Blue fluorescent zinc(II) complexes based on tunable imidazo[1,5-a]pyridines
Volpi, Giorgio; Priola, Emanuele; Garino, Claudio; Daolio, Andrea; Rabezzana, Roberto; Benzi, Paola; Giordana, Alessia; Diana, Eliano; Gobetto, Roberto; Inorganica Chimica Acta 509 (2020) 119662–; doi:10.1016/j.ica.2020.119662

data_1564434
_publ_section_title
;
 Blue fluorescent zinc(II) complexes based on tunable
 imidazo[1,5-a]pyridines
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              119662
_journal_paper_doi               10.1016/j.ica.2020.119662
_journal_volume                  509
_journal_year                    2020
_chemical_formula_sum            'C18 H13 Cl2 N3 Zn'
_chemical_formula_weight         407.60
_space_group_IT_number           14
_space_group_name_Hall           '-P 2ybc'
_space_group_name_H-M_alt        'P 1 21/c 1'
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 100.340(4)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   8.8557(3)
_cell_length_b                   11.8069(5)
_cell_length_c                   16.8833(8)
_cell_measurement_reflns_used    3751
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      29.4498
_cell_measurement_theta_min      3.2997
_cell_volume                     1736.62(13)
_computing_cell_refinement
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_data_collection
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_data_reduction
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
;
_computing_molecular_graphics    'SHELXP-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1990)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 10.2890
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.999
_diffrn_measurement_device_type  'Xcalibur, Ruby, Gemini ultra'
_diffrn_measurement_method       '\w scans'
_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  0.1183
_diffrn_reflns_av_sigmaI/netI    0.0992
_diffrn_reflns_limit_h_max       11
_diffrn_reflns_limit_h_min       -11
_diffrn_reflns_limit_k_max       14
_diffrn_reflns_limit_k_min       -14
_diffrn_reflns_limit_l_max       21
_diffrn_reflns_limit_l_min       -21
_diffrn_reflns_number            19505
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         3.31
_diffrn_standards_number         19505
_exptl_absorpt_coefficient_mu    1.725
_exptl_absorpt_correction_T_max  1.00000
_exptl_absorpt_correction_T_min  0.96625
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro, Agilent Technologies,
Version 1.171.36.20 (release 27-06-2012 CrysAlis171 .NET)
(compiled Jul 11 2012,15:38:31)
Empirical absorption correction using spherical harmonics,
 implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            yellow
_exptl_crystal_density_diffrn    1.559
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       prism
_exptl_crystal_F_000             824.0
_exptl_crystal_size_max          0.30
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.20
_refine_diff_density_max         0.524
_refine_diff_density_min         -0.631
_refine_diff_density_rms         0.107
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.080
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     217
_refine_ls_number_reflns         2789
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.080
_refine_ls_R_factor_all          0.1211
_refine_ls_R_factor_gt           0.0676
_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^)+(0.0832P)^2^+1.6287P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1486
_refine_ls_wR_factor_ref         0.1800
_reflns_number_gt                1823
_reflns_number_total             2789
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2020-509-119662.CIF
_cod_data_source_block           1
_cod_original_sg_symbol_H-M      P2(1)/c
_cod_database_code               1564434
_shelx_hkl_checksum              6632