Infrared Absorption in Single Crystals of (ET)2C60 Grown from CS2 Solution
N.G. Spitsina, V.N. Semkin and A. Graja
Institute of Molecular Physics, Polish Academy of Sciences, Smoluchowskiego 17, 60-179 Poznań, Poland
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Fourier transform IR absorption spectra of single crystals of the (ET)2C60 complex grown from the CS2 solution as well as its components: C60 and ET, also grown from CS2 solution, are presented and discussed. It is shown that the rotation of C60 is strongly hindered and ET molecules are bent in the crystal structure of the complex. The arguments for the domi­nation of the van der Waals interactions are given.
DOI: 10.12693/APhysPolA.87.869
PACS numbers: 33.20.Ea, 63.20.Dj