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Polarized XANES Elucidate Femtosecond Bond Elongation

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Abstract

Ultrafast x-ray and UV-visible transient absorption spectroscopies characterize the excited state structural relaxation in vitamin B12. Polarized XANES separates in-plane and out-of-plane contributions. These contributions show discrete relaxation of axial, then equatorial ligands.

© 2017 Optical Society of America

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