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Yunjie Xu 教授 講演会

イベント日 : 2011年05月18日

Spectroscopy of chiral molecules: from the gas phase to solution

 

Yunjie Xu 教授 (University of Alberta, Edmonton, AB, Canada)

 

場所: コラボレーション棟2階講習室

日時: 5月18日(水)午後4:10-4:50

 

要旨

A series of high resolution spectroscopic studies of small chiral molecular adducts and low resolution infrared multiphoton dissociation studies of protonated serine clusters will be presented. Using the experimentally spectral signatures, complemented with the ab initio calculations, we examine the chiral discriminating forces at play in these molecular systems. I will also discuss our two-pronged approach to study the effects of solvent- solute hydrogen-bonding on chiroptical measurements using both high resolution spectroscopy and vibrational circular dichroism (VCD) spectroscopy. We observed that some vibrational bands of an achiral molecule, such as water, can show significant VCD strength through hydrogen-bonding to a chiral molecule. This effect, termed chirality transfer, will be discussed.

 

連絡先: 化学・川口建太郎 7848

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