A family of mixed-ligand oxidovanadium(V) complexes with aroylhydrazone ligands: a combined experimental and computational study on the electronic effects of para substitutents of hydrazone ligands on the electronic properties, DNA binding and nuclease activities
Ghosh, Tapas; Patra, Debashis; Biswas, Nirmalendu; Kumari, Bhavini; Das, Prolay; Sepay, Nayim; Chatterjee, Shamba K.; Drew, Michael G. B.; RSC Adv.  (2015) –; doi:10.1039/C5RA17844D

data_7222990
_publ_section_title
;
 A family of mixed-ligand oxidovanadium(V) complexes with aroylhydrazone
 ligands: a combined experimental and computational study on the
 electronic effects of para substitutents of hydrazone ligands on the
 electronic properties, DNA binding and nuclease activities
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C5RA17844D
_journal_year                    2015
_chemical_formula_sum            'C25 H20 N3 O6 V'
_chemical_formula_weight         509.38
_space_group_IT_number           14
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-P 2ybc'
_symmetry_space_group_name_H-M   'P 1 21/c 1'
_atom_sites_solution_hydrogens   geom
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_audit_creation_method           SHELXL-97
_audit_update_record
;
2015-06-10 deposited with the CCDC.
2015-10-20 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 96.860(6)
_cell_angle_gamma                90.00
_cell_formula_units_Z            4
_cell_length_a                   7.668(3)
_cell_length_b                   14.153(6)
_cell_length_c                   21.853(10)
_cell_measurement_reflns_used    2751
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      27.61
_cell_measurement_theta_min      2.37
_cell_volume                     2354.6(17)
_computing_cell_refinement       'Bruker SAINT'
_computing_data_collection       'Bruker APEX2'
_computing_data_reduction        'Bruker SAINT'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 1.000
_diffrn_measured_fraction_theta_max 1.000
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       '\f and \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  0.1013
_diffrn_reflns_av_sigmaI/netI    0.0952
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_k_max       16
_diffrn_reflns_limit_k_min       -16
_diffrn_reflns_limit_l_max       25
_diffrn_reflns_limit_l_min       -25
_diffrn_reflns_number            15877
_diffrn_reflns_theta_full        25.00
_diffrn_reflns_theta_max         25.00
_diffrn_reflns_theta_min         1.72
_exptl_absorpt_coefficient_mu    0.468
_exptl_absorpt_correction_T_max  .928
_exptl_absorpt_correction_T_min  .911
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   SADABS
_exptl_crystal_colour            black
_exptl_crystal_density_diffrn    1.437
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       block
_exptl_crystal_F_000             1048
_exptl_crystal_size_max          .20
_exptl_crystal_size_mid          .18
_exptl_crystal_size_min          .16
_refine_diff_density_max         0.342
_refine_diff_density_min         -0.595
_refine_diff_density_rms         0.080
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   0.964
_refine_ls_hydrogen_treatment    constr
_refine_ls_matrix_type           full
_refine_ls_number_parameters     319
_refine_ls_number_reflns         4134
_refine_ls_number_restraints     0
_refine_ls_restrained_S_all      0.964
_refine_ls_R_factor_all          0.1241
_refine_ls_R_factor_gt           0.0662
_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^)+(0.0920P)^2^+0.0000P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1503
_refine_ls_wR_factor_ref         0.1767
_reflns_number_gt                2414
_reflns_number_total             4134
_reflns_threshold_expression     >2sigma(I)
_cod_data_source_file            c5ra17844d2.cif
_cod_data_source_block           3
_cod_depositor_comments
;
The following automatic conversions were performed:

'_symmetry_cell_setting' value 'Monoclinic' changed to 'monoclinic'
according to
/usr/data/users/saulius/crontab/automatic-downloads/rss-feeds/RSC/lib/dictionaries/cif_core.dic
dictionary named 'cif_core.dic' version 2.4.2 from 2011-04-26.

Automatic conversion script
Id: cif_fix_values 3271 2015-04-21 07:52:19Z andrius 
;
_cod_original_cell_volume        2354.5(18)
_cod_original_sg_symbol_H-M      'P2(1)/c  '
_cod_database_code               7222990