Novel bipyrazolo[1,5-a]pyridine luminogens with aggregation-induced emission enhancement properties
Hsiao, Pu-Yen; Chu, Jean-Ho; Chemical Communications  (2021) –; doi:10.1039/D1CC05371J

data_7129187
_publ_section_title
;
 Novel bipyrazolo[1,5-a]pyridine luminogens with aggregation-induced
 emission enhancement properties
;
_journal_name_full               'Chemical Communications'
_journal_paper_doi               10.1039/D1CC05371J
_journal_year                    2021
_chemical_formula_moiety         'C28 H22 N4'
_chemical_formula_sum            'C28 H22 N4'
_chemical_formula_weight         414.50
_space_group_IT_number           2
_space_group_name_Hall           '-P 1'
_space_group_name_H-M_alt        'P -1'
_symmetry_cell_setting           triclinic
_symmetry_space_group_name_H-M   'P -1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2021-09-18 deposited with the CCDC.	2021-10-29 downloaded from the CCDC.
;
_cell_angle_alpha                86.332(2)
_cell_angle_beta                 77.996(2)
_cell_angle_gamma                74.258(2)
_cell_formula_units_Z            1
_cell_length_a                   7.3080(4)
_cell_length_b                   7.5944(4)
_cell_length_c                   9.7428(5)
_cell_measurement_reflns_used    4492
_cell_measurement_temperature    200(2)
_cell_measurement_theta_max      24.917
_cell_measurement_theta_min      2.786
_cell_volume                     509.05(5)
_computing_molecular_graphics    'Ortep-3 for Windows (Farrugia, 1997)'
_computing_publication_material  'WinGX publication routines (Farrugia, 2005)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_solution    'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      200(2)
_diffrn_measured_fraction_theta_full 0.992
_diffrn_measured_fraction_theta_max 0.992
_diffrn_measurement_device_type  'D8 Venture'
_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  0.0719
_diffrn_reflns_av_sigmaI/netI    0.0417
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       9
_diffrn_reflns_limit_k_min       -9
_diffrn_reflns_limit_l_max       11
_diffrn_reflns_limit_l_min       -11
_diffrn_reflns_number            12502
_diffrn_reflns_theta_full        25.05
_diffrn_reflns_theta_max         25.05
_diffrn_reflns_theta_min         2.79
_exptl_absorpt_coefficient_mu    0.081
_exptl_absorpt_correction_T_max  0.9951
_exptl_absorpt_correction_T_min  0.9628
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.352
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             218
_exptl_crystal_size_max          0.47
_exptl_crystal_size_mid          0.31
_exptl_crystal_size_min          0.06
_refine_diff_density_max         0.194
_refine_diff_density_min         -0.196
_refine_diff_density_rms         0.035
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.063
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     146
_refine_ls_number_reflns         1788
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.063
_refine_ls_R_factor_all          0.0555
_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^)+(0.0393P)^2^+0.1739P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0943
_refine_ls_wR_factor_ref         0.1068
_reflns_number_gt                1432
_reflns_number_total             1788
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            d1cc05371j2.cif
_cod_data_source_block           d20870
_cod_database_code               7129187