Invoking ultralong room temperature phosphorescence of purely organic compounds through H-aggregation engineering
Yuan, Jie; Wang, Shuang; Ji, Yu; Chen, Runfeng; Zhu, Qi; Wang, Yongrong; Zheng, Chao; Tao, Ye; Fan, Quli; Huang, Wei; Materials Horizons 6 (2019) 1259–; doi:10.1039/C9MH00220K

data_1550811
_publ_section_title
;
 Invoking ultralong room temperature phosphorescence of purely organic
 compounds through H-aggregation engineering
;
_journal_issue                   6
_journal_name_full               'Materials Horizons'
_journal_page_first              1259
_journal_paper_doi               10.1039/C9MH00220K
_journal_volume                  6
_journal_year                    2019
_chemical_formula_moiety         'C19 H12 N2'
_chemical_formula_sum            'C19 H12 N2'
_chemical_formula_weight         268.31
_chemical_name_common            scnphcz
_chemical_name_systematic        2-(9H-carbazol-9-yl)benzonitrile
_space_group_crystal_system      orthorhombic
_space_group_IT_number           45
_space_group_name_Hall           'I 2 -2c'
_space_group_name_H-M_alt        'I b a 2'
_symmetry_space_group_name_Hall  'I 2 -2c'
_symmetry_space_group_name_H-M   'I b a 2'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2017-10-23
_audit_creation_method
;
Olex2 1.2
(compiled 2017.03.02 svn.r3394 for OlexSys, GUI svn.r5324)
;
_audit_update_record
;
2017-10-23 deposited with the CCDC.    2019-03-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   14.753(3)
_cell_length_b                   24.611(4)
_cell_length_c                   8.0508(13)
_cell_measurement_reflns_used    180
_cell_measurement_temperature    294(2)
_cell_measurement_theta_max      0.989
_cell_measurement_theta_min      0.983
_cell_volume                     2923.1(9)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      294.54
_diffrn_measured_fraction_theta_full 0.982
_diffrn_measured_fraction_theta_max 0.924
_diffrn_measurement_device_type  'Bruker SMART APEX-II CCD'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0281
_diffrn_reflns_av_unetI/netI     0.0378
_diffrn_reflns_Laue_measured_fraction_full 0.982
_diffrn_reflns_Laue_measured_fraction_max 0.924
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -19
_diffrn_reflns_limit_k_max       41
_diffrn_reflns_limit_k_min       -35
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            19120
_diffrn_reflns_point_group_measured_fraction_full 0.980
_diffrn_reflns_point_group_measured_fraction_max 0.844
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         37.616
_diffrn_reflns_theta_min         3.220
_exptl_absorpt_coefficient_mu    0.073
_exptl_crystal_colour            ????
_exptl_crystal_density_diffrn    1.219
_exptl_crystal_description       block
_exptl_crystal_F_000             1120
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: ????/???'
_exptl_crystal_size_max          0.3
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.15
_refine_diff_density_max         0.153
_refine_diff_density_min         -0.149
_refine_diff_density_rms         0.029
_refine_ls_abs_structure_details
;
 Flack x determined using 1572 quotients [(I+)-(I-)]/[(I+)+(I-)]
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259).
;
_refine_ls_abs_structure_Flack   0.4(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     190
_refine_ls_number_reflns         6549
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0990
_refine_ls_R_factor_gt           0.0612
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0628P)^2^+0.5399P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1327
_refine_ls_wR_factor_ref         0.1511
_reflns_Friedel_coverage         0.729
_reflns_Friedel_fraction_full    0.977
_reflns_Friedel_fraction_max     0.754
_reflns_number_gt                4515
_reflns_number_total             6549
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9mh00220k2.cif
_cod_data_source_block           1_CCDC3
_cod_depositor_comments
'Adding full bibliography for 1550807--1550811.cif.'
_cod_original_cell_volume        2923.1(8)
_cod_database_code               1550811
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.868
_shelx_estimated_absorpt_t_min   0.594
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C00A(H00A), C00B(H00B), C00C(H00C), C00D(H00D), C00F(H00F), C00I(H00I),
 C00J(H00J), C00K(H00K), C00L(H00L), C004(H004), C005(H005), C007(H007)
;
_shelx_res_checksum              41738
_shelx_hkl_checksum              78699
_olex2_submission_special_instructions 'No special instructions were received'