Bis(picolinato) complexes of vanadium and zinc as potential antidiabetic agents: synthesis, structural elucidation and in vitro insulin-mimetic activity study
Koleša Dobravc, Tanja; Maejima, Keiichi; Yoshikawa, Yutaka; Meden, Anton; Yasui, Hiroyuki; Perdih, Franc; New Journal of Chemistry 42 (2018) 3619–3632; doi:10.1039/C7NJ04189F

data_7056952
_publ_section_title
;
 Bis(picolinato) complexes of vanadium and zinc as potential antidiabetic
 agents: synthesis, structural elucidation and in vitro insulin-mimetic
 activity study
;
_journal_issue                   5
_journal_name_full               'New Journal of Chemistry'
_journal_page_first              3619
_journal_page_last               3632
_journal_paper_doi               10.1039/C7NJ04189F
_journal_volume                  42
_journal_year                    2018
_chemical_formula_moiety         'C22 H14 F4 N4 O4 Zn, C5 H5 N'
_chemical_formula_sum            'C27 H19 F4 N5 O4 Zn'
_chemical_formula_weight         618.84
_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
;
2017-09-12 deposited with the CCDC.
2018-01-24 downloaded from the CCDC.
;
_cell_angle_alpha                90
_cell_angle_beta                 106.0220(10)
_cell_angle_gamma                90
_cell_formula_units_Z            4
_cell_length_a                   18.0287(4)
_cell_length_b                   10.3166(2)
_cell_length_c                   14.9805(3)
_cell_measurement_reflns_used    6449
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.48
_cell_measurement_theta_min      2.55
_cell_volume                     2678.06(10)
_computing_cell_refinement       'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_data_collection       'KappaCCD Reference Manual (Nonius, 1998)'
_computing_data_reduction        'DENZO-SMN (Otwinowski & Minor, 1997)'
_computing_molecular_graphics
'ORTEP-3 for Windows version 2.02 (Farrugia, 2008)'
_computing_publication_material  'WinGX publication routines (Farrugia, 1999)'
_computing_structure_refinement  'SHELXL-2014/7 (Sheldrick, 2015)'
_computing_structure_solution    'SIR97 (altomate et al., 1999)'
_diffrn_ambient_temperature      293(2)
_diffrn_detector_area_resol_mean 0.055
_diffrn_measured_fraction_theta_full 0.995
_diffrn_measured_fraction_theta_max 0.996
_diffrn_measurement_device_type
;
Nonius KappaCCD area-detector diffractometer
;
_diffrn_measurement_method       '\w scans'
_diffrn_radiation_monochromator  graphite
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_type           MoK\a
_diffrn_radiation_wavelength     0.71073
_diffrn_reflns_av_R_equivalents  0.0218
_diffrn_reflns_av_unetI/netI     0.0327
_diffrn_reflns_Laue_measured_fraction_full 0.995
_diffrn_reflns_Laue_measured_fraction_max 0.996
_diffrn_reflns_limit_h_max       23
_diffrn_reflns_limit_h_min       -23
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_l_max       19
_diffrn_reflns_limit_l_min       -18
_diffrn_reflns_number            11360
_diffrn_reflns_point_group_measured_fraction_full 0.995
_diffrn_reflns_point_group_measured_fraction_max 0.996
_diffrn_reflns_theta_full        25.242
_diffrn_reflns_theta_max         27.480
_diffrn_reflns_theta_min         2.863
_exptl_absorpt_coefficient_mu    0.988
_exptl_absorpt_correction_T_max  0.8823
_exptl_absorpt_correction_T_min  0.6933
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SCALEPACK (Otwinowski & Minor, 1997)'
_exptl_crystal_colour            colorless
_exptl_crystal_density_diffrn    1.535
_exptl_crystal_description       prism
_exptl_crystal_F_000             1256
_exptl_crystal_size_max          0.400
_exptl_crystal_size_mid          0.380
_exptl_crystal_size_min          0.130
_refine_diff_density_max         0.310
_refine_diff_density_min         -0.424
_refine_diff_density_rms         0.048
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.020
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     370
_refine_ls_number_reflns         6124
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      1.020
_refine_ls_R_factor_all          0.0685
_refine_ls_R_factor_gt           0.0420
_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^)+(0.0595P)^2^+0.8215P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1038
_refine_ls_wR_factor_ref         0.1180
_reflns_Friedel_coverage         0.000
_reflns_number_gt                4321
_reflns_number_total             6124
_reflns_threshold_expression     'I > 2\s(I)'
_cod_data_source_file            c7nj04189f2.cif
_cod_data_source_block           6
_cod_database_code               7056952
_shelx_shelxl_version_number     2014/7
_shelx_estimated_absorpt_t_min   0.693
_shelx_estimated_absorpt_t_max   0.882
_shelx_res_checksum              3040