Nickel(II) Complexes of Halogen-Containing NNO Donor Aroylhydrazones as Potential Putative Binders against SARS Cov-2 M pro
Maniyampara, Pramod Kumar; M, BHAGIYALAKSHMI; Kurup, Prathapachandra M. R.; Potti, Manoj Easwaran; Damodaran, Krishna K.; Maheswaran , Sithambaresan; Hussain, Firasat; CrystEngComm  (2025) –; doi:10.1039/D5CE00875A

data_7251349
_publ_section_title
;
 Nickel(II) Complexes of Halogen-Containing NNO Donor Aroylhydrazones as
 Potential Putative Binders against SARS Cov-2 M pro
;
_journal_name_full               CrystEngComm
_journal_paper_doi               10.1039/D5CE00875A
_journal_year                    2025
_chemical_formula_moiety         'C36 H25 Br2 N8 Ni O2, N O3'
_chemical_formula_sum            'C36 H25 Br2 N9 Ni O5'
_chemical_formula_weight         882.14
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_Hall           '-P 2yn'
_space_group_name_H-M_alt        'P 1 21/n 1'
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     difmap
_audit_creation_method           SHELXL-2018/3
_audit_update_record
;
2025-07-21 deposited with the CCDC.	2025-11-26 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 105.387(3)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   11.6612(11)
_cell_length_b                   22.5022(19)
_cell_length_c                   14.1199(13)
_cell_measurement_reflns_used    9797
_cell_measurement_temperature    302(2)
_cell_measurement_theta_max      33.14
_cell_measurement_theta_min      3.012
_cell_volume                     3572.3(6)
_computing_cell_refinement       'APEX2/SAINT (Bruker, 2004)'
_computing_data_collection       'APEX2 (Bruker, 2004)'
_computing_data_reduction        'SAINT/XPREP (Bruker, 2004)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and Mercury (Bruno et al., 2002)'
_computing_publication_material  'SHELXL-2014/7 (Sheldrick, 2014)'
_computing_structure_refinement  'SHELXL-2018/3 (Sheldrick, 2018)'
_computing_structure_solution    'SHELXT 2014/5 (Sheldrick, 2014)'
_diffrn_ambient_temperature      302(2)
_diffrn_measured_fraction_theta_full 0.998
_diffrn_measured_fraction_theta_max 0.993
_diffrn_measurement_device_type  'Bruker axs kappa apex2 CCD Diffractometer'
_diffrn_measurement_method       '\w and \f scan'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0579
_diffrn_reflns_av_unetI/netI     0.0279
_diffrn_reflns_Laue_measured_fraction_full 0.998
_diffrn_reflns_Laue_measured_fraction_max 0.993
_diffrn_reflns_limit_h_max       14
_diffrn_reflns_limit_h_min       -14
_diffrn_reflns_limit_k_max       28
_diffrn_reflns_limit_k_min       -28
_diffrn_reflns_limit_l_max       17
_diffrn_reflns_limit_l_min       -17
_diffrn_reflns_number            91275
_diffrn_reflns_point_group_measured_fraction_full 0.998
_diffrn_reflns_point_group_measured_fraction_max 0.993
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         26.840
_diffrn_reflns_theta_min         3.101
_diffrn_source                   'fine-focus sealed tube'
_exptl_absorpt_coefficient_mu    2.837
_exptl_absorpt_correction_T_max  0.612
_exptl_absorpt_correction_T_min  0.210
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2004)'
_exptl_crystal_colour            Brown
_exptl_crystal_density_diffrn    1.640
_exptl_crystal_description       Block
_exptl_crystal_F_000             1768
_exptl_crystal_size_max          0.590
_exptl_crystal_size_mid          0.570
_exptl_crystal_size_min          0.170
_refine_diff_density_max         0.984
_refine_diff_density_min         -0.938
_refine_diff_density_rms         0.070
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.078
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     481
_refine_ls_number_reflns         7596
_refine_ls_number_restraints     1
_refine_ls_restrained_S_all      1.078
_refine_ls_R_factor_all          0.0643
_refine_ls_R_factor_gt           0.0468
_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^)+(0.0146P)^2^+7.3776P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0857
_refine_ls_wR_factor_ref         0.0921
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6031
_reflns_number_total             7648
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ce00875a2.cif
_cod_data_source_block           shelx_CCDC4
_cod_original_sg_symbol_H-M      'P 21/n'
_cod_database_code               7251349
_shelx_shelxl_version_number     2018/3
_shelx_estimated_absorpt_t_min   0.285
_shelx_estimated_absorpt_t_max   0.644
_shelx_res_checksum              43411