Synthesis of 4-[(2-imidazylethynyl)]-5-(2-pyridylethynyl)veratrole and characterization of the coordination complexes with silver(I) and palladium(II)
Nwachukwu, Chideraa I.; Bosch, Eric; Inorganica Chimica Acta 502 (2020) 119328–; doi:10.1016/j.ica.2019.119328

data_1565392
_publ_section_title
;
 Synthesis of 4-[(2-imidazylethynyl)]-5-(2-pyridylethynyl)veratrole and
 characterization of the coordination complexes with silver(I) and
 palladium(II)
;
_journal_name_full               'Inorganica Chimica Acta'
_journal_page_first              119328
_journal_paper_doi               10.1016/j.ica.2019.119328
_journal_volume                  502
_journal_year                    2020
_chemical_formula_sum            'C20 H15 N3 O2'
_chemical_formula_weight         329.35
_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   mixed
_cell_angle_alpha                110.387(6)
_cell_angle_beta                 95.185(6)
_cell_angle_gamma                92.835(7)
_cell_formula_units_Z            2
_cell_length_a                   6.698(3)
_cell_length_b                   9.659(4)
_cell_length_c                   13.379(6)
_cell_measurement_reflns_used    1097
_cell_measurement_temperature    100(2)
_cell_measurement_theta_max      25.15
_cell_measurement_theta_min      2.26
_cell_volume                     805.0(6)
_computing_cell_refinement       'Bruker SMART'
_computing_data_collection       'Bruker SMART'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'XSeed (Barbour, 2001)'
_computing_publication_material  'XSeed (Barbour, 2001)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2015)'
_diffrn_ambient_temperature      100(2)
_diffrn_detector_area_resol_mean 8.3660
_diffrn_measured_fraction_theta_full 0.999
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'phi and omega 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  0.0593
_diffrn_reflns_av_unetI/netI     0.0791
_diffrn_reflns_Laue_measured_fraction_full 0.999
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       12
_diffrn_reflns_limit_k_min       -12
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            10255
_diffrn_reflns_point_group_measured_fraction_full 0.999
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.142
_diffrn_reflns_theta_min         2.258
_exptl_absorpt_coefficient_mu    0.090
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.805
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS V2014(Bruker AXS)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.359
_exptl_crystal_description       'cut block'
_exptl_crystal_F_000             344
_exptl_crystal_size_max          0.25
_exptl_crystal_size_mid          0.21
_exptl_crystal_size_min          0.02
_refine_diff_density_max         0.568
_refine_diff_density_min         -0.332
_refine_diff_density_rms         0.077
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.994
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     232
_refine_ls_number_reflns         3575
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      0.994
_refine_ls_R_factor_all          0.1278
_refine_ls_R_factor_gt           0.0648
_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^)+(0.1110P)^2^] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1648
_refine_ls_wR_factor_ref         0.2067
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                1868
_reflns_number_total             3575
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            ICA-2020-502-119328.cif
_cod_data_source_block           eb608_a
_cod_original_cell_volume        804.9(6)
_cod_database_code               1565392
_shelx_res_checksum              79625
_shelx_hkl_checksum              11584