Hydrogen bonding boosted the persistent room temperature phosphorescence of pure organic compounds for multiple applications
Zhang, Tingting; Gao, Heqi; Lv, Anqi; Wang, Ziyi; Gong, Yongyang; Ding, Dan; Ma, Huili; Zhang, Yongming; Yuan, Wang Zhang; Journal of Materials Chemistry C 7 (2019) 9095–; doi:10.1039/C9TC02879J

data_7237912
_publ_section_title
;
 Hydrogen bonding boosted the persistent room temperature phosphorescence
 of pure organic compounds for multiple applications
;
_journal_issue                   29
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              9095
_journal_paper_doi               10.1039/C9TC02879J
_journal_volume                  7
_journal_year                    2019
_chemical_formula_moiety         'C19 H13 N O2'
_chemical_formula_sum            'C19 H13 N O2'
_chemical_formula_weight         287.30
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_method           SHELXL-2016/6
_audit_update_record
;
2019-05-13 deposited with the CCDC.	2019-07-02 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 94.2040(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
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_cell_length_b                   18.6170(4)
_cell_length_c                   20.8228(5)
_cell_measurement_reflns_used    5203
_cell_measurement_temperature    298(2)
_cell_measurement_theta_max      68.11
_cell_measurement_theta_min      3.19
_cell_volume                     1554.66(6)
_computing_structure_refinement  'SHELXL-2016/6 (Sheldrick, 2016)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      298(2)
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.987
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0406
_diffrn_reflns_av_unetI/netI     0.0308
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.987
_diffrn_reflns_limit_h_max       4
_diffrn_reflns_limit_h_min       -4
_diffrn_reflns_limit_k_max       22
_diffrn_reflns_limit_k_min       -21
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            11353
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.987
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         68.395
_diffrn_reflns_theta_min         3.188
_exptl_absorpt_coefficient_mu    0.643
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.227
_exptl_crystal_description       block
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_exptl_crystal_size_max          0.180
_exptl_crystal_size_mid          0.180
_exptl_crystal_size_min          0.180
_exptl_transmission_factor_max   0.7531
_exptl_transmission_factor_min   0.6635
_refine_diff_density_max         1.242
_refine_diff_density_min         -0.349
_refine_diff_density_rms         0.152
_refine_ls_extinction_coef       0.031(5)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2016/6 (Sheldrick 2016)'
_refine_ls_goodness_of_fit_ref   1.132
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         2812
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.132
_refine_ls_R_factor_all          0.0914
_refine_ls_R_factor_gt           0.0806
_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^)+(0.2000P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2422
_refine_ls_wR_factor_ref         0.2635
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2288
_reflns_number_total             2812
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9tc02879j3.cif
_cod_data_source_block           t_a
_cod_original_sg_symbol_H-M      'P 21/c'
_cod_database_code               7237912
_shelx_shelxl_version_number     2016/6
_shelx_estimated_absorpt_t_min   0.893
_shelx_estimated_absorpt_t_max   0.893
_shelx_res_checksum              66326