Uranyl carboxyphosphonates that incorporate Cd(II)

Alsobrook, A. N., Alekseev, E. V., Depmeier, W. and Albrecht-Schmitt, T. E. (2011) Uranyl carboxyphosphonates that incorporate Cd(II) Journal of Solid State Chemistry, 184 (5). pp. 1195-1200. DOI 10.1016/j.jssc.2011.03.026.

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Supplementary data:


The hydrothermal treatment of UO(3), Cd(CH(3)CO(2))(2) center dot 2H(2)O, and triethyl phosphonoacetate results in the formation of Cd(2)[(UO(2))(6)(PO(3)CH(2)CO(2))(3)O(3)(OH)(H(2)O)(2)] center dot 16H(2)O (CdUPAA-1), [Cd(3)(UO(2))(6)(PO(3)CH(2)CO(2))(6) (H(2)O)(13)] center dot 6H(2)O (CdUPAA-2), and Cd(H(2)O)(2)[(UO(2))(PO(3)CH(2)CO(2))(H(2)O)](2) (CdUPAA-3). CdUPAA-1 adopts a cubic three-dimensional structure constructed from planar uranyl oxide clusters containing both UO(7) pentagonal bipyramids and UO(8) hexagonal bipyramids that are linked by Cd(II) cations and phosphonoacetate to yield large cavities approximately 16 angstrom across that are filled with disordered water molecules. CdUPAA-2 forms a rhombohedral three-dimensional channel structure that is assembled from UO(7) pentagonal bipyramids that are bridged by phosphonoacetate. CdUPAA-3 is layered with the hydrated Cd(II) cations incorporated directly into the layers linking one-dimensional uranyl phosphonate substructures together. In this structure, there are complex networks of hydrogen bonds that exist within the sheets, and also stitch the sheets together. (C) 2011 Elsevier Inc. All rights reserved.

Document Type: Article
Keywords: Uranyl carboxyphosphonates Phosphonates Porous structures Metal-organic frameworks ion-exchange properties bond-valence parameters 3-dimensional framework uranium(vi) carboxyphosphonates hydrothermal syntheses crystal-chemistry phosphate coordination bipyramids fluorides
Research affiliation: Kiel University
Refereed: Yes
DOI etc.: 10.1016/j.jssc.2011.03.026
ISSN: 0022-4596
Date Deposited: 15 Dec 2011 05:16
Last Modified: 28 Mar 2018 10:22
URI: http://eprints.uni-kiel.de/id/eprint/15606

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