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Magnetism of fullerene C60 was studied by three methods of the densityfunctional theory (DFT) calculation, laboratory experiment and astronomicalobservation. DFT revealed that the most stable spin state was non-magnetic oneof Sz=0/2. This is contrary to our recent study on void induced graphenemolecules of C23 and C53 to be magnetic one of Sz=2/2. Two graphene moleculescombined model suggested that two up-spin at every carbon pentagon ring maycancel each other to bring Sz=0/2. Similar cancelation may occur on C60.Molecular vibrational infrared spectrum of C60 show four major bands, whichcoincide with gas-phase laboratory experiment, also with astronomicallyobserved one of carbon rich planetary nebula Tc1 and Lin49. However, thereremain many unidentified bands on astronomical one. We supposed multiple voidson graphene sheet, which may create both C60 and complex graphene molecules. Itwas revealed that spectrum of two voids induced graphene molecule coincidentwell with major astronomical bands. Simple sum of C60 and graphene moleculescould successfully reproduce astronomical bands in detail.

Magnetism of Fullerene C60 Compared with Graphene Molecule by DFT Calculation, Laboratory Experiment and Astronomical Observation