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Vibrational Circular Dichroism

Vibrational Circular Dichroism

Paperback

Geometry

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ISBN10: 6131280401
ISBN13: 9786131280405
Publisher: Vdm Verlag Dr Mller Ag & Co Kg
Pages: 110
Weight: 0.38
Height: 0.26 Width: 9.02 Depth: 6.00
Language: English
High Quality Content by WIKIPEDIA articles! Vibrational circular dichroism (VCD) is a spectroscopic technique which detects differences in attenuation of left and right circularly polarized light passing through a sample. It is basically circular dichroism spectroscopy in the infrared and near infrared ranges. Because VCD is sensitive to the mutual orientation of distinct groups in a molecule, it provides three-dimensional structural information. Thus, it is a powerful technique as VCD spectra of enantiomers can be simulated using ab initio calculations, thereby allowing the identification of absolute configurations of small molecules in solution from VCD spectra. Among such quantum computations of VCD spectra resulting from the chiral properties of small organic molecules are those based on density functional theory (DFT) and gauge-invariant atomic orbitals (GIAO). As a simple example of the experimental results that were obtained by VCD are the spectral data obtained within the carbon-hydrogen (C-H) stretching region of 21 amino acids in heavy water solutions.

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