Abstract
The interaction between a C-60 molecule with methanol, the main
composition of the currently employed pressure transmitting fluid was
studied. The simulations include C-60 under hydrostatic or uniaxial
pressure interacting with methanol. The relaxed structure as well as the
binding energies and the electronic density of states were obtained. The
analysis of binding energy indicates that the methanol molecule is
attracted to C-60 under hydrostatic pressure, while repulsed if the
pressure is uniaxial. The results establish that the mechanisms of
interaction between this nanometer scale system and the medium may
change during the compression. Density of states results indicate severe
changes in the Raman spectrum of the system under compression. (C) 2007
WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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