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  • Endohedral complexes of fullerene C60 with small convalent molecules (H2O, NH3, H2, 2H2, 3H2, 4H2, O2, O3) in the context of potential drug transporter system.

Endohedral complexes of fullerene C60 with small convalent molecules (H2O, NH3, H2, 2H2, 3H2, 4H2, O2, O3) in the context of potential drug transporter system.

Acta poloniae pharmaceutica (2013-08-08)
Marzena Medrek, Franciszek Pluciński, Aleksander P Mazurek
ABSTRACT

The fullerene C60 has chemical properties which seem to predestinate it to be effective transporter of drugs in biological system. To prove this, the DFT/B3LYP (6-31G*) calculations were performed especially in order to determine the structures and energies of the inclusion complexes of C60 with small molecules. It was found that the small molecule is more compact when it is located in the centre of the C60 cage than as isolated molecule. The calculated inclusion energies in case of: H2O, NH3, O2, O3, H2, 2H2, 3H2, 4H2 are: 1.84, 3.81, 3.75, 21.07, 1.97, 20.10, 47.78 and 77.54 kcal/mol, respectively. The charge transfer and the influence of the complexed small molecules on the electrostatic potential distribution inside and outside of the C60 cavity are discussed.

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