Journal
PHYSICAL REVIEW LETTERS
Volume 106, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.106.238108
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Funding
- Engineering and Physical Sciences Research Council [EP/F037325/1] Funding Source: researchfish
- EPSRC [EP/F037325/1] Funding Source: UKRI
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We present a first-principles molecular dynamics study of an excess electron in condensed phase models of solvated DNA bases. Calculations on increasingly large microsolvated clusters taken from liquid phase simulations show that adiabatic electron affinities increase systematically upon solvation, as for optimized gas-phase geometries. Dynamical simulations after vertical attachment indicate that the excess electron, which is initially found delocalized, localizes around the nucleobases within a 15 fs time scale. This transition requires small rearrangements in the geometry of the bases.
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