An AIE-active luminophore with tunable and remarkable fluorescence switching based on the piezo and protonation-deprotonation control
Chunping Ma; Bingjia Xu; Gaoyi Xie; Jiajun He; Xie Zhou; Bangyin Peng; Long Jiang; Bin Xu; Wenjing Tian; Zhenguo Chi; Siwei Liu; Yi Zhang; Jiarui Xu; Chem.Commun. 50 (2014) 7374–; doi:10.1039/C4CC01012D

data_7114620
_publ_section_title
;
 An AIE-active luminophore with tunable and remarkable fluorescence
 switching based on the piezo and protonation-deprotonation control
;
_journal_name_full               Chem.Commun.
_journal_page_first              7374
_journal_paper_doi               10.1039/C4CC01012D
_journal_volume                  50
_journal_year                    2014
_chemical_formula_moiety         'C33 H23 N O S'
_chemical_formula_sum            'C33 H23 N O S'
_chemical_formula_weight         481.58
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_cell_angle_alpha                90.00
_cell_angle_beta                 105.496(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   23.642(3)
_cell_length_b                   5.7597(6)
_cell_length_c                   19.018(3)
_cell_measurement_temperature    153(2)
_cell_volume                     2495.6(6)
_computing_cell_refinement       'Bruker FRAMBO'
_computing_data_collection       'Bruker FRAMBO'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      153(2)
_diffrn_measured_fraction_theta_full 0.988
_diffrn_measured_fraction_theta_max 0.988
_diffrn_measurement_device_type  'multiwire proportional'
_diffrn_measurement_method       'phi and omega scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0396
_diffrn_reflns_av_sigmaI/netI    0.0489
_diffrn_reflns_limit_h_max       30
_diffrn_reflns_limit_h_min       -27
_diffrn_reflns_limit_k_max       6
_diffrn_reflns_limit_k_min       -7
_diffrn_reflns_limit_l_max       24
_diffrn_reflns_limit_l_min       -24
_diffrn_reflns_number            14896
_diffrn_reflns_theta_full        27.48
_diffrn_reflns_theta_max         27.48
_diffrn_reflns_theta_min         3.20
_exptl_absorpt_coefficient_mu    0.157
_exptl_absorpt_correction_type   none
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.282
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1008
_exptl_crystal_size_max          0.4
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.484
_refine_diff_density_min         -0.348
_refine_diff_density_rms         0.055
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.055
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     329
_refine_ls_number_reflns         5666
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.055
_refine_ls_R_factor_all          0.0714
_refine_ls_R_factor_gt           0.0505
_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^)+(0.0788P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1264
_refine_ls_wR_factor_ref         0.1393
_reflns_number_gt                4052
_reflns_number_total             5666
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c4cc01012d2.cif
_cod_data_source_block           a
_cod_original_cell_volume        2495.6(5)
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               7114620