The roles of thermally activated delayed fluorescence sensitizers for efficient red fluorescent organic light-emitting diodes with D–A–A type emitters
Wang, Ya-Kun; Huang, Chen-Chao; Kumar, Sarvendra; Wu, Sheng-Fan; Yuan, Yi; Aziz Khan, Aziz Khan; Jiang, Zuo-Quan; Fung, Man-Keung; Liao, Liang-Sheng; Materials Chemistry Frontiers 3 (2019) 161–; doi:10.1039/C8QM00442K

data_1554240
_publ_section_title
;
 The roles of thermally activated delayed fluorescence sensitizers for
 efficient red fluorescent organic light-emitting diodes with D--A--A type
 emitters
;
_journal_issue                   1
_journal_name_full               'Materials Chemistry Frontiers'
_journal_page_first              161
_journal_paper_doi               10.1039/C8QM00442K
_journal_volume                  3
_journal_year                    2019
_chemical_formula_sum            'C25 H14 N4 O S'
_chemical_formula_weight         418.46
_chemical_name_common            POZ-BT-CN
_chemical_name_systematic        POZ-BT-CN
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-03-11 deposited with the CCDC.
2018-11-20 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 107.795(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   17.804(2)
_cell_length_b                   9.2170(11)
_cell_length_c                   12.5258(17)
_cell_measurement_reflns_used    8320
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.28
_cell_measurement_theta_min      2.52
_cell_volume                     1957.1(4)
_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 0.98
_diffrn_measured_fraction_theta_max 0.886
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0497
_diffrn_reflns_av_sigmaI/netI    0.0318
_diffrn_reflns_limit_h_max       20
_diffrn_reflns_limit_h_min       -20
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            22210
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.50
_diffrn_reflns_theta_min         2.40
_exptl_absorpt_coefficient_mu    0.192
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.420
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       niddle
_exptl_crystal_F_000             864
_exptl_crystal_size_max          0.45
_exptl_crystal_size_mid          0.32
_exptl_crystal_size_min          0.28
_refine_diff_density_max         0.322
_refine_diff_density_min         -0.310
_refine_diff_density_rms         0.047
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.071
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     280
_refine_ls_number_reflns         3220
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.071
_refine_ls_R_factor_all          0.0605
_refine_ls_R_factor_gt           0.0410
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0447P)^2^+0.9686P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0939
_refine_ls_wR_factor_ref         0.1027
_reflns_number_gt                2528
_reflns_number_total             3220
_reflns_threshold_expression     >2\s(I)
_cod_data_source_file            c8qm00442k2.cif
_cod_data_source_block           a_a
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_symmetry_cell_setting' value 'Monoclinic' was changed to
'monoclinic' in accordance with the
/home/saulius/struct/COD-crude-data/automatic-downloads/DataCite-retrospective/RSC/depositions/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 last updated on
2011-04-26.

Automatic conversion script
Id: cif_fix_values 6909 2019-04-08 15:41:33Z antanas 
;
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1554240