Clustering-Triggered Ultralong Room-Temperature Phosphorescence of Organic Crystals through Halogen-Mediated Molecular Assembly.
Sun, Huili; Ding, Riqing; Lv, Shanling; Zhou, Shasha; Guo, Sidan; Qian, Zhaosheng; Feng, Hui; The journal of physical chemistry letters 11 (2020) 4962–4969; doi:10.1021/acs.jpclett.0c01272

data_8000435
_publ_section_title
;
 Clustering-Triggered Ultralong Room-Temperature Phosphorescence of
 Organic Crystals through Halogen-Mediated Molecular Assembly.
;
_journal_issue                   13
_journal_name_full               'The journal of physical chemistry letters'
_journal_page_first              4962
_journal_page_last               4969
_journal_paper_doi               10.1021/acs.jpclett.0c01272
_journal_volume                  11
_journal_year                    2020
_chemical_formula_moiety         'C19 H14 Br N'
_chemical_formula_sum            'C19 H14 Br N'
_chemical_formula_weight         336.22
_chemical_name_common            9-(4-bromobenzyl)-9H-carbazole
_chemical_name_systematic        9-(4-bromobenzyl)-9H-carbazole
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2019-09-01
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.5364(6)
_cell_length_b                   13.6786(14)
_cell_length_c                   19.513(2)
_cell_measurement_reflns_used    7416
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      26.424
_cell_measurement_theta_min      2.564
_cell_volume                     1477.7(3)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_computing_structure_solution    'XS (Sheldrick, 2008)'
_diffrn_ambient_temperature      273.15
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0335
_diffrn_reflns_av_unetI/netI     0.0431
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       17
_diffrn_reflns_limit_k_min       -17
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            15866
_diffrn_reflns_point_group_measured_fraction_full 0.992
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.486
_diffrn_reflns_theta_min         2.564
_exptl_absorpt_coefficient_mu    2.774
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.4957
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1065 before and 0.0693 after correction.
The Ratio of minimum to maximum transmission is 0.6648.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.511
_exptl_crystal_description       colorless
_exptl_crystal_F_000             680
_refine_diff_density_max         0.251
_refine_diff_density_min         -0.474
_refine_diff_density_rms         0.047
_refine_ls_abs_structure_details
;
 Flack x determined using 907 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.010(6)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.021
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         3357
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.021
_refine_ls_R_factor_all          0.0457
_refine_ls_R_factor_gt           0.0312
_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^)+(0.0324P)^2^+0.1274P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0710
_refine_ls_wR_factor_ref         0.0766
_reflns_Friedel_coverage         0.701
_reflns_Friedel_fraction_full    0.984
_reflns_Friedel_fraction_max     0.982
_reflns_number_gt                2710
_reflns_number_total             3357
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            jz0c01272_si_002.cif
_cod_data_source_block           9-(4-bromobenzyl)-9H-carbazole
_cod_depositor_comments
'Adding full bibliography for 8000434--8000435.cif.'
_cod_database_code               8000435
_shelx_shelxl_version_number     2014/7
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C13(H13A,H13B)
2.b Aromatic/amide H refined with riding coordinates:
 C11(H11), C8(H8), C9(H9), C5(H5), C15(H15), C4(H4), C16(H16), C19(H19),
 C3(H3), C10(H10), C18(H18), C2(H2)
;
_olex2_submission_special_instructions 'No special instructions were received'