Premlatha, C and Soundararajan, S (1980) Lanthanide perchlorate complexes of o,o' diisopropyl, n(-4-antipyryl) phosphoramidate. In: Bulletin des Societes Chimiques Belges, 89 (6). pp. 417-420.
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Five new complexes of lanthanide perchlorates with a new ligand O,O' diisopropyl N(-4-antipyryl) phosphoramidate (DIAP) of the general formula Ln(DIAP)4(ClO4)3 where Ln = La, Pr, Nd, Sm and Gd, have been synthesised and characterized by chemical analysis, IR(200–4000cm−1) and electronic spectra and electrical conductance data. Infrared spectral data indicate the coordination of the ligand to the metal ions in a bidentate fashion, through the C=O oxygen of the antipyrine group and the P=O group. IR and conductance values show that the three perchlorate groups are ionic. Electronic spectrum of the Nd3+ complex in the visible region, indicates reasonable covalency in the metal-ligand bond. The available data point to an eight coordinate geometry around the metal ions, with each ligand behaving in a bidentate ‘00’ fashion.
| Item Type: | Journal Article |
|---|---|
| Publication: | Bulletin des Societes Chimiques Belges |
| Publisher: | John Wiley and Sons |
| Additional Information: | Copyright of this article belongs to John Wiley and Sons. |
| Department/Centre: | Division of Chemical Sciences > Inorganic & Physical Chemistry |
| Date Deposited: | 03 Jan 2011 09:31 |
| Last Modified: | 03 Jan 2011 09:31 |
| URI: | http://eprints.iisc.ac.in/id/eprint/34776 |
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