Rational design and synthesis of yellow-light emitting triazole fluorophores with AIE and mechanochromic properties
Shi, Xiaodong; Lai, Qi; Liu, Qing; Zhao, Kai; Shan, Chuan; Wojtas, Lukasz; Zheng, Qing-Chuan; Song, Zhiguang; Chemical Communications  (2019) –; doi:10.1039/C9CC00262F

data_7123109
_publ_section_title
;
 Rational design and synthesis of yellow-light emitting triazole
 fluorophores with AIE and mechanochromic properties
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/C9CC00262F
_journal_year                    2019
_chemical_formula_moiety         'C30 H28 N4 O Si'
_chemical_formula_sum            'C30 H28 N4 O Si'
_chemical_formula_weight         488.65
_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'
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_audit_creation_date             2018-11-08
_audit_creation_method
;
Olex2 1.2
(compiled 2018.05.29 svn.r3508 for OlexSys, GUI svn.r5506)
;
_audit_update_record
;
2019-01-02 deposited with the CCDC.    2019-03-07 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 109.903(2)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   9.8270(5)
_cell_length_b                   19.5256(9)
_cell_length_c                   14.1862(6)
_cell_measurement_reflns_used    9504
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      79.07
_cell_measurement_theta_min      4.79
_cell_volume                     2559.4(2)
_computing_cell_refinement       'SAINT V8.38A (?, 2016)'
_computing_data_reduction        'SAINT V8.38A (?, 2016)'
_computing_molecular_graphics    'Olex2 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 (Dolomanov et al., 2009)'
_computing_structure_refinement  'XL (Sheldrick, 2008)'
_diffrn_ambient_temperature      100.0
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  'Bruker D8 Venture PHOTON II CPAD'
_diffrn_measurement_method       'omega scans'
_diffrn_radiation_monochromator  mirrors
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.0549
_diffrn_reflns_av_unetI/netI     0.0237
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.978
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       24
_diffrn_reflns_limit_k_min       -24
_diffrn_reflns_limit_l_max       18
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            55930
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.978
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         79.861
_diffrn_reflns_theta_min         4.013
_diffrn_source                   'INCOATEC Imus micro-focus source'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    1.044
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8944
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.0863 before and 0.0692 after correction.
The Ratio of minimum to maximum transmission is 0.8944.
The \l/2 correction factor is Not present.
;
_exptl_crystal_density_diffrn    1.268
_exptl_crystal_description       plate
_exptl_crystal_F_000             1032
_exptl_crystal_size_max          0.15
_exptl_crystal_size_mid          0.11
_exptl_crystal_size_min          0.05
_refine_diff_density_max         0.321
_refine_diff_density_min         -0.290
_refine_diff_density_rms         0.045
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.046
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     328
_refine_ls_number_reflns         5457
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.046
_refine_ls_R_factor_all          0.0412
_refine_ls_R_factor_gt           0.0355
_refine_ls_shift/su_max          0.002
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0394P)^2^+1.2550P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.0906
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4885
_reflns_number_total             5457
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc00262f2.cif
_cod_data_source_block           ql_1023_d5_0m
_cod_database_code               7123109
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.950
_shelx_estimated_absorpt_t_min   0.859
_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:
 C27(H27), C33(H33), C36(H36), C16(H16), C22(H22), C30(H30), C35(H35),
 C17(H17), C19(H19), C14(H14), C29(H29), C32(H32), C20(H20), C28(H28), C26(H26),
  C23(H23), C34(H34), C15(H15), C13(H13)
2.b Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C), C2(H2A,H2B,H2C), C3(H3A,H3B,H3C)
;
_shelx_res_checksum              33716
_olex2_submission_special_instructions 'No special instructions were received'