Control of photoluminescence quantum yield and long-lived triplet emission lifetime in organic alloys
Xu, Zhen; Hean, Duane; Yuan, Jennifer; Wolf, Michael O.; Chemical Science  (2022) –; doi:10.1039/D2SC01922A

data_1567046
_publ_section_title
;
 Control of photoluminescence quantum yield and long-lived triplet
 emission lifetime in organic alloys
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D2SC01922A
_journal_year                    2022
_chemical_formula_moiety         'C19.912 H14.736 Br0.088 N O'
_chemical_formula_sum            'C19.91 H14.74 Br0.09 N O'
_chemical_formula_weight         291.01
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2021-02-09
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6226)
;
_audit_update_record
;
2021-10-17 deposited with the CCDC.	2022-05-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.7450(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.6141(6)
_cell_length_b                   10.0515(5)
_cell_length_c                   12.2961(6)
_cell_measurement_reflns_used    9976
_cell_measurement_temperature    100
_cell_measurement_theta_max      30.588
_cell_measurement_theta_min      2.318
_cell_volume                     1430.52(12)
_computing_cell_refinement       'SAINT V8.40A (Bruker, 2019)'
_computing_data_reduction        'SAINT V8.40A (Bruker, 2019)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2017/1 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      100
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.997
_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  0.0198
_diffrn_reflns_av_unetI/netI     0.0144
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.997
_diffrn_reflns_limit_h_max       16
_diffrn_reflns_limit_h_min       -16
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            25534
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.997
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.616
_diffrn_reflns_theta_min         2.318
_diffrn_source_current           30.0
_diffrn_source_power             1.35
_diffrn_source_voltage           45.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.326
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.7166
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0509 before and 0.0336 after correction.
The Ratio of minimum to maximum transmission is 0.9605.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.351
_exptl_crystal_description       prism
_exptl_crystal_F_000             609
_exptl_crystal_size_max          0.399
_exptl_crystal_size_mid          0.389
_exptl_crystal_size_min          0.378
_refine_diff_density_max         0.477
_refine_diff_density_min         -0.229
_refine_diff_density_rms         0.053
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.040
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         4395
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.040
_refine_ls_R_factor_all          0.0449
_refine_ls_R_factor_gt           0.0388
_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^)+(0.0592P)^2^+0.4848P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1028
_refine_ls_wR_factor_ref         0.1071
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3846
_reflns_number_total             4395
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc01922a2.cif
_cod_data_source_block           mw416_a
_cod_database_code               1567046
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.887
_shelx_estimated_absorpt_t_min   0.881
_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. Others
 Sof(Br1)=1-FVAR(1)
 Sof(C1)=Sof(H1A)=Sof(H1B)=Sof(H1C)=FVAR(1)
3.a Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C6(H6), C7(H7), C10(H10), C11(H11), C12(H12), C13(H13),
 C16(H16), C17(H17), C18(H18), C19(H19)
3.b Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
;
_shelx_res_checksum              70586
_shelx_hkl_checksum              99180
_olex2_submission_special_instructions 'No special instructions were received'