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_7123101
_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         'C28 H22 N4 O'
_chemical_formula_sum            'C28 H22 N4 O'
_chemical_formula_weight         430.49
_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             2018-11-02
_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                 90.4517(14)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   7.2269(2)
_cell_length_b                   27.1036(8)
_cell_length_c                   11.1290(3)
_cell_measurement_reflns_used    9916
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      77.79
_cell_measurement_theta_min      4.29
_cell_volume                     2179.83(11)
_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      99.99
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.980
_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  0.0465
_diffrn_reflns_av_unetI/netI     0.0295
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.980
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       32
_diffrn_reflns_limit_k_min       -34
_diffrn_reflns_limit_l_max       14
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            23216
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.980
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         77.995
_diffrn_reflns_theta_min         3.261
_diffrn_source                   'INCOATEC Imus micro-focus source'
_diffrn_standards_number         0
_exptl_absorpt_coefficient_mu    0.647
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.8475
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1046 before and 0.0674 after correction.
The Ratio of minimum to maximum transmission is 0.8475.
The \l/2 correction factor is Not present.
;
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.312
_exptl_crystal_description       needle
_exptl_crystal_F_000             904
_exptl_crystal_size_max          0.2
_exptl_crystal_size_mid          0.04
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.217
_refine_diff_density_min         -0.235
_refine_diff_density_rms         0.040
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.054
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     299
_refine_ls_number_reflns         4566
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0543
_refine_ls_R_factor_gt           0.0440
_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^)+(0.0371P)^2^+0.9515P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0988
_refine_ls_wR_factor_ref         0.1055
_reflns_Friedel_coverage         0.000
_reflns_number_gt                3841
_reflns_number_total             4566
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c9cc00262f2.cif
_cod_data_source_block           ql_1_133_1
_cod_database_code               7123101
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_max   0.981
_shelx_estimated_absorpt_t_min   0.881
_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:
 C1(H1), C2(H2), C3(H3), C4(H4), C5(H5), C16(H16), C17(H17), C19(H19),
 C20(H20), C23(H23), C24(H24), C25(H25), C26(H26), C27(H27), C29(H29), C30(H30),
  C31(H31), C32(H32), C33(H33)
2.b Idealised Me refined as rotating group:
 C13(H13A,H13B,H13C)
;
_shelx_res_checksum              73118
_olex2_submission_special_instructions 'No special instructions were received'