Abstract

The magnetic vibrational circular dichroism spectra of C 60 fullerene in solution are presented for excitation of the 1430 and 1183 cm −l t t1u -symmetry fundamental vibrations. These transitions give rise to A-term MVCD of opposite sign ( A 1 / D 0 =−3.8 and l.1 × 10 −4 , respectively) which are similar in magnitude to that of benzene. Using the MCD spectra for the two lowest-energy 1 T 1u electronic excitations of C 60 , the single excited-state vibronic coupling model correctly predicts the sign of one of the MVCD bands but underestimates both magnitudes.

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