Synthesis and structural properties of heteroleptic rare earth mixed carboxylates with well-defined solvation spheres

Behrsing, Thomas, Deacon, Glen B., Junk, Peter C., Skelton, Brian W., and White, Allan H. (2010) Synthesis and structural properties of heteroleptic rare earth mixed carboxylates with well-defined solvation spheres. Zeitschrift für Anorganische und Allgemeine Chemie, 636 (13-14). pp. 2372-2377.

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Abstract

Mixed carboxylate complexes of cerium(III) and yttrium(III), [Ce2(OAc)4(salH)2(OH2)4]·4HOAc and [Y2(OAc)4(salH)2(OH2)4]·2H2sal (HOAc, H2sal ≡ acetic, salicylic acids) have been structurally characterized as tetrakis(acetic) and bis(salicylic) acid solvates, respectively. The dinuclear complex components take an identical form: [(OAc-O,O')(H2O)2Ln(O,μ-O'-OAc)2(O-Hsal-O')2Ln(OH2)2(O,O'-OAc)], with bridging pairs of acetate and salicylate ligands. The solvating acid molecules are closely and elegantly associated with the dinuclear complex via hydrogen bonding, these aggregates in turn being held together in the lattice by interactions between water molecule hydrogen atoms and neighboring carboxylate oxygen atoms.

Item ID: 29682
Item Type: Article (Research - C1)
ISSN: 1521-3749
Keywords: cerium, yttrium, salicylate, acetate, crystal structure
Funders: Australian Research Council (ARC)
Date Deposited: 02 Oct 2013 10:34
FoR Codes: 03 CHEMICAL SCIENCES > 0302 Inorganic Chemistry > 030202 f-Block Chemistry @ 100%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970103 Expanding Knowledge in the Chemical Sciences @ 100%
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