Cubic and rhombohedral heterobimetallic networks constructed from uranium, transition metals, and phosphonoacetate: new methods for constructing porous materials

Four heterobimetallic U(vi)/M(ii) (M = Mn, Co, Cd) carboxyphosphonates have been synthesized. M(2)[(UO(2))(6)(PO(3)CH(2)CO(2))(3)O(3)(OH)(H(2)O)(2)]·16H(2)O (M = Mn(ii), Co(ii), and Cd(ii)) adopt cubic three-dimensional network structures with large cavities approximately 16 Å in diameter that are f...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2010-12, Vol.46 (48), p.9167-9169
Main Authors: Alsobrook, Andrea N, Hauser, Brad G, Hupp, Joseph T, Alekseev, Evgeny V, Depmeier, Wulf, Albrecht-Schmitt, Thomas E
Format: Article
Language:English
Subjects:
materials and chemistry by design
MATERIALS SCIENCE
nuclear (including radiation effects)
synthesis (novel materials)
synthesis (self-assembly)
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Summary:Four heterobimetallic U(vi)/M(ii) (M = Mn, Co, Cd) carboxyphosphonates have been synthesized. M(2)[(UO(2))(6)(PO(3)CH(2)CO(2))(3)O(3)(OH)(H(2)O)(2)]·16H(2)O (M = Mn(ii), Co(ii), and Cd(ii)) adopt cubic three-dimensional network structures with large cavities approximately 16 Å in diameter that are filled with co-crystallized water molecules. [Cd(3)(UO(2))(6)(PO(3)CH(2)CO(2))(6)(H(2)O)(13)]·6H(2)O forms a rhombohedral channel structure with hydrated Cd(ii) within the channels. The cubic compound (Co) displays differential gas absorption with a surface area for CO(2) uptake of 40 m(2) g(-1) at 273 K, and no uptake of N(2) at 77 K.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc03507f