Achieving Highly Efficient Aggregation-Induced Emission, Reversible and Irreversible Photochromism by Heavy Halogen-Regulated Photophysics and D-A Molecular Pattern-Controlled Photochemistry of Through-Space Conjugated Lumingens
Xiong, Zuping; Zhang, Xiaoxiao; Liu, Longxiang; Zhu, Qiaozhi; Wang, Zhenni; Feng, Hui; Qian, Zhaosheng; Chemical Science  (2021) –; doi:10.1039/D1SC02168K

data_1563951
_publ_section_title
;
 Achieving Highly Efficient Aggregation-Induced Emission, Reversible and
 Irreversible Photochromism by Heavy Halogen-Regulated Photophysics and
 D-A Molecular Pattern-Controlled Photochemistry of Through-Space
 Conjugated Lumingens
;
_journal_name_full               'Chemical Science'
_journal_paper_doi               10.1039/D1SC02168K
_journal_year                    2021
_chemical_formula_moiety         'C21 H14 Br N'
_chemical_formula_sum            'C21 H14 Br N'
_chemical_formula_weight         360.24
_chemical_name_common            TPAN-Br
_space_group_crystal_system      triclinic
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_audit_creation_date             2020-01-09
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2021-01-06 deposited with the CCDC.	2021-07-05 downloaded from the CCDC.
;
_cell_angle_alpha                63.011(4)
_cell_angle_beta                 81.004(4)
_cell_angle_gamma                80.806(4)
_cell_formula_units_Z            2
_cell_length_a                   9.4954(9)
_cell_length_b                   9.5538(8)
_cell_length_c                   10.1628(9)
_cell_measurement_reflns_used    4437
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      26.27
_cell_measurement_theta_min      2.26
_cell_volume                     807.29(13)
_computing_cell_refinement       'SAINT v8.37A (Bruker, 2015)'
_computing_data_reduction        'SAINT v8.37A (Bruker, 2015)'
_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    'ShelXT (Sheldrick, 2015)'
_diffrn_ambient_temperature      149.99
_diffrn_measured_fraction_theta_full 0.997
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0625
_diffrn_reflns_av_unetI/netI     0.0495
_diffrn_reflns_Laue_measured_fraction_full 0.997
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       11
_diffrn_reflns_limit_k_min       -11
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            14512
_diffrn_reflns_point_group_measured_fraction_full 0.997
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.444
_diffrn_reflns_theta_min         2.183
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    2.544
_exptl_absorpt_correction_T_max  0.0276
_exptl_absorpt_correction_T_min  0.0087
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0982 before and 0.0641 after correction.
The Ratio of minimum to maximum transmission is 0.3152.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    1.482
_exptl_crystal_description       block
_exptl_crystal_F_000             364
_exptl_crystal_recrystallization_method 'Re-crystallisation from solvent'
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.15
_exptl_crystal_size_min          0.1
_refine_diff_density_max         0.340
_refine_diff_density_min         -0.342
_refine_diff_density_rms         0.078
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.045
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     208
_refine_ls_number_reflns         3303
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.045
_refine_ls_R_factor_all          0.0589
_refine_ls_R_factor_gt           0.0402
_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^)+(0.0307P)^2^+0.8628P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0855
_refine_ls_wR_factor_ref         0.0970
_reflns_Friedel_coverage         0.000
_reflns_number_gt                2619
_reflns_number_total             3303
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1sc02168k2.cif
_cod_data_source_block           mo_0109_7_0m
_cod_database_code               1563951
_shelx_shelxl_version_number     2018/3
_olex2_refinement_description
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups
2.a Aromatic/amide H refined with riding coordinates:
 C007(H007), C009(H009), C00A(H00A), C00C(H00C), C00D(H00D), C00F(H00F),
 C00G(H00G), C00H(H00H), C00I(H00I), C00J(H00J), C00K(H00K), C00L(H00L),
 C00M(H00M), C00N(H00N)
;
_shelx_res_checksum              90182
_shelx_hkl_checksum              66842
_olex2_submission_special_instructions 'No special instructions were received'