A novel carbazole derivative containing fluorobenzene unit: aggregation-induced fluorescence emission, polymorphism, mechanochromism and non-reversible thermo-stimulus fluorescence
Zhu, Huichao; Weng, Shiyin; Zhang, Hong; Yu, Haizhu; Kong, Lin; Zhong, Yulin; Tian, Yupeng; Yang, Jiaxiang; CrystEngComm 20 (2018) 2772–; doi:10.1039/C8CE00025E

data_7230393
_publ_section_title
;
 A novel carbazole derivative containing fluorobenzene unit:
 aggregation-induced fluorescence emission, polymorphism, mechanochromism
 and non-reversible thermo-stimulus fluorescence
;
_journal_issue                   20
_journal_name_full               CrystEngComm
_journal_page_first              2772
_journal_paper_doi               10.1039/C8CE00025E
_journal_volume                  20
_journal_year                    2018
_chemical_formula_sum            'C28 H22 F N3'
_chemical_formula_weight         419.49
_chemical_name_systematic        'zhu00010 '
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2016-10-22 deposited with the CCDC.
2018-03-29 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.7593(18)
_cell_length_b                   13.386(4)
_cell_length_c                   19.541(4)
_cell_measurement_reflns_used    7416
_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      25.99
_cell_measurement_theta_min      2.55
_cell_volume                     2291.2(10)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'CCD area detector'
_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  0.0199
_diffrn_reflns_av_sigmaI/netI    0.0168
_diffrn_reflns_limit_h_max       10
_diffrn_reflns_limit_h_min       -10
_diffrn_reflns_limit_k_max       15
_diffrn_reflns_limit_k_min       -15
_diffrn_reflns_limit_l_max       23
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            16322
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.84
_exptl_absorpt_coefficient_mu    0.078
_exptl_absorpt_correction_T_max  0.9869
_exptl_absorpt_correction_T_min  0.9854
_exptl_crystal_colour            Yellow
_exptl_crystal_density_diffrn    1.216
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       Rodlike
_exptl_crystal_F_000             880
_exptl_crystal_size_max          0.19
_exptl_crystal_size_mid          0.18
_exptl_crystal_size_min          0.17
_refine_diff_density_max         0.292
_refine_diff_density_min         -0.149
_refine_diff_density_rms         0.026
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.7(14)
_refine_ls_extinction_coef       0.0035(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     SHELXL
_refine_ls_goodness_of_fit_ref   1.049
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     291
_refine_ls_number_reflns         4029
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.049
_refine_ls_R_factor_all          0.0458
_refine_ls_R_factor_gt           0.0395
_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^)+(0.0538P)^2^+0.3840P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1048
_refine_ls_wR_factor_ref         0.1106
_reflns_number_gt                3564
_reflns_number_total             4029
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8ce00025e2.cif
_cod_data_source_block           zhu00010
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Orthorhombic' changed to
'orthorhombic' according to
/home/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 4973 2017-02-22 13:04:09Z antanas 

 Adding full bibliography for 7230393--7230394.cif.
;
_cod_original_cell_volume        2291.2(9)
_cod_original_sg_symbol_H-M      'P2(1)2(1)2(1) '
_cod_database_code               7230393