Bright persistent luminescence from pure organic molecules through moderate intermolecular heavy atom effect
Xue, peng chong; Wang, Panpan; Chen, Peng; Yao, Boqi; Gong, Peng; sun, Jiabao; zhang, Zhenqi; Lu, Ran; Chem. Sci.  (2015) –; doi:10.1039/C5SC03739E

data_1540472
_publ_section_title
;
 Bright persistent luminescence from pure organic molecules through
 moderate intermolecular heavy atom effect
;
_journal_name_full               'Chem. Sci.'
_journal_paper_doi               10.1039/C5SC03739E
_journal_year                    2015
_chemical_formula_sum            'C23 H22 Br N O'
_chemical_formula_weight         408.33
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/cc1jpz17
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-08-31 deposited with the CCDC.
2015-11-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 102.82(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            8
_cell_length_a                   18.368(4)
_cell_length_b                   9.0221(18)
_cell_length_c                   23.995(5)
_cell_measurement_reflns_used    9761
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      55.56
_cell_measurement_theta_min      6.12
_cell_volume                     3877.3(15)
_computing_cell_refinement       RAPID-AUTO
_computing_data_collection       'RAPID-AUTO (Rigaku Corporation, 1998)'
_computing_data_reduction
'CrystalStructure (Rigaku/MSC and Rigaku Corporation, 2002)'
_computing_molecular_graphics    'ORTEP-II (Johnson, 1976)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       '\w scan'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.1185
_diffrn_reflns_av_sigmaI/netI    0.0879
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       30
_diffrn_reflns_limit_l_min       -31
_diffrn_reflns_number            18432
_diffrn_reflns_theta_full        27.49
_diffrn_reflns_theta_max         27.49
_diffrn_reflns_theta_min         3.16
_exptl_absorpt_coefficient_mu    2.131
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.399
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1680
_exptl_crystal_size_max          0.582
_exptl_crystal_size_mid          0.347
_exptl_crystal_size_min          0.340
_refine_diff_density_max         0.320
_refine_diff_density_min         -0.615
_refine_diff_density_rms         0.101
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.003
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     235
_refine_ls_number_reflns         4446
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.003
_refine_ls_R_factor_all          0.1604
_refine_ls_R_factor_gt           0.0589
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0439P)^2^+1.9255P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1008
_refine_ls_wR_factor_ref         0.1257
_reflns_number_gt                2014
_reflns_number_total             4446
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5sc03739e4.cif
_cod_data_source_block           kac5phylbr
_cod_original_cell_volume        3877.3(13)
_cod_original_sg_symbol_H-M      C2/c
_cod_database_code               1540472