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SUMMARY:Femtosecond X-ray Scattering as a Spatiotemporal Probe of Chemical
  Reactions in Isolated Molecules
DTSTART:20151028T140000
DTEND:20151028T150000
DTSTAMP:20260916T055712Z
UID:b8c4c03a436962fe6809334f39b3d99a98606d2aa079e2a9b520334e
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr James Budarz\, Brown University\nIn order to relate our un
 derstanding of electronic surfaces to structural dynamics of isolated mole
 cules\, a full observation of electronic and nuclear motions during reacti
 ons is necessary.  Within the last two years\, experiments at the Linac C
 oherent Light Source (LCLS) have allowed us to develop and implement an ex
 periment wherein the ultrafast reaction dynamics of molecules in dilute ga
 ses is captured by time-resolved X-ray scattering.  In this experiment\, 
 1\,3-cyclohexadiene is prepared in an excited electronic state\, which cau
 ses the molecule to accelerate down several potential energy surfaces coup
 led by conical intersections to open into 1\,3\,5-hexatriene within 80 fs\
 , from which the structure continues to move toward its lowest energy conf
 ormer.\nM. P. Minitti*\, J. M. Budarz*\, A. Kirrander\, J. S. Robinson\, D
 . Ratner\, T. J. Lane\, D. Zhu\, J. M. Glownia\, M. Kozina\, H. T. Lemke\,
  M. Sikorski\, Y. Feng\, S. Nelson\, K. Saita\, B. Stankus\, T. Northey\, 
 J. B. Hastings\, P. M. Weber\, Imaging Molecular Motion: Femtosecond X-Ray
  Scattering of an Electrocyclic Chemical Reaction. Physical Review Letters
  2015\, 114\, 255501
LOCATION:CH G1 495 https://plan.epfl.ch/?room==CH%20G1%20495
STATUS:CONFIRMED
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