Energetics of the hole transfer in DNA duplex oligomers

We estimate the geometry relaxation of the base pairs within the (A-T)n and (G-C)n oligomers (n =ł1-6) due to their oxidation. A decrease of the inner-sphere reorganization energy with increasing n was observed. The maximum degree of geometry relaxation is found to be located close to the oligomer center for n ⩽ 4.