When does a Nitrogen attached to a λ3-Phosphorus assume a Pyramidal Geometry? Crystal Structures of Group 6 Metal Carbonyl Complexes of Isometric Forms of λ3-Cyclotriphosphazanes

DOI: 10.1039/DT9930003635

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 3635 - 3640 (1993)

Update date:2022-08-02

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Authors:

Murugavel, Ramaswamy

Krishnamurthy, Setharampattu S.

Nethaji, Munirathinam

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Article abstract of DOI:10.1039/DT9930003635

The reaction of (nbd = norbornadiene) with trans-3(L¹) or cis-3(L²) yields the mono- and di-nuclear molybdenum(0) complexes 1)> 1 and <2)>2> 2, respectively.They represent the first organometallic transition-metal derivatives of λ³-cyclotriphosphazanes and have been characterised by elemental analysis and IR and NMR spectroscopy and their structures confirmed by X-ray crystallography.The different co-ordination behaviour at the cis and trans isomeric forms of this type of ligand is revealed.A pyramidal geometry observed around one of the nitrogen atoms of the P3N3 ring in complex 1 is unprecedented among λ³-phosphazanes.

Full text of DOI:10.1039/DT9930003635

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