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_7251346
_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 H24 Br2 N8 Ni O2, 0.146(C2 H3 N), H1.42 O0.71'
_chemical_formula_sum            'C36.29 H25.85 Br2 N8.15 Ni O2.71'
_chemical_formula_weight         837.90
_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
_atom_sites_solution_primary     difrect
_audit_creation_method           SHELXL-2019/3
_audit_update_record
;
2025-07-21 deposited with the CCDC.	2025-11-26 downloaded from the CCDC.
;
_cell_angle_alpha                71.199(2)
_cell_angle_beta                 80.710(2)
_cell_angle_gamma                68.420(2)
_cell_formula_units_Z            2
_cell_length_a                   10.3827(2)
_cell_length_b                   13.1468(3)
_cell_length_c                   13.8220(3)
_cell_measurement_reflns_used    10328
_cell_measurement_temperature    150(2)
_cell_measurement_theta_max      30.9590
_cell_measurement_theta_min      1.9700
_cell_volume                     1658.86(7)
_computing_cell_refinement       'CrysAlisPro 1.171.43.106a (Rigaku OD, 2024)'
_computing_data_collection       'CrysAlisPro 1.171.43.106a (Rigaku OD, 2024)'
_computing_data_reduction        'CrysAlisPro 1.171.43.106a (Rigaku OD, 2024)'
_computing_molecular_graphics
'ORTEP3 (Farrugia, 1997) and Mercury (Bruno et al., 2002)'
_computing_publication_material  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL-2019/3 (Sheldrick, 2019)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_diffrn_ambient_temperature      150(2)
_diffrn_detector_area_resol_mean 10.0000
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 0.804
_diffrn_measurement_device_type
'XtaLAB Synergy, Single source at home/near, HyPix'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0421
_diffrn_reflns_av_unetI/netI     0.0502
_diffrn_reflns_Laue_measured_fraction_full 1.000
_diffrn_reflns_Laue_measured_fraction_max 0.804
_diffrn_reflns_limit_h_max       15
_diffrn_reflns_limit_h_min       -15
_diffrn_reflns_limit_k_max       18
_diffrn_reflns_limit_k_min       -18
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -19
_diffrn_reflns_number            26953
_diffrn_reflns_point_group_measured_fraction_full 1.000
_diffrn_reflns_point_group_measured_fraction_max 0.804
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         30.898
_diffrn_reflns_theta_min         1.739
_diffrn_source                   'micro-focus sealed X-ray tube'
_exptl_absorpt_coefficient_mu    3.044
_exptl_absorpt_correction_T_max  0.602
_exptl_absorpt_correction_T_min  0.437
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details
;
CrysAlisPro 1.171.43.106a (Rigaku Oxford Diffraction, 2024)
Empirical absorption correction using spherical harmonics,
implemented in SCALE3 ABSPACK scaling algorithm.
;
_exptl_crystal_colour            orange
_exptl_crystal_density_diffrn    1.678
_exptl_crystal_description       block
_exptl_crystal_F_000             841
_exptl_crystal_size_max          0.32
_exptl_crystal_size_mid          0.24
_exptl_crystal_size_min          0.22
_refine_diff_density_max         1.062
_refine_diff_density_min         -1.083
_refine_diff_density_rms         0.088
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.056
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     493
_refine_ls_number_reflns         8418
_refine_ls_number_restraints     44
_refine_ls_restrained_S_all      1.054
_refine_ls_R_factor_all          0.0564
_refine_ls_R_factor_gt           0.0378
_refine_ls_shift/su_max          0.003
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'w=1/[\s^2^(Fo^2^)+(0.0394P)^2^+0.7384P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0850
_refine_ls_wR_factor_ref         0.0905
_reflns_Friedel_coverage         0.000
_reflns_number_gt                6550
_reflns_number_total             10464
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d5ce00875a2.cif
_cod_data_source_block           shelx_CCDC1
_cod_database_code               7251346
_shelx_shelxl_version_number     2019/3
_shelx_res_checksum              13920