Abstract
The compound of the general formula: [Co(C7H8N4O2)2(H2O)4] has been prepared and characterized by X-ray diffraction analysis, UV–visible and infrared spectroscopy (FTIR), 1H, 13C NMR and thermal analyses (TGA and DTA).The complex was crystallized in the monoclinic system (P 21/c). The unit cell parameters are a = 7.6304 (3) Å, b = 13.1897 (6) Å, c = 9.6670 (4) Å, β = 104.9744 (17)° and V = 939.87 (7) Å3.The cobalt ions are pseudo-octahedrally coordinated by two theophyllinato ligands with CoN distance is 2.1847 Å, and four coordinated water with CoO distances included between 2.0756 and 2.1022 Å. The three-dimensional network stabilized by the intermolecular hydrogen bonds (OH⋯O and OH⋯N) which incorporated R42 (8) and R22 (18) graph-set motifs. The fingerprint plots associated with the Hirshfeld surface clearly display each significant interaction involved in the structure, by quantifying them in an effective visual manner. Additionally, the molecular docking studies between the tumour suppressor protein p53 with the cobalt complexes. The results of molecular docking show that the complex has a good affinity complex-P53 (docking score = 7.19).
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