Issue 9, 2002
From the journal:

Journal of the Chemical Society, Dalton Transactions

Structural variety in nitrate complexes of the heavy lanthanides with 2,2′:6′,2″-terpyridine, and stereoselective replacement of nitrate

Birte Ahrens,a   Simon A. Cotton,*b   Neil Feeder,c   Oliver E. Noy,b   Paul R. Raithby*a  and  Simon J. Teatd  

* Corresponding authors

a Department of Chemistry, University of Bath, Claverton Down, Bath, UK
E-mail: p.r.raithby@bath.ac.uk

b Uppingham School, Uppingham, Rutland, UK
E-mail: SAC@uppingham.co.uk

c Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, UK

d CLRC Daresbury Laboratory, Daresbury, Warrington, UK

Abstract

Structural studies show that the solvolysis of a nitrate group in the heavy lanthanide complexes [Ln(terpy)(NO3)3] {Ln = Yb, Lu; terpy = 2,2′:6′,2″-terpyridine} is stereoselective. In the complexes [Ln(terpy)(NO3)3(EtOH)], the ‘equatorial nitrate group’, which lies in the same plane as the terpy ligand, coordinates in a monodentate fashion and the vacant coordination site is filled by an ethanol molecule. Similarly, in the unusual complexes [Yb(terpy)(NO3)2(H2O)2][NO3] and [Lu(terpy)(NO3)2(H2O)(EtOH)][NO3], two water molecules or a water and an ethanol molecule are bound to the metal in preference to the nitrate and lie in the same plane as the terpy ligand.

Graphical abstract: Structural variety in nitrate complexes of the heavy lanthanides with 2,2′:6′,2″-terpyridine, and stereoselective replacement of nitrate

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Article information

DOI
https://doi.org/10.1039/B200480C
Article type
Paper
Submitted
14 Jan 2002
Accepted
21 Feb 2002
First published
08 Apr 2002

J. Chem. Soc., Dalton Trans., 2002, 2027-2030

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Structural variety in nitrate complexes of the heavy lanthanides with 2,2′:6′,2″-terpyridine, and stereoselective replacement of nitrate

B. Ahrens, S. A. Cotton, N. Feeder, O. E. Noy, P. R. Raithby and S. J. Teat, J. Chem. Soc., Dalton Trans., 2002, 2027 DOI: 10.1039/B200480C

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