Preparation and Structures of Rare Earth 3-Benzoylpropanoates and 3-Phenylpropanoates

Thomas, NC, Beaumont, OA, Deacon, GB, Gaertner, C, Forsyth, CM, Somers, Anthony and Junk, PC 2020, Preparation and Structures of Rare Earth 3-Benzoylpropanoates and 3-Phenylpropanoates, Australian Journal of Chemistry, vol. 73, no. 12, pp. 1250-1259, doi: 10.1071/CH20197.

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Title Preparation and Structures of Rare Earth 3-Benzoylpropanoates and 3-Phenylpropanoates
Author(s) Thomas, NC
Beaumont, OA
Deacon, GB
Gaertner, C
Forsyth, CM
Somers, AnthonyORCID iD for Somers, Anthony orcid.org/0000-0002-0220-2904
Junk, PC
Journal name Australian Journal of Chemistry
Volume number 73
Issue number 12
Start page 1250
End page 1259
Total pages 10
Publisher CSIRO Publishing
Place of publication Melbourne, Vic.
Publication date 2020
ISSN 0004-9425
1445-0038
Keyword(s) Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Chemistry
CORROSION-INHIBITORS
BINUCLEAR HYDROCINNAMATE
CRYSTAL-STRUCTURES
LUMINESCENCE
COMPLEXES
1,10-PHENANTHROLINE
STEEL
METAL
Summary Rare earth (RE) complexes of 3-benzoylpropanoate (bp), [RE(bp)3(H2O)n] (RE=La, n=2; RE=Y, Ce, Pr, Nd, Yb, n=1) and 3-phenylpropanoate (pp), [RE(pp)3] (RE=Y, La, Ce, Nd, Yb), have been prepared by metathesis reactions between the corresponding rare earth chloride and the appropriate sodium carboxylate. Analysis by single-crystal X-ray diffraction finds that both RE bp and pp complexes favour formation of carboxylate-bridged 1-D coordination polymers in the solid state. Here, the former favours heteroleptic 9 or 10-coordinate complexes (splitting between Ce and La) with the carbonyl remaining uncoordinated but participating as a hydrogen bond acceptor with water in the coordination sphere. Lack of bp carbonyl coordination leaves this group available for surface interactions during corrosion inhibition and complex solubilization. The latter pp derivatives form eight-coordinate complexes for Y and Yb and are the first examples of homoleptic RE pp complexes to be reported.
Language eng
DOI 10.1071/CH20197
Indigenous content off
Field of Research 03 Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30142914

Document type: Journal Article
Collections: Institute for Frontier Materials
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