Molecular Structures of Fluorobenzene ando-Difluorobenzene by Electron Diffraction

Comparison of Molecular Structures Determined by Electron Diffraction and Spectroscopy. Ethane and Diborane

Gas-phase average structures for the ground-vibrational state (1',) for ethane and diborane have been determined by a critical comparison of the experimental results obtained from electron diffraction (average internuclear distances ra) and those obtained from high-resolution infrared and Raman spectroscopy (rotational constants B.("'»). Experimental values have been taken from the recent liter...

Excited state molecular structures and reactions directly determined by ultrafast electron diffraction.

In this communication, we report on the use of ultrafast electron diffraction to determine structural dynamics of excited states and reaction products of isolated aromatic carbonyls, acetophenone and benzaldehyde. For a 266 nm excitation, a bifurcation of pathways is structurally resolved, one leading to the formation of the triplet state (quinoid structure) and another to chemical products: fo...

Solving difficult structures with electron diffraction

Precession electron diffraction has solved a long-standing challenge in electron diffraction. Further progress promises a general technique for structure determination of difficult crystals.

Electron Diffraction Electron Diffraction

This guide sheet outlines a method for the analysis of cubic crystal forms, this being useful to you for interpreting the transmission diffraction pattern produced by scattering electrons off a thin film target of polycrystalline aluminium. The apparatus also contains samples with hexagonal structures. These are pyrolytic graphite targets, and are available both as single crystals and in polycr...

Ultrafast Molecular Imaging by Laser Induced Electron Diffraction