Multi-color solid-state emission of β-iminoenolate boron complexes tuned by methoxyl groups: aggregation-induced emission and mechanofluorochromism
Zhang, Zhenqi; Wu, Zhu; Sun, Jingbo; Xue, Pengchong; Lu, Ran; RSC Advances 6 (2016) 43755–; doi:10.1039/C6RA03722D

data_7236194
_publ_section_title
;
 Multi-color solid-state emission of \b-iminoenolate boron complexes tuned
 by methoxyl groups: aggregation-induced emission and
 mechanofluorochromism
;
_journal_issue                   49
_journal_name_full               'RSC Advances'
_journal_page_first              43755
_journal_paper_doi               10.1039/C6RA03722D
_journal_volume                  6
_journal_year                    2016
_chemical_formula_sum            'C17 H14 B F2 N O4'
_chemical_formula_weight         345.10
_chemical_name_systematic        B25B
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_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
_audit_update_record
;
2016-01-11 deposited with the CCDC.
2016-04-25 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 104.52(3)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.7008(15)
_cell_length_b                   11.481(2)
_cell_length_c                   18.166(5)
_cell_measurement_reflns_used    11344
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      55.08
_cell_measurement_theta_min      6.22
_cell_volume                     1554.8(6)
_computing_cell_refinement       RAPID-AUTO
_computing_data_collection       'RAPID-AUTO (Rigaku Corporation, 1998)'
_computing_data_reduction
'CrystalStructure (Rigaku/MSC and Rigaku Corporation, 2002)'
_computing_molecular_graphics    'ORTEP-II (Johnson, 1976)'
_computing_publication_material  SHELXL-97
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.000
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.998
_diffrn_measurement_device_type  'Rigaku RAXIS-RAPID'
_diffrn_measurement_method       '\w scan'
_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  0.0633
_diffrn_reflns_av_sigmaI/netI    0.0673
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -23
_diffrn_reflns_number            14992
_diffrn_reflns_theta_full        27.50
_diffrn_reflns_theta_max         27.50
_diffrn_reflns_theta_min         3.11
_diffrn_standards_decay_%        0
_diffrn_standards_interval_count 0
_diffrn_standards_interval_time  0
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.119
_exptl_absorpt_correction_T_max  0.9847
_exptl_absorpt_correction_T_min  0.9835
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.474
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             712
_exptl_crystal_size_max          0.552
_exptl_crystal_size_mid          0.474
_exptl_crystal_size_min          0.374
_refine_diff_density_max         0.262
_refine_diff_density_min         -0.262
_refine_diff_density_rms         0.089
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.068
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     228
_refine_ls_number_reflns         3552
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.068
_refine_ls_R_factor_all          0.0649
_refine_ls_R_factor_gt           0.0452
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0649P)^2^+0.1199P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1186
_refine_ls_wR_factor_ref         0.1278
_reflns_number_gt                2602
_reflns_number_total             3552
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c6ra03722d2.cif
_cod_data_source_block           c
_cod_original_sg_symbol_H-M      P21/c
_cod_database_code               7236194