Employment of pyridyl oximes and dioximes in zinc(II) chemistry: Synthesis, structural and spectroscopic characterization, and biological evaluation
Konstantis F. Konidaris; Maria Giouli; Catherine P. Raptopoulou; Vassilis Psycharis; Ioannis I. Verginadis; Anastasios Vasiliadis; Amalia S. Afendra; Spyridon Karkabounas; Evy Manessi-Zoupa; Theocharis C. Stamatatos; Inorganica Chimica Acta 396 (2013) 49–59; doi:10.1016/j.ica.2012.09.039

data_1512965
_publ_section_title
;
 Employment of pyridyl oximes and dioximes in zinc(II) chemistry:
 Synthesis, structural and spectroscopic characterization, and biological
 evaluation
;
_journal_name_full
;
Inorganica Chimica Acta
;
_journal_page_first              49
_journal_page_last               59
_journal_paper_doi               10.1016/j.ica.2012.09.039
_journal_volume                  396
_journal_year                    2013
_chemical_formula_sum            'C18 H22 N8 O10 Zn'
_chemical_formula_weight         575.81
_space_group_IT_number           19
_symmetry_cell_setting           orthorhombic
_symmetry_space_group_name_Hall  'P 2ac 2ab'
_symmetry_space_group_name_H-M   'P 21 21 21'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_cell_angle_alpha                90.00
_cell_angle_beta                 90.00
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.4582(2)
_cell_length_b                   7.4654(2)
_cell_length_c                   41.4496(12)
_cell_measurement_reflns_used    7870
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      71.96
_cell_measurement_theta_min      6.72
_cell_volume                     2307.85(11)
_computing_cell_refinement       'CrystalClear, Rigaku MSC, 2005'
_computing_data_collection       'CrystalClear, Rigaku MSC, 2005'
_computing_data_reduction        'CrystalClear, Rigaku MSC, 2005'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 1997)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 1997)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.935
_diffrn_measured_fraction_theta_max 0.935
_diffrn_measurement_device_type  'Rigaku R-AXIS SPIDER IPDS'
_diffrn_measurement_method       '\q scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           CuK\a
_diffrn_radiation_wavelength     1.54187
_diffrn_reflns_av_R_equivalents  0.0564
_diffrn_reflns_av_sigmaI/netI    0.0670
_diffrn_reflns_limit_h_max       8
_diffrn_reflns_limit_h_min       -8
_diffrn_reflns_limit_k_max       5
_diffrn_reflns_limit_k_min       -8
_diffrn_reflns_limit_l_max       42
_diffrn_reflns_limit_l_min       -48
_diffrn_reflns_number            8294
_diffrn_reflns_theta_full        64.99
_diffrn_reflns_theta_max         64.99
_diffrn_reflns_theta_min         6.74
_exptl_absorpt_coefficient_mu    2.140
_exptl_absorpt_correction_T_max  1.000
_exptl_absorpt_correction_T_min  0.620
_exptl_absorpt_correction_type   empirical
_exptl_absorpt_process_details   'CrystalClear, Rigaku MSC, 2005'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.657
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       parallelepiped
_exptl_crystal_F_000             1184
_exptl_crystal_size_max          0.28
_exptl_crystal_size_mid          0.28
_exptl_crystal_size_min          0.02
_refine_diff_density_max         1.032
_refine_diff_density_min         -0.980
_refine_diff_density_rms         0.106
_refine_ls_abs_structure_details 'Flack H D (1983), Acta Cryst. A39, 876-881'
_refine_ls_abs_structure_Flack   -0.04(10)
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.158
_refine_ls_hydrogen_treatment    refall
_refine_ls_matrix_type           full
_refine_ls_number_parameters     335
_refine_ls_number_reflns         3480
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.158
_refine_ls_R_factor_all          0.0970
_refine_ls_R_factor_gt           0.0833
_refine_ls_shift/su_max          0.001
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0895P)^2^+8.7805P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.2051
_refine_ls_wR_factor_ref         0.2261
_reflns_number_gt                2971
_reflns_number_total             3480
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            ICA-2013-396-49-59-1.cif
_cod_data_source_block           pekk205
_cod_original_sg_symbol_H-M      P2(1)2(1)2(1)
_cod_database_code               1512965