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PROGRESS ON THE INFRARED SPECTROSCOPY OF DIAMONDOIDS AND THEIR ASTROPHYSICAL APPLICATION

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/30960

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Title: PROGRESS ON THE INFRARED SPECTROSCOPY OF DIAMONDOIDS AND THEIR ASTROPHYSICAL APPLICATION
Creators: Pirali, O.; Oomens, Jos; Polfer, Nick C.; Ueno, Y.; Maboudian, R.; May, P.; Filik, J.; Dahl, J.; Liu, S.; Carlson, B.
Issue Date: 2006
Abstract: In the continuous effort for the unambiguous assignment of large carbonaceous species, we will present our recent laboratory observations concerning the infrared spectra of higher diamondoids (molecules consisting of diamond-like carbon cages) obtained by using various spectroscopic techniques. Increasing the size of the sample from adamantane (C$_{10}$H$_{16}$) to diamantane (C$_{14}$H$_{20}$), triamantane (C$_{18}$H$_{24}$), etc, corresponds to an addition of a cage C$_4$H$_4$ entity. Beyond its very interesting spectroscopic interest (due to the high symmetry of the systems studied here), this family of compounds which has been found in meteorites}, also display a strong vibrational transition around 3.5 microns, thereby providing a convincing agreement with observed interstellar emission bands}. We will discuss in this communication the spectroscopic analysis of our different spectra as well as our search for the possible occurrence of these compounds in several astrophysical observations.
URI: http://hdl.handle.net/1811/30960
Other Identifiers: 2006-RC-09
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