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


Reference:

Ahrens, B., Cotton, S. A., Feeder, N., Noy, O. E., Raithby, P. R. and Teat, S. J., 2002. Structural variety in nitrate complexes of the heavy lanthanides with 2,2 ': 6 ',2 ''-terpyridine, and stereoselective replacement of nitrate. Journal of the Chemical Society: Dalton Transactions

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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.

Details

Item Type Articles
CreatorsAhrens, B., Cotton, S. A., Feeder, N., Noy, O. E., Raithby, P. R. and Teat, S. J.
DOI10.1039/b200480c
DepartmentsFaculty of Science > Chemistry
RefereedYes
StatusPublished
ID Code5173
Additional InformationID number: ISI:000175325800023

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