AIE-active difluoroboronated acylhydrozone dyes (BOAHY) emitting across the entire visible region and their photo-switching properties
Yu, Changjiang; Hao, Erhong; Fang, Xingbao; Wu, Qinghua; Wang, Long; Li, Jiahua; Xu, Linli; Jiao, Lijuan; Wong, Wai-Yeung; Journal of Materials Chemistry C 7 (2019) 3269–; doi:10.1039/C9TC00316A

data_7237717
_publ_section_title
;
 AIE-active difluoroboronated acylhydrozone dyes (BOAHY) emitting across
 the entire visible region and their photo-switching properties
;
_journal_issue                   11
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              3269
_journal_paper_doi               10.1039/C9TC00316A
_journal_volume                  7
_journal_year                    2019
_chemical_formula_moiety         'C20 H22 B F2 N3 O'
_chemical_formula_sum            'C20 H22 B F2 N3 O'
_chemical_formula_weight         369.21
_chemical_name_systematic        2h
_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   geom
_audit_creation_date             2017-04-09
_audit_creation_method
;
Olex2 1.2-beta
(compiled 2016.11.30 svn.r3356 for OlexSys, GUI svn.r5269)
;
_audit_update_record
;
2018-10-17 deposited with the CCDC.
2019-02-06 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.550(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   6.4740(14)
_cell_length_b                   14.018(3)
_cell_length_c                   21.523(5)
_cell_measurement_reflns_used    4889
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.72
_cell_measurement_theta_min      2.39
_cell_volume                     1952.6(7)
_computing_data_collection       'Bruker SMART'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2015)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293.15
_diffrn_detector                 'CCD area detector'
_diffrn_detector_type            'Bruker SMART CCD 6000 area detector'
_diffrn_measured_fraction_theta_full 0.989
_diffrn_measured_fraction_theta_max 0.989
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0465
_diffrn_reflns_av_unetI/netI     0.0563
_diffrn_reflns_Laue_measured_fraction_full 0.989
_diffrn_reflns_Laue_measured_fraction_max 0.989
_diffrn_reflns_limit_h_max       7
_diffrn_reflns_limit_h_min       -7
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            12539
_diffrn_reflns_point_group_measured_fraction_full 0.989
_diffrn_reflns_point_group_measured_fraction_max 0.989
_diffrn_reflns_theta_full        25.022
_diffrn_reflns_theta_max         25.022
_diffrn_reflns_theta_min         1.734
_diffrn_source_target            Mo
_exptl_absorpt_coefficient_mu    0.091
_exptl_absorpt_correction_T_max  0.7456
_exptl_absorpt_correction_T_min  0.5935
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1188 before and 0.0467 after correction.
The Ratio of minimum to maximum transmission is 0.7960.
The \l/2 correction factor is 0.00150.
;
_exptl_crystal_colour            'metallic yellowish red'
_exptl_crystal_colour_lustre     metallic
_exptl_crystal_colour_modifier   yellowish
_exptl_crystal_colour_primary    red
_exptl_crystal_density_diffrn    1.256
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             776
_exptl_crystal_size_max          0.24
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.19
_refine_diff_density_max         0.216
_refine_diff_density_min         -0.171
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.067
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     246
_refine_ls_number_reflns         3417
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.067
_refine_ls_R_factor_all          0.1356
_refine_ls_R_factor_gt           0.0591
_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^)+(0.0444P)^2^+0.8468P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1236
_refine_ls_wR_factor_ref         0.1456
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2012
_reflns_number_total             3417
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9tc00316a2.cif
_cod_data_source_block           151207b_0m
_cod_database_code               7237717
_shelx_estimated_absorpt_t_max   0.983
_shelx_estimated_absorpt_t_min   0.978
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C17(H17A,H17B), C19(H19A,H19B)
2.b Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C5(H5), C6(H6), C7(H7), C8(H8), C9(H9), C10(H10), C12(H12),
 C13(H13), C15(H15), C16(H16)
2.c Idealised Me refined as rotating group:
 C18(H18A,H18B,H18C), C20(H20A,H20B,H20C)
;
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'