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【12th.May】Chirality-Sensitive Spectroscopies of Non-Covalent Interactions

2017-05-11


TOPIC:Chirality-Sensitive Spectroscopies of Non-Covalent Interactions
SPEAKER:Prof.Yunjie Xu,Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada
TIME:May 12 (Friday)15:00pm 
LOCATION:Room 518, Chemistry A Building(化学A楼 518会议室)
INVITER:Prof.Shunai Che(车顺爱教授)
 
Abstract:
Our research program focuses on applying and developing new spectroscopic tools to determine chirality and to establish chirality recognition models at the molecular level. Our recent rotational spectroscopic studies of clusters of 2-fluoroethanol and trifluoroethanol, two common organic solvents, highlight the importance of bifurcated H-bonds and F···F attractive interactions and their decisive roles in conformational preference. We also apply vibrational circular dichroism and Raman optical activity to probe how chiral molecules interact with each other and with solvent molecules directly in solution. Recent examples on H-bonding, dihydrogen-bonding, and halogen-bonding will be discussed. Finally, a new instrument development on coupling mass spectrometry with IR laser spectroscopy will also be described. 
 
A brief biography


 
Yunjie Xu obtained her BSc in Chemistry and her supplementary BSc in Applied Mathematics from Xiamen U. and her PhD in Molecular Spectroscopy from UBC, Canada. After postdoctoral periods at the National Research Council in Ottawa and at U. of Alberta, she started her independent research career at the U. of Alberta in 2003 and quickly rose to full professor in 2010. She has been Tier I (Senior) Canada Research Chair in Chirality and Chirality Recognition since 2011. Her research focuses characterizing chirality and chiral recognition at the molecular level. Her group not only applies vibrational circular dichroism, Raman optical activity, and rotational spectroscopy but also develops new IR-mass spectrometry techniques to study chirality recognition processes and chirality transfer phenomena in the gas phase, in solution and at metal nanoparticles. She has published 133 refereed articles in leading scientific journals including Science, Angew. Chem. Int. Ed., J. Am. Chem. Soc., J. Phys. Chem. Lett. and Phys. Rev. Lett. Most recently, her work is selected as a Research Highlight in Nature Rev. Chem. She has received many awards and honors including 2014 International Dr. Barbara Mez-Starck Prize for outstanding contributions in the field of experimental structural chemistry and molecular physics, 2015 International Mercator Fellowship from Freiburg U., Germany, and 2016 Clara Benson Award from Canadian Society for Chemistry. 



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