Color-Tunable and ESIPT-Inspired Solid Fluorophores Based on Benzothiazole Derivatives: Aggregation-Induced Emission, Strong Solvatochromic Effect, and White Light Emission
Chen, Yahui; Fang, Yu; Gu, Hao; Qiang, Jian; Li, Haidong; Fan, Jiangli; Cao, Jianfang; Wang, Fang; Lu, Sheng; Chen, Xiaoqiang; ACS Applied Materials & Interfaces  (2020) –; doi:10.1021/acsami.0c16585

data_4518255
_publ_section_title
;
 Color-Tunable and ESIPT-Inspired Solid Fluorophores Based on
 Benzothiazole Derivatives: Aggregation-Induced Emission, Strong
 Solvatochromic Effect, and White Light Emission
;
_journal_name_full               'ACS Applied Materials &amp; Interfaces'
_journal_paper_doi               10.1021/acsami.0c16585
_journal_year                    2020
_chemical_formula_moiety         'C27 H19 Cl3 N4 O2 S'
_chemical_formula_sum            'C27 H19 Cl3 N4 O2 S'
_chemical_formula_weight         569.87
_space_group_crystal_system      monoclinic
_space_group_IT_number           11
_space_group_name_Hall           '-P 2yb'
_space_group_name_H-M_alt        'P 1 21/m 1'
_atom_sites_solution_hydrogens   mixed
_audit_creation_method           SHELXL-2018/3
_cell_angle_alpha                90
_cell_angle_beta                 95.990(8)
_cell_angle_gamma                90
_cell_formula_units_Z            2
_cell_length_a                   13.152(4)
_cell_length_b                   6.687(2)
_cell_length_c                   15.824(5)
_cell_measurement_reflns_used    4672
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.5952
_cell_measurement_theta_min      3.0465
_cell_volume                     1384.1(7)
_computing_cell_refinement       'SAINT (Bruker, 2005)'
_computing_data_collection       'APEX2 (Bruker, 2005)'
_computing_data_reduction        SAINT
_computing_molecular_graphics    SHELXTL
_computing_publication_material  SHELXTL
_computing_structure_refinement  'SHELXL-2014 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014 (Sheldrick, 2014)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX2 CCD'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0715
_diffrn_reflns_av_unetI/netI     0.0588
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       17
_diffrn_reflns_limit_h_min       -17
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       20
_diffrn_reflns_limit_l_min       -20
_diffrn_reflns_number            18372
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.643
_diffrn_reflns_theta_min         3.115
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    0.438
_exptl_absorpt_correction_T_max  0.879
_exptl_absorpt_correction_T_min  0.831
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2005)'
_exptl_crystal_colour            Red
_exptl_crystal_density_diffrn    1.367
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Block
_exptl_crystal_F_000             584
_exptl_crystal_size_max          0.16
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.10
_refine_diff_density_max         0.417
_refine_diff_density_min         -0.567
_refine_diff_density_rms         0.073
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.091
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     245
_refine_ls_number_reflns         3493
_refine_ls_number_restraints     41
_refine_ls_restrained_S_all      1.128
_refine_ls_R_factor_all          0.1411
_refine_ls_R_factor_gt           0.0935
_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^)+(0.1117P)^2^+2.3598P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2316
_refine_ls_wR_factor_ref         0.2630
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2271
_reflns_number_total             3493
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            am0c16585_si_007.cif
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      'P 21/m'
_cod_database_code               4518255
_shelx_shelxl_version_number     2018/3
_shelx_res_checksum              90990
_shelx_hkl_checksum              4369