Aggregation-induced emission (AIE)-active molecules bearing singlet oxygen generation activities: the tunable singlet-triplet energy gap matters
Zhang, Chengkai; Zhao, Yanqian; Li, Dandan; Liu, Jiejie; Han, Heguo; He, Daoyu; Tian, Xiaohe; Li, Shengli; Wu, Jieying; Tian, Yupeng; Chemical Communications  (2019) –; doi:10.1039/C8CC09230C

data_7122776
_publ_section_title
;
 Aggregation-induced emission (AIE)-active molecules bearing singlet
 oxygen generation activities: the tunable singlet-triplet energy gap
 matters
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C8CC09230C
_journal_year                    2019
_chemical_formula_moiety         'C29 H28 N4 O4'
_chemical_formula_sum            'C29 H28 N4 O4'
_chemical_formula_weight         496.55
_space_group_IT_number           2
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_Hall  '-P 1'
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2018-11-08 deposited with the CCDC.
2019-01-07 downloaded from the CCDC.
;
_cell_angle_alpha                96.2600(10)
_cell_angle_beta                 105.2540(10)
_cell_angle_gamma                115.5130(10)
_cell_formula_units_Z            2
_cell_length_a                   9.9838(9)
_cell_length_b                   11.1579(10)
_cell_length_c                   13.2772(12)
_cell_measurement_reflns_used    4703
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      27.07
_cell_measurement_theta_min      2.31
_cell_volume                     1245.10(19)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'CCD area detector'
_diffrn_measurement_method       'phi and omega scans'
_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  0.0141
_diffrn_reflns_av_sigmaI/netI    0.0224
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            8924
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.64
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  0.9823
_exptl_absorpt_correction_T_min  0.9735
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.324
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             524
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.277
_refine_diff_density_min         -0.308
_refine_diff_density_rms         0.052
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.990
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     336
_refine_ls_number_reflns         4343
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.990
_refine_ls_R_factor_all          0.0464
_refine_ls_R_factor_gt           0.0398
_refine_ls_shift/su_max          0.005
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0463P)^2^+0.6327P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0980
_refine_ls_wR_factor_ref         0.1036
_reflns_number_gt                3775
_reflns_number_total             4343
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8cc09230c2.cif
_cod_data_source_block           a
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Triclinic' changed to 'triclinic'
according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 
;
_cod_original_sg_symbol_H-M      'P-1   '
_cod_database_code               7122776