Heteroleptic enantiopure Pd(ii)-complexes derived from halogen-substituted Schiff bases and 2-picolylamine: synthesis, experimental and computational characterization and investigation of the influence of chirality and halogen atoms on the anticancer activity
Kordestani, Nazanin; Amiri Rudbari, Hadi; Correia, Isabel; Valente, Andreia; Côrte-Real, Leonor; Islam, Mohammad Khairul; Micale, Nicola; Braun, Jason D.; Herbert, David E.; Tumanov, Nikolay; Wouters, Johan; Enamullah, Mohammed; New Journal of Chemistry 45 (2021) 9163–9180; doi:10.1039/D1NJ01491A

data_7060581
_publ_section_title
;
 Heteroleptic enantiopure Pd(ii)-complexes derived from
 halogen-substituted Schiff bases and 2-picolylamine: synthesis,
 experimental and computational characterization and investigation of the
 influence of chirality and halogen atoms on the anticancer activity
;
_journal_issue                   20
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              9163
_journal_page_last               9180
_journal_paper_doi               10.1039/D1NJ01491A
_journal_volume                  45
_journal_year                    2021
_chemical_absolute_configuration ad
_chemical_formula_moiety         'C28 H20 Cl2 N O3'
_chemical_formula_sum            'C28 H20 Cl2 N O3'
_chemical_formula_weight         489.35
_space_group_crystal_system      orthorhombic
_space_group_IT_number           19
_space_group_name_Hall           'P 2ac 2ab'
_space_group_name_H-M_alt        'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   difmap
_audit_block_doi                 10.5517/ccdc.csd.cc24sbny
_audit_creation_method           SHELXL-2017/1
_audit_update_record
;
2020-03-11 deposited with the CCDC.	2021-04-16 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 90
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   5.53090(10)
_cell_length_b                   15.5653(3)
_cell_length_c                   27.3771(5)
_cell_measurement_reflns_used    9650
_cell_measurement_temperature    170(2)
_cell_measurement_theta_max      74.54
_cell_measurement_theta_min      3.23
_cell_volume                     2356.90(8)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX3'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-2017/1 (Sheldrick, 2017)'
_computing_structure_solution    'SHELXT (Sheldrick 2008)'
_diffrn_ambient_temperature      170(2)
_diffrn_measured_fraction_theta_full 0.996
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type  'Bruker D8 Photon II'
_diffrn_measurement_method       '\f and \w scans'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54178
_diffrn_reflns_av_R_equivalents  0.1001
_diffrn_reflns_av_unetI/netI     0.0500
_diffrn_reflns_Laue_measured_fraction_full 0.996
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       5
_diffrn_reflns_limit_h_min       -6
_diffrn_reflns_limit_k_max       19
_diffrn_reflns_limit_k_min       -19
_diffrn_reflns_limit_l_max       34
_diffrn_reflns_limit_l_min       -34
_diffrn_reflns_number            43902
_diffrn_reflns_point_group_measured_fraction_full 0.996
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         74.603
_diffrn_reflns_theta_min         3.228
_exptl_absorpt_coefficient_mu    2.732
_exptl_absorpt_correction_T_max  1.0000
_exptl_absorpt_correction_T_min  0.6957
_exptl_absorpt_correction_type   numerical
_exptl_absorpt_process_details   'SADABS (Sheldrick, 2008)'
_exptl_crystal_colour            colourless
_exptl_crystal_density_diffrn    1.379
_exptl_crystal_description       stick
_exptl_crystal_F_000             1012
_exptl_crystal_recrystallization_method
'Re-crystallisation from solvent: DCM, Toluene'
_exptl_crystal_size_max          0.257
_exptl_crystal_size_mid          0.027
_exptl_crystal_size_min          0.022
_refine_diff_density_max         0.362
_refine_diff_density_min         -0.458
_refine_diff_density_rms         0.086
_refine_ls_abs_structure_details
; 
 Flack x determined using 1640 quotients [(I+)-(I-)]/[(I+)+(I-)] 
 (Parsons, Flack and Wagner, Acta Cryst. B69 (2013) 249-259). 
;
_refine_ls_abs_structure_Flack   0.022(9)
_refine_ls_extinction_coef       0.0044(8)
_refine_ls_extinction_expression Fc^*^=kFc[1+0.001xFc^2^\l^3^/sin(2\q)]^-1/4^
_refine_ls_extinction_method     'SHELXL-2017/1 (Sheldrick 2017)'
_refine_ls_goodness_of_fit_ref   1.042
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     318
_refine_ls_number_reflns         4799
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.042
_refine_ls_R_factor_all          0.0710
_refine_ls_R_factor_gt           0.0599
_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^)+(0.1212P)^2^+0.0503P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1446
_refine_ls_wR_factor_ref         0.1625
_reflns_Friedel_coverage         0.721
_reflns_Friedel_fraction_full    0.995
_reflns_Friedel_fraction_max     0.996
_reflns_number_gt                4195
_reflns_number_total             4799
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            d1nj01491a2.cif
_cod_data_source_block           loy007
_cod_depositor_comments
'Adding full bibliography for 7060575--7060596.cif.'
_cod_database_code               7060581
_shelx_shelxl_version_number     2017/1
_shelx_estimated_absorpt_t_min   0.540
_shelx_estimated_absorpt_t_max   0.942
_shelx_res_checksum              71045