A novel strategy for realizing dual state fluorescence and low-temperature phosphorescence
Lei, Yunxiang; Dai, Wenbo; Liu, Zhiqi; Guo, Shuai; Cai, Zhengxu; Shi, Jianbing; Zheng, Xiaoyan; Zhi, Junge; Tong, Bin; Dong, Yuping; Materials Chemistry Frontiers 3 (2019) 284–; doi:10.1039/C8QM00613J

data_1554248
_publ_section_title
;
 A novel strategy for realizing dual state fluorescence and
 low-temperature phosphorescence
;
_journal_issue                   2
_journal_name_full               'Materials Chemistry Frontiers'
_journal_page_first              284
_journal_paper_doi               10.1039/C8QM00613J
_journal_volume                  3
_journal_year                    2019
_chemical_formula_moiety         'C29 H23 N O'
_chemical_formula_sum            'C29 H23 N O'
_chemical_formula_weight         401.48
_space_group_crystal_system      monoclinic
_space_group_IT_number           15
_space_group_name_Hall           '-C 2yc'
_space_group_name_H-M_alt        'C 1 2/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2018-03-14
_audit_creation_method
;
Olex2 1.2
(compiled 2017.08.10 svn.r3458 for OlexSys, GUI svn.r5381)
;
_audit_update_record
;
2018-07-05 deposited with the CCDC.
2018-12-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 100.11(3)
_cell_angle_gamma                90
_cell_formula_units_Z            8
_cell_length_a                   31.660(6)
_cell_length_b                   5.9010(12)
_cell_length_c                   22.932(5)
_cell_measurement_reflns_used    6613
_cell_measurement_temperature    153(2)
_cell_measurement_theta_max      27.4816
_cell_measurement_theta_min      1.3067
_cell_volume                     4217.8(15)
_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    'ShelXS (Sheldrick, 2008)'
_diffrn_ambient_temperature      153.15
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'multiwire proportional'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0462
_diffrn_reflns_av_unetI/netI     0.0463
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       40
_diffrn_reflns_limit_h_min       -40
_diffrn_reflns_limit_k_max       7
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       29
_diffrn_reflns_limit_l_min       -27
_diffrn_reflns_number            14302
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.470
_diffrn_reflns_theta_min         1.307
_exptl_absorpt_coefficient_mu    0.076
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.7834
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'CrystalClear (Rigaku Inc., 2008)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.265
_exptl_crystal_description       rod
_exptl_crystal_F_000             1696
_exptl_crystal_size_max          0.21
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.486
_refine_diff_density_min         -0.429
_refine_diff_density_rms         0.100
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.267
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     281
_refine_ls_number_reflns         4807
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.267
_refine_ls_R_factor_all          0.0955
_refine_ls_R_factor_gt           0.0781
_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^)+(0.1288P)^2^+3.8438P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2294
_refine_ls_wR_factor_ref         0.2679
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4219
_reflns_number_total             4807
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c8qm00613j2.cif
_cod_data_source_block           bwn18026
_cod_database_code               1554248
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_max   0.992
_shelx_estimated_absorpt_t_min   0.984
_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.a Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C6(H6), C7(H7), C9(H9), C10(H10), C12(H12), C13(H13),
 C14(H14), C16(H16), C19(H19), C20(H20), C21(H21), C22(H22), C23(H23), C25(H25),
  C26(H26), C27(H27), C28(H28), C29(H29)
2.b Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
;
_olex2_submission_special_instructions 'No special instructions were received'