Abstract
A new oxovanadium(IV) complex, [VO(sal-val)(phen)]CH3OHH2O (sal-val = Schiff base derived from salicylaldehyde and L-valine, phen = 1,10-phenanthroline), has been synthesized and characterized by elemental analysis, IR spectra, and single-crystal X-ray diffraction. This crystal belongs to monoclinic crystal system, C2/c space group with crystallographic data: a = 28.031(4) Å, b = 9.342(3) Å, c = 19.198(4) Å, β = 99.425(2)°, and Z = 8. The VIV was six-coordinate to form an octahedral geometry. In the crystal, intermolecular hydrogen bonding and π–π stacking formed the 1-D network. DNA-binding properties of this oxovanadium(IV) complex with calf-thymus DNA (CT-DNA) were investigated using UV, fluorescence, and circular dichroism spectra. The complex can bind to CT-DNA via intercalation.
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