Pure E/Z isomers of N-methylpyrrole-benzohydrazide-based BF2 complexes: remarkable aggregation-, crystallization-induced emission switching properties and application in sensing intracellular pH microenvironment
Yu, Yizhe; Yu, Changjiang; Wu, Qinghua; Wang, Hua; Jiao, Lijuan; Wong, Wai-Yeung; Hao, Erhong; Journal of Materials Chemistry C 7 (2019) 4533–; doi:10.1039/C9TC00473D

data_7237737
_publ_section_title
;
 Pure E/Z isomers of N-methylpyrrole-benzohydrazide-based BF2 complexes:
 remarkable aggregation-, crystallization-induced emission switching
 properties and application in sensing intracellular pH microenvironment
;
_journal_issue                   15
_journal_name_full               'Journal of Materials Chemistry C'
_journal_page_first              4533
_journal_paper_doi               10.1039/C9TC00473D
_journal_volume                  7
_journal_year                    2019
_chemical_formula_moiety         'C14 H14 B F2 N3 O2'
_chemical_formula_sum            'C14 H14 B F2 N3 O2'
_chemical_formula_weight         305.09
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_audit_creation_date             2018-05-31
_audit_creation_method
;
Olex2 1.2
(compiled 2015.01.26 svn.r3150 for OlexSys, GUI svn.r1)
;
_audit_update_record
;
2019-01-02 deposited with the CCDC.	2019-03-11 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 91.8440(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   10.8986(2)
_cell_length_b                   11.8661(2)
_cell_length_c                   11.1113(2)
_cell_measurement_reflns_used    6688
_cell_measurement_temperature    273(2)
_cell_measurement_theta_max      66.45
_cell_measurement_theta_min      5.46
_cell_volume                     1436.21(4)
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'ShelXL (Sheldrick, 2008)'
_computing_structure_solution    'SIR2004 (Burla et al., 2007)'
_diffrn_ambient_temperature      273.15
_diffrn_detector                 'Bruker APEX2 area detector'
_diffrn_detector_area_resol_mean 7.9
_diffrn_detector_type            'CCD area detector'
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device       'three-circle diffractometer'
_diffrn_measurement_device_type  'Bruker SMART APEX2 area detector'
_diffrn_measurement_method       '\w and \f scans'
_diffrn_radiation_monochromator  'mirror optics'
_diffrn_radiation_probe          x-ray
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0252
_diffrn_reflns_av_unetI/netI     0.0219
_diffrn_reflns_Laue_measured_fraction_full 0.990
_diffrn_reflns_Laue_measured_fraction_max 0.990
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       13
_diffrn_reflns_limit_l_min       -10
_diffrn_reflns_number            10675
_diffrn_reflns_point_group_measured_fraction_full 0.990
_diffrn_reflns_point_group_measured_fraction_max 0.990
_diffrn_reflns_theta_full        66.548
_diffrn_reflns_theta_max         66.548
_diffrn_reflns_theta_min         5.456
_diffrn_source                   'microfocus sealed X-ray tube'
_diffrn_source_type              'Incoatec I\ms'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.956
_exptl_absorpt_correction_T_max  0.7528
_exptl_absorpt_correction_T_min  0.6521
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2014/5 (Bruker,2014/5) was used for absorption correction.
wR2(int) was 0.1397 before and 0.0436 after correction.
The Ratio of minimum to maximum transmission is 0.8662.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            'metallic orangish yellow'
_exptl_crystal_colour_lustre     metallic
_exptl_crystal_colour_modifier   orangish
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.411
_exptl_crystal_description       cube
_exptl_crystal_F_000             632
_exptl_crystal_size_max          0.23
_exptl_crystal_size_mid          0.12
_exptl_crystal_size_min          0.08
_refine_diff_density_max         0.144
_refine_diff_density_min         -0.156
_refine_diff_density_rms         0.032
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.061
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     201
_refine_ls_number_reflns         2501
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.061
_refine_ls_R_factor_all          0.0394
_refine_ls_R_factor_gt           0.0351
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0542P)^2^+0.2035P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0939
_refine_ls_wR_factor_ref         0.0973
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2241
_reflns_number_total             2501
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9tc00473d2.cif
_cod_data_source_block           cu_20180513a_0m_a
_cod_database_code               7237737
_shelx_estimated_absorpt_t_max   0.927
_shelx_estimated_absorpt_t_min   0.810
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C3(H3), C4(H4), C6(H6), C7(H7), C9(H9), C11(H11), C12(H12), C13(H13)
2.b Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C14(H14A,H14B,H14C)
;
_shelx_res_checksum              66960
_shelx_shelxl_version_number     2014/7
_olex2_submission_special_instructions 'No special instructions were received'