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_4518254
_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         'C14 H12 N2 S'
_chemical_formula_sum            'C14 H12 N2 S'
_chemical_formula_weight         240.32
_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   mixed
_atom_sites_solution_primary     dual
_audit_creation_date             2020-06-30
_audit_creation_method
;
Olex2 1.3
(compiled 2020.02.04 svn.rd84adfe8 for OlexSys, GUI svn.r6032)
;
_cell_angle_alpha                90
_cell_angle_beta                 109.170(4)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   13.162(4)
_cell_length_b                   7.262(2)
_cell_length_c                   13.191(4)
_cell_measurement_reflns_used    1956
_cell_measurement_temperature    296.15
_cell_measurement_theta_max      25.268
_cell_measurement_theta_min      2.805
_cell_volume                     1190.9(6)
_computing_cell_refinement       'SAINT v7.68A (Bruker, 2009)'
_computing_data_reduction        'SAINT v7.68A (Bruker, 2009)'
_computing_molecular_graphics    'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.3 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      296.15
_diffrn_measured_fraction_theta_full 0.961
_diffrn_measured_fraction_theta_max 0.961
_diffrn_measurement_device_type  'Bruker P4'
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0199
_diffrn_reflns_av_unetI/netI     0.0229
_diffrn_reflns_Laue_measured_fraction_full 0.961
_diffrn_reflns_Laue_measured_fraction_max 0.961
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       8
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_number            5136
_diffrn_reflns_point_group_measured_fraction_full 0.961
_diffrn_reflns_point_group_measured_fraction_max 0.961
_diffrn_reflns_theta_full        24.386
_diffrn_reflns_theta_max         24.386
_diffrn_reflns_theta_min         1.638
_diffrn_source_current           30.0
_diffrn_source_power             1.35
_diffrn_source_voltage           45.0
_exptl_absorpt_coefficient_mu    0.248
_exptl_absorpt_correction_T_max  0.973
_exptl_absorpt_correction_T_min  0.971
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2005)'
_exptl_crystal_colour            brown
_exptl_crystal_density_diffrn    1.340
_exptl_crystal_description       block
_exptl_crystal_F_000             504
_exptl_crystal_size_max          0.12
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.11
_refine_diff_density_max         0.198
_refine_diff_density_min         -0.185
_refine_diff_density_rms         0.037
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.079
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     160
_refine_ls_number_reflns         1889
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.079
_refine_ls_R_factor_all          0.0465
_refine_ls_R_factor_gt           0.0374
_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^)+(0.0632P)^2^+0.2574P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1106
_refine_ls_wR_factor_ref         0.1165
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1565
_reflns_number_total             1889
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            am0c16585_si_003.cif
_cod_data_source_block           a01
_cod_original_cell_volume        1191.0(7)
_cod_database_code               4518254
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_max   0.973
_shelx_estimated_absorpt_t_min   0.971
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Rotating group:
 N2(H2A)
2.b Aromatic/amide H refined with riding coordinates:
 C4(H4), C6(H6), C7(H7), C10(H10), C11(H11), C12(H12), C14(H14)
2.c Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C)
;
_shelx_res_checksum              60083
_shelx_hkl_checksum              60462
_olex2_submission_special_instructions 'No special instructions were received'