Abstract
The kinetics of pressure-induced dimerization of fullerite C 60 at 1.5 GPa in the 373–473 K temperature interval was studied by X-ray diffraction, infrared and Raman spectroscopy. Kinetic curves of the dimerization reaction in the fcc and sc phases of C 60 were obtained by monitoring the dimeric (C 60) 2 IR line at 796 cm −1. The value of the dimerization activation energy was determined to be E a( dim) =134±6 kJ mol −1 , assuming the second order irreversible reaction. The peculiarities of the dimerization processes in the fcc and sc phases of C 60 fullerite are also discussed.
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