min         3.137
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.903
_exptl_absorpt_correction_T_max  0.835
_exptl_absorpt_correction_T_min  0.713
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'REQAB (Rigaku, 1998)'
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.404
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             1792.00
_exptl_crystal_size_max          0.200
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.200
_refine_diff_density_max         0.84
_refine_diff_density_min         -0.87
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.314
_refine_ls_hydrogen_treatment    constr
_refine_ls_number_parameters     587
_refine_ls_number_reflns         7200
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.1001
_refine_ls_R_factor_gt           0.0992
_refine_ls_shift/su_max          0.039
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w = 1/[\s^2^(Fo^2^)+(0.2000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2638
_refine_ls_wR_factor_ref         0.2669
_reflns_number_gt                6910
_reflns_number_total             7200
_reflns_threshold_expression     F^2^>2.0\s(F^2^)
_cod_data_source_file            am8b11136_si_002.cif
_cod_data_source_block           2CzdOXD4CF3Ph
_cod_database_code               4515329
_shelx_res_checksum              27130
_shelx_hkl_checksum              75472