A series of new mixed-ligand complexes based on 3,6-bis(imidazol-1-yl)pyridazine: syntheses, structures, and catalytic activities
Zhou, Sheng-Bin; Wang, Xin-Fang; Du, Ceng-Ceng; Wang, Duo-Zhi; Jia, Dianzeng; CrystEngComm  (2017) –; doi:10.1039/C7CE00394C

data_7228244
_publ_section_title
;
 A series of new mixed-ligand complexes based on
 3,6-bis(imidazol-1-yl)pyridazine: syntheses, structures, and catalytic
 activities
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/C7CE00394C
_journal_year                    2017
_chemical_formula_sum            'C22 H16 N14 Ni S2'
_chemical_formula_weight         599.32
_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_method           SHELXL-2014/7
_audit_update_record
;
2017-04-07 deposited with the CCDC.
2017-05-08 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 107.531(9)
_cell_angle_gamma                90
_cell_formula_units_Z            2
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_cell_length_b                   16.144(5)
_cell_length_c                   10.837(3)
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_cell_measurement_temperature    296(2)
_cell_measurement_theta_max      20.78
_cell_measurement_theta_min      2.34
_cell_volume                     1236.0(6)
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2014)'
_diffrn_ambient_temperature      296(2)
_diffrn_measured_fraction_theta_full 0.978
_diffrn_measured_fraction_theta_max 0.978
_diffrn_measurement_device_type  CCD
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0721
_diffrn_reflns_av_unetI/netI     0.0697
_diffrn_reflns_Laue_measured_fraction_full 0.978
_diffrn_reflns_Laue_measured_fraction_max 0.978
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       10
_diffrn_reflns_limit_l_min       -12
_diffrn_reflns_number            7649
_diffrn_reflns_point_group_measured_fraction_full 0.978
_diffrn_reflns_point_group_measured_fraction_max 0.978
_diffrn_reflns_theta_full        25.021
_diffrn_reflns_theta_max         25.021
_diffrn_reflns_theta_min         2.340
_exptl_absorpt_coefficient_mu    0.999
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   sadabs
_exptl_crystal_colour            green
_exptl_crystal_density_diffrn    1.610
_exptl_crystal_description       block
_exptl_crystal_F_000             612
_exptl_crystal_size_max          0.220
_exptl_crystal_size_mid          0.200
_exptl_crystal_size_min          0.180
_exptl_transmission_factor_max   0.864
_exptl_transmission_factor_min   0.864
_refine_diff_density_max         0.432
_refine_diff_density_min         -0.381
_refine_diff_density_rms         0.074
_refine_ls_extinction_method     none
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_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     178
_refine_ls_number_reflns         2137
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.038
_refine_ls_R_factor_all          0.0660
_refine_ls_R_factor_gt           0.0447
_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^)+(0.0308P)^2^+0.9939P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0953
_refine_ls_wR_factor_ref         0.1063
_reflns_Friedel_coverage         0.000
_reflns_number_gt                1595
_reflns_number_total             2137
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7ce00394c3.cif
_cod_data_source_block           1
_cod_database_code               7228244
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.810
_shelx_estimated_absorpt_t_max   0.841
_shelx_res_checksum              35159