Thermally activated delayed fluorescence in a deep red dinuclear iridium(iii) complex: a hidden mechanism for short luminescence lifetimes.
Pander, Piotr; Zaytsev, Andrey V.; Sil, Amit; Baryshnikov, Glib V.; Siddique, Farhan; Williams, J. A. Gareth; Dias, Fernando B.; Kozhevnikov, Valery N.; Chemical science 14 (2023) 13934–13943; doi:10.1039/d3sc04450e

data_1570301
_publ_section_title
;
 Thermally activated delayed fluorescence in a deep red dinuclear
 iridium(iii) complex: a hidden mechanism for short luminescence
 lifetimes.
;
_journal_issue                   47
_journal_name_full               'Chemical science'
_journal_page_first              13934
_journal_page_last               13943
_journal_paper_doi               10.1039/d3sc04450e
_journal_volume                  14
_journal_year                    2023
_chemical_formula_moiety         'C64 H50 Ir2 N6 O2'
_chemical_formula_sum            'C64 H50 Ir2 N6 O2'
_chemical_formula_weight         1319.50
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2021-04-20
_audit_creation_method
;
Olex2 1.3-beta
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6272)
;
_audit_update_record
;
2023-08-14 deposited with the CCDC.	2023-11-13 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 115.1202(14)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   30.2193(13)
_cell_length_b                   12.6557(5)
_cell_length_c                   14.4652(6)
_cell_measurement_reflns_used    7507
_cell_measurement_temperature    130.0
_cell_measurement_theta_max      26.67
_cell_measurement_theta_min      2.65
_cell_volume                     5008.9(4)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_collection       'APEX3 v.2017.3_0 (Bruker AXS, 2017)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.3-beta (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3-beta (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2017/1 (Sheldrick, 2015)'
_computing_structure_solution    'XS  (Sheldrick, 2008)'
_diffrn_ambient_temperature      130.0
_diffrn_detector                 'Bruker PHOTON III C14 MM CPAD'
_diffrn_detector_area_resol_mean 54.4
_diffrn_detector_type            'CPA sensor'
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device       '3-circle diffractometer'
_diffrn_measurement_device_type  'Bruker D8 Venture'
_diffrn_measurement_method       '\w- and \f-scans'
_diffrn_radiation_monochromator  'focusing mirrors'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1281
_diffrn_reflns_av_unetI/netI     0.0757
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 1.000
_diffrn_reflns_limit_h_max       39
_diffrn_reflns_limit_h_min       -39
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            52134
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 1.000
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.998
_diffrn_reflns_theta_min         2.140
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_current           1.4
_diffrn_source_power             0.07
_diffrn_source_type              'Incoatec I\mS 3.0 microsource'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    5.362
_exptl_absorpt_correction_T_max  0.7462
_exptl_absorpt_correction_T_min  0.6669
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0828 before and 0.0766 after correction.
The Ratio of minimum to maximum transmission is 0.8937.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'clear red'
_exptl_crystal_colour_lustre     clear
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.750
_exptl_crystal_description       plate
_exptl_crystal_F_000             2584
_exptl_crystal_size_max          0.045
_exptl_crystal_size_mid          0.032
_exptl_crystal_size_min          0.006
_refine_diff_density_max         1.001
_refine_diff_density_min         -1.475
_refine_diff_density_rms         0.207
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.030
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     337
_refine_ls_number_reflns         6047
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.030
_refine_ls_R_factor_all          0.0765
_refine_ls_R_factor_gt           0.0416
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0181P)^2^+38.5165P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0694
_refine_ls_wR_factor_ref         0.0790
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4254
_reflns_number_total             6047
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d3sc04450e2.cif
_cod_data_source_block           1_21srv206
_cod_depositor_comments
;
The following automatic conversions were performed:

data item '_diffrn_radiation_probe' value 'X-ray' was changed to
'x-ray' in accordance with the
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/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 8170 2020-07-09 18:12:32Z antanas 

 Adding full bibliography for 1570301.cif.
;
_cod_database_code               1570301
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.969
_shelx_estimated_absorpt_t_min   0.794
_computing_bruker_data_scaling   'SADABS V2012/1 (Bruker AXS Inc.)'
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C1(H1), C3(H3), C6(H6), C7(H7), C8(H8), C9(H9), C10(H10), C11(H11), C12(H12),
 C13(H13), C17(H17), C19(H19), C20(H20), C22(H22), C23(H23), C24(H24), C25(H25),
  C29(H29), C31(H31), C32(H32)
2.b Idealised Me refined as rotating group:
 C21(H21A,H21B,H21C), C33(H33A,H33B,H33C)
;
_olex2_submission_special_instructions 'No special instructions were received'