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An artistic illustration of HHG probing of vibration/electronic dynamics in N2O4 (the cover of Science). Vibrating molecules of N2O4 emit a bright burst of X-rays when their N-N bond is extended (peak), but only a few X-rays when this bond is compressed (valley). (Left) Electron cloud structures (orbitals) when the N-N bond is compressed. (Right) Orbitals when this bond is stretched.
CHM 5550 Physical Chemistry Laboratory, 2 Credit hours W2016