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Beryllium (II) complexes of the klaui tripodal ligand cyclopentadienyltris (diethylphosphito-P) cobaltate(-)

Barbaro, Pierluigi, Cecconi, Franco, Dakternieks, Dainis, Dominguez, Sixto, Duthie, Andrew, Ghilardi, Carlo A., Midollini, Stefano, Orlandini, Annabella and Vacca, Alberto 2001, Beryllium (II) complexes of the klaui tripodal ligand cyclopentadienyltris (diethylphosphito-P) cobaltate(-), Inorganic Chemistry, vol. 40, no. 12, pp. 2725-2729, doi: 10.1021/ic010021.

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Title Beryllium (II) complexes of the klaui tripodal ligand cyclopentadienyltris (diethylphosphito-P) cobaltate(-)
Formatted title Beryllium (II) complexes of the kläui tripodal ligand cyclopentadienyltris (diethylphosphito-P) cobaltate(-)
Author(s) Barbaro, Pierluigi
Cecconi, Franco
Dakternieks, Dainis
Dominguez, Sixto
Duthie, Andrew
Ghilardi, Carlo A.
Midollini, Stefano
Orlandini, Annabella
Vacca, Alberto
Journal name Inorganic Chemistry
Volume number 40
Issue number 12
Start page 2725
End page 2729
Publisher American Chemical Society
Place of publication San Diego, Calif
Publication date 2001
ISSN 0020-1669
1520-510X
Summary The interactions of the beryllium(II) ion with the cyclopentadienyltris(diethylphosphito-P)cobaltate monoanion, L-, have been investigated, in aqueous solution, by synthetic methods, potentiometry, ESMS, and 1H, 31P, and 9Be NMR spectroscopy. L- has been found able to displace either two or three water molecules in the beryllium(II) coordination sphere, to form mononuclear, dinuclear, and trinuclear derivatives, in which the metal ion is pseudotetrahedrally coordinated. The species [BeL(H2O)]+ and [Be2L2(μ-OH)]+ have been identified in solution while complexes of formula BeL2 and [Be3L4](ClO4)2 have been isolated as solid materials. The species [BeL(OPPh2)]+, closely related to [BeL(H2O)]+, has been characterized in acetone solution and isolated as tetraphenylborate salt. The structure of the unusual trimeric complex [Be3L4]2+ has been elucidated by an unprecedented 2D 9Be-31P NMR correlation spectrum showing the presence of a single central beryllium nucleus and two equivalent terminal beryllium nuclei. The three beryllium centers are held together by four cobaltate ligands, which display two different bonding modes: two ligands are terminally linked with all the three oxygen donors to one terminal beryllium, and the other two bridge two metal centers, sharing the oxygen donors between central and terminal beryllium atoms.

Notes Web Release Date: May 5, 2001
Language eng
DOI 10.1021/ic010021
Field of Research 030204 Main Group Metal Chemistry
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2001, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30008467

Document type: Journal Article
Collection: School of Biological and Chemical Sciences
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