Aggregation-induced emission and the working mechanism of 1-benzoyl and 1-benzyl pyrene derivatives.
Zhang, Yingying; He, Bairong; Liu, Junkai; Hu, Shimin; Pan, Lingxiang; Zhao, Zujin; Tang, Ben Zhong; Physical chemistry chemical physics : PCCP 20 (2018) 9922–9929; doi:10.1039/c8cp00260f

data_7230346
_publ_section_title
;
 Aggregation-induced emission and the working mechanism of 1-benzoyl and
 1-benzyl pyrene derivatives.
;
_journal_issue                   15
_journal_name_full               'Physical chemistry chemical physics : PCCP'
_journal_page_first              9922
_journal_page_last               9929
_journal_paper_doi               10.1039/c8cp00260f
_journal_volume                  20
_journal_year                    2018
_chemical_formula_moiety         'C23 H9 F5 O'
_chemical_formula_sum            'C23 H9 F5 O'
_chemical_formula_weight         396.30
_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
;
2017-02-16 deposited with the CCDC.
2018-03-22 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                   7.9511(5)
_cell_length_b                   8.4125(7)
_cell_length_c                   24.0545(18)
_cell_measurement_reflns_used    2880
_cell_measurement_temperature    173(2)
_cell_measurement_theta_max      25.31
_cell_measurement_theta_min      2.96
_cell_volume                     1609.0(2)
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      173(2)
_diffrn_measured_fraction_theta_full 0.991
_diffrn_measured_fraction_theta_max 0.991
_diffrn_measurement_device_type  'PHOTON100 CMOS detector'
_diffrn_measurement_method       'omega scan'
_diffrn_radiation_monochromator  'TRIUMPH curved crystal monochromator'
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0530
_diffrn_reflns_av_sigmaI/netI    0.0643
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       28
_diffrn_reflns_limit_l_min       -28
_diffrn_reflns_number            6997
_diffrn_reflns_theta_full        25.35
_diffrn_reflns_theta_max         25.35
_diffrn_reflns_theta_min         3.07
_exptl_absorpt_coefficient_mu    0.139
_exptl_absorpt_correction_T_max  0.7452
_exptl_absorpt_correction_T_min  0.6712
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2014)'
_exptl_crystal_density_diffrn    1.636
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             800
_exptl_crystal_size_max          0.37
_exptl_crystal_size_mid          0.34
_exptl_crystal_size_min          0.33
_refine_diff_density_max         0.199
_refine_diff_density_min         -0.260
_refine_diff_density_rms         0.056
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   0.4(11)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.065
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     262
_refine_ls_number_reflns         2903
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.065
_refine_ls_R_factor_all          0.0878
_refine_ls_R_factor_gt           0.0506
_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^)+(0.0476P)^2^+0.7981P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1033
_refine_ls_wR_factor_ref         0.1202
_reflns_number_gt                2157
_reflns_number_total             2903
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c8cp00260f2.cif
_cod_data_source_block           1_CCDC2
_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 7230343--7230348.cif.
;
_cod_original_sg_symbol_H-M      'P2(1)2(1)2(1) '
_cod_database_code               7230346