Oxidovanadium(V) complexes of aroylhydrazones incorporating heterocycles: Synthesis, characterization and study of DNA binding, photo-induced DNA cleavage and cytotoxic activities
Dash, Subhashree Priyadarsini; Panda, Alok K.; Pasayat, Sagarika; Dinda, Rupam; Biswas, Ashis; Tiekink, Edward R. T.; Mukhopadhyay, Subhadip; Bhutia, Sujit; Kaminsky, Werner; Sinn, Ekkehard; RSC Adv.  (2015) –; doi:10.1039/C4RA14369H

data_7220655
_publ_section_title
;
 Oxidovanadium(V) complexes of aroylhydrazones incorporating heterocycles:
 Synthesis, characterization and study of DNA binding, photo-induced DNA
 cleavage and cytotoxic activities
;
_journal_name_full               'RSC Adv.'
_journal_paper_doi               10.1039/C4RA14369H
_journal_year                    2015
_chemical_formula_moiety         'C20 H21 N2 O6 V1'
_chemical_formula_sum            'C20 H21 N2 O6 V'
_chemical_formula_weight         436.33
_space_group_IT_number           15
_symmetry_cell_setting           monoclinic
_symmetry_space_group_name_Hall  '-C 2yc'
_symmetry_space_group_name_H-M   'C 1 2/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
;
2014-06-06 deposited with the CCDC.
2015-06-02 downloaded from the CCDC.
;
_cell_angle_alpha                90.00
_cell_angle_beta                 98.017(5)
_cell_angle_gamma                90.00
_cell_formula_units_Z            16
_cell_length_a                   41.893(4)
_cell_length_b                   8.7854(10)
_cell_length_c                   21.729(2)
_cell_measurement_reflns_used    98
_cell_measurement_temperature    293(2)
_cell_measurement_theta_max      20
_cell_measurement_theta_min      3
_cell_volume                     7919.1(14)
_computing_cell_refinement       'SAINT (Bruker, 2007)'
_computing_data_collection       'APEX2 (Bruker, 2007)'
_computing_data_reduction        'SAINT (Bruker, 2007)'
_computing_molecular_graphics    'ORTEP-3 for Windows (Farrugia, 2012)'
_computing_publication_material  'SHELXL97 (Sheldrick, 1997)'
_computing_structure_refinement  'SHELXL97 (Sheldrick, 2008)'
_computing_structure_solution    'SHELXS97 (Sheldrick, 2008)'
_diffrn_ambient_temperature      293(2)
_diffrn_measured_fraction_theta_full 0.990
_diffrn_measured_fraction_theta_max 0.990
_diffrn_measurement_device_type  'Bruker APEXII CCD area-detector'
_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     0.71069
_diffrn_reflns_av_R_equivalents  0.1057
_diffrn_reflns_av_sigmaI/netI    0.0464
_diffrn_reflns_limit_h_max       50
_diffrn_reflns_limit_h_min       -50
_diffrn_reflns_limit_k_max       10
_diffrn_reflns_limit_k_min       -10
_diffrn_reflns_limit_l_max       26
_diffrn_reflns_limit_l_min       -26
_diffrn_reflns_number            114454
_diffrn_reflns_theta_full        25.64
_diffrn_reflns_theta_max         25.64
_diffrn_reflns_theta_min         1.89
_exptl_absorpt_coefficient_mu    0.541
_exptl_absorpt_correction_T_max  0.9840
_exptl_absorpt_correction_T_min  0.8127
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   'SADABS (Bruker, 2007)'
_exptl_crystal_colour            red
_exptl_crystal_density_diffrn    1.464
_exptl_crystal_density_method    'not measured'
_exptl_crystal_description       needle
_exptl_crystal_F_000             3616
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.07
_exptl_crystal_size_min          0.03
_refine_diff_density_max         0.652
_refine_diff_density_min         -0.394
_refine_diff_density_rms         0.058
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.026
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     554
_refine_ls_number_reflns         7421
_refine_ls_number_restraints     54
_refine_ls_restrained_S_all      1.026
_refine_ls_R_factor_all          0.0800
_refine_ls_R_factor_gt           0.0448
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details
'calc w=1/[\s^2^(Fo^2^)+(0.0524P)^2^+15.1241P] where P=(Fo^2^+2Fc^2^)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.1057
_refine_ls_wR_factor_ref         0.1298
_reflns_number_gt                5085
_reflns_number_total             7421
_reflns_threshold_expression     I>2\s(I)
_cod_data_source_file            c4ra14369h2.cif
_cod_data_source_block           4
_cod_original_cell_volume        7919.2(14)
_cod_original_sg_symbol_H-M      'C 2/c'
_cod_original_formula_sum        'C20 H21 N2 O6 V1'
_cod_database_code               7220655