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Novel coordination behaviour of gem-bis (pyrazolyl) cyclotriphosphazenes as tridentate NNN-donor ligands: The crystal structure of [Mo(CO)3{N3P3Ph4(3,5-Me2C3HN2)2}]

Chandrashekaran, A and Krishnamurthy, SS and Nethaji, M (1991) Novel coordination behaviour of gem-bis (pyrazolyl) cyclotriphosphazenes as tridentate NNN-donor ligands: The crystal structure of [Mo(CO)3{N3P3Ph4(3,5-Me2C3HN2)2}]. In: Current Science (Bangalore), 60 (12). pp. 700-701.

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Abstract

Reactions of group 6 metal carbonyls with bis(pyrazolyl) phosphazenes yield metal tricarbonyl complexes, [M(CO)3.L] [L = N3P3Ph4 (3, 5-Me2C3HN2)2 (1) or N3P3(MeNCH2CH2O)2 (3,5-Me2C3HN2)2(4)]. The structure of the complex [Mo(CO)3.1], determined by single-crystal X-ray analysis, shows that the (pyrazolyl) phosphazene acts as a tridentate ligand; the two pyridinic pyrazolyl nitrogen atoms and a phosphazene ring nitrogen atom are coordinated to the metal. A similar structure is proposed for the complexes [M(CO)3.4] (M = Mo or W] on the basis of their spectroscopic data.

Item Type: Editorials/Short Communications
Additional Information: Copyright of this article belongs to Indian Academy of Sciences.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 26 Nov 2010 07:19
Last Modified: 26 Nov 2010 07:19
URI: http://eprints.iisc.ernet.in/id/eprint/34011

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