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_1567043
_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         'C19.44 H13.32 Br0.56 N O'
_chemical_formula_sum            'C19.44 H13.32 Br0.56 N O'
_chemical_formula_weight         321.66
_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
_audit_creation_date             2021-10-16
_audit_creation_method
;
Olex2 1.3
(compiled 2020.11.12 svn.r5f609507 for OlexSys, GUI svn.r6408)
;
_audit_update_record
;
2021-10-17 deposited with the CCDC.	2022-05-17 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 95.097(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.5680(7)
_cell_length_b                   10.1429(5)
_cell_length_c                   12.3305(7)
_cell_measurement_reflns_used    9988
_cell_measurement_temperature    120
_cell_measurement_theta_max      30.53
_cell_measurement_theta_min      2.31
_cell_volume                     1441.05(14)
_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  'XL  (Sheldrick, 2008)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      120
_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  0.0225
_diffrn_reflns_av_unetI/netI     0.0166
_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       11
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            27288
_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         30.540
_diffrn_reflns_theta_min         2.314
_diffrn_source_current           30.0
_diffrn_source_power             1.35
_diffrn_source_voltage           45.0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.633
_exptl_absorpt_correction_T_max  0.7461
_exptl_absorpt_correction_T_min  0.6661
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0488 before and 0.0321 after correction.
The Ratio of minimum to maximum transmission is 0.8928.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colourless
_exptl_crystal_colour_primary    colourless
_exptl_crystal_density_diffrn    1.483
_exptl_crystal_description       prism
_exptl_crystal_F_000             658
_exptl_crystal_size_max          0.381
_exptl_crystal_size_mid          0.38
_exptl_crystal_size_min          0.379
_refine_diff_density_max         0.375
_refine_diff_density_min         -0.247
_refine_diff_density_rms         0.051
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.024
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     210
_refine_ls_number_reflns         4402
_refine_ls_number_restraints     351
_refine_ls_restrained_S_all      0.984
_refine_ls_R_factor_all          0.0355
_refine_ls_R_factor_gt           0.0284
_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^)+(0.0303P)^2^+0.6733P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0667
_refine_ls_wR_factor_ref         0.0696
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3853
_reflns_number_total             4402
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d2sc01922a2.cif
_cod_data_source_block           mw445_a
_cod_database_code               1567043
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.576
_shelx_estimated_absorpt_t_min   0.575
_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. Uiso/Uaniso restraints and constraints
All non-hydrogen atoms have similar U: within 2A with sigma of 0.04 and sigma
for terminal atoms of 0.08 within 2A
3. Rigid body (RIGU) restrains
 All non-hydrogen atoms
 with sigma for 1-2 distances of 0.004 and sigma for 1-3 distances of 0.004
4. Others
 Sof(C1)=Sof(H1A)=Sof(H1B)=Sof(H1C)=1-FVAR(1)
 Sof(Br1)=FVAR(1)
5.a Aromatic/amide H refined with riding coordinates:
 C7(H7), C6(H6), C3(H3), C16(H16), C19(H19), C4(H4), C13(H13), C17(H17),
 C18(H18), C10(H10), C12(H12), C11(H11)
5.b Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
;
_shelx_res_checksum              21635
_shelx_hkl_checksum              82118
_olex2_submission_special_instructions 'No special instructions were received'