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Frédéric Poineau, Massoud Fattahi, Bernd Grambow

Correlation between X-ray chemical shift and partial charge in Tc(IV) complexes: Determination of Tc partial charge in Tc_nO_y^(4n-2y)+

Keywords: Technetium, XAS, Polymer, Partial charge

The chemical shift of the X-ray absorption K-edge of Tc(IV) complexes determined by X-ray Absorption Spectroscopy (XAS) measurement was studied. A correlation between edge position (ΔE) and partial charge on Tc atoms (δ_Tc) was determined. This correlation was used to determinate δ_Tc in Tc_nO_y^(4n-2y)+. Furthermore, a theoretical relation between δ_Tc and the charge of Tc_nO_y^(4n-2y)+, was also established and the overall charge of this complex was estimated.

Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Print ISSN: 0033-8230
Volume: 94, 09/2006
Pages: 559 - 563

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