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Nelson AG, Rak Z, Albrecht-Schmitt TE, et al. Three new silver uranyl diphosphonates: structures and properties. Inorg Chem. 2014;53(6):2787-96doi: 10.1021/ic401897n.
Nelson, A. G., Rak, Z., Albrecht-Schmitt, T. E., Becker, U., & Ewing, R. C. (2014). Three new silver uranyl diphosphonates: structures and properties. Inorganic chemistry, 53(6), 2787-96. https://doi.org/10.1021/ic401897n
Nelson, Anna-Gay D, et al. "Three new silver uranyl diphosphonates: structures and properties." Inorganic chemistry vol. 53,6 (2014): 2787-96. doi: https://doi.org/10.1021/ic401897n
Nelson AG, Rak Z, Albrecht-Schmitt TE, Becker U, Ewing RC. Three new silver uranyl diphosphonates: structures and properties. Inorg Chem. 2014 Mar 17;53(6):2787-96. doi: 10.1021/ic401897n. Epub 2014 Feb 13. PMID: 24524249.
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Inorg Chem. 2014 Mar 17;53(6):2787-96. doi: 10.1021/ic401897n. Epub 2014 Feb 13.

Three new silver uranyl diphosphonates: structures and properties.

Inorganic chemistry

Anna-Gay D Nelson, Zsolt Rak, Thomas E Albrecht-Schmitt, Udo Becker, Rodney C Ewing

Affiliations

  1. Department of Earth & Environmental Sciences, University of Michigan , Ann Arbor, Michigan 48109-1005, United States.

PMID: 24524249 DOI: 10.1021/ic401897n

Abstract

The hydrothermal reaction of uranium trioxide and methylenediphosphonic acid in the presence of silver nitrate resulted in the formation of three new uranyl coordination polymers: AgUO2[CH2(PO3)(PO3H)] (Ag-1), [Ag2(H2O)1.5]{(UO2)2[CH2(PO3)2]F2}·(H2O)0.5 (Ag-2), and Ag2UO2[CH2(PO3)2] (Ag-3). All consist of uranyl pentagonal bipyramids that form two-dimensional layered structures. Ag-1 and Ag-3 possess the same structural building unit, but the structures are different; Ag-3 is formed through edge-sharing of F atoms to form UO5F2 dimers. The pH and silver cation have significant effects on the structure that is synthesized. Raman spectra of single crystals of Ag-1, Ag-2, and Ag-3 reveal v1 UO2(2+) symmetric stretches of 816 and 829, 822, and 802 cm(-1), respectively. Electronic structure calculations were performed using the projector augmented wave (PAW) method with density functional theory (DFT) to gain insight into the nature of bonding and electronic characteristics of the synthesized compounds. Herein, we report the syntheses, crystal structures, Raman spectroscopy, and luminescent behavior of these three compounds.

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