Theoretical Studies of Novel Carbon Clusters

Details Theoretical Studies of Novel Carbon Clusters Theoretical Studies of Novel Carbon Clusters

May 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aps..dmp..dp28r&link_type=abstract

American Physical Society, DAMOP Meeting, 27-30 May 1998 Santa Fe, New Mexico, abstract #DP.28

Astronomy and Astrophysics

Astrophysics

Scientific paper

Recently, the two cyclic carbon clusters C6 and C8 were identified in matrix isolation experiments using FTIR spectroscopy in our laboratory. We will here review these experimental results along with the accompanying theoretical analysis based on ab initio calculations. In analogy with the linear species, cyclic clusters may exist in carbon rich astrophysical environments, e.g. in evolved stellar atmospheres or in molecular clouds. In neither case do the clusters exhibit a permanent dipole moment and are therefore not susceptible to radio astronomical detection. As is the case for linear carbon chains, the cyclic clusters are, however, likely to form new more complex clusters, exhibiting permanent dipole moments, by the attachment of atoms, chains, or groups. Here we present new theoretical studies, using a variety of techniques, of such clusters based on the C6 and C8 rings.

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