Abstract
Emission (57Co) Mössbauer spectra of the aspartic acid—57CoCl2 system were measured at T = 80 K in frozen aqueous solution and in the form of a dried residue of this solution. The Mössbauer spectra, besides a weak contribution from after-effects, showed two Fe2 + /Co2 + components which were ascribed to octahedrally and tetrahedrally coordinated 57CoII microenvironments in the Asp–cobalt(II) complex. This dual coordination mode may be due to the involvement of the second terminal carboxylic group of aspartic acid in the coordination sphere of Co.
The material was originally presented at the International Conference on the Applications of the Mössbauer Effect (ICAME 2011), 25–30 September 2011, Kobe, Japan.
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Kamnev, A.A., Tugarova, A.V., Kovács, K., Homonnay, Z., Kuzmann, E., Vértes, A. (2013). Aspartic acid interaction with cobalt(II) in dilute aqueous solution: A 57Co emission Mössbauer spectroscopic study. In: Yoshida, Y. (eds) ICAME 2011. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4762-3_66
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DOI: https://doi.org/10.1007/978-94-007-4762-3_66
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-007-4761-6
Online ISBN: 978-94-007-4762-3
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