Publication

Conformational-Analysis of Alpha-Methoxyketones - a Photoelectron Spectroscopic Investigation of 3-Methoxybicyclo[2.2.1]Heptan-2-Ones

Pierre Vogel
1992
Journal Articles

Abstract

The photoelectron spectra of 3-endo-(2), of 3-exo-methoxybicyclo[2.2.1]heptan-2-one (3) and of 2-endo,3-endo-dimethoxybicyclo[2.2.1]heptane (4) are analyzed in comparison with data reported for other analogous systems and with predictions based on quantum mechanical calculations. In 2, the ''homo-gauche'' conformer (2G) is more stable than the ''homo-anti'' conformer (2A) whereas in 3, the ''homo-anti'' conformer (3A) is slightly more stable than the corresponding ''homo-gauche'' rotamer (3G).

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https://infoscience.epfl.ch/entities/publication/bed2152e-a00c-449f-be87-09889286f8bf

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Pierre Vogel
1992
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/bed2152e-a00c-449f-be87-09889286f8bf

About this result

Related concepts (25)

Conformational isomerism

In chemistry, conformational isomerism is a form of stereoisomerism in which the isomers can be interconverted just by rotations about formally single bonds (refer to figure on single bond rotation). While any two arrangements of atoms in a molecule that differ by rotation about single bonds can be referred to as different conformations, conformations that correspond to local minima on the potential energy surface are specifically called conformational isomers or conformers.

Spectroscopy

Spectroscopy is the field of study that measures and interprets the electromagnetic spectra that result from the interaction between electromagnetic radiation and matter as a function of the wavelength or frequency of the radiation. Matter waves and acoustic waves can also be considered forms of radiative energy, and recently gravitational waves have been associated with a spectral signature in the context of the Laser Interferometer Gravitational-Wave Observatory (LIGO).

X-ray photoelectron spectroscopy

X-ray photoelectron spectroscopy (XPS) is a surface-sensitive quantitative spectroscopic technique based on the photoelectric effect that can identify the elements that exist within a material (elemental composition) or are covering its surface, as well as their chemical state, and the overall electronic structure and density of the electronic states in the material. XPS is a powerful measurement technique because it not only shows what elements are present, but also what other elements they are bonded to.

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Conformational-Analysis of Alpha-Methoxyketones - a Photoelectron Spectroscopic Investigation of 3-Methoxybicyclo[2.2.1]Heptan-2-Ones

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