Chemistry and Physics Faculty Articles

Title

Structural Characterization of bis(arylimino)isoindoline Complexes of Dimolybdenum

Document Type

Article

Publication Date

1989

Publication Title

Polyhedron

ISSN

0277-5387

Volume

8

Issue/No.

19

First Page

2359

Last Page

2365

Peer Reviewed

1

Abstract

The complexes [Mo2(OAc)3(BAII)], where BAII is either bis(pyridylimino) isoindoline or bis(4,6-dimethylpyridylimino)isoindoline, have been synthesized. A detailed interpretation of their 1H NMR spectra has been made. The structure of the bis(pyridylimino)isoindoline derivative has been determined by X-ray analysis to facilitate the assignment of the resonance lines in the NMR spectra. The complex is triclinic belonging to the space group P1̄ with a = 8.241(3), b = 12.274(4), c = 15.390(6) Å, V = 1490.1(9) Å3 and Dcalc = 1.66 g cm−3. The final R value was 0.058. The structure consists of a quadruply bonded dimolybdenum unit which is bound to three bridging acetates and one bridging BAII ligand. The BAII ligand is bound to one molybdenum by an imino nitrogen and to the other molybdenum by the isoindoline nitrogen and a pyridyl nitrogen. The pyridyl nitrogen is bound in a position approximately co-axial with the metal-metal bond. The MoMo bond distance is 2.109(1) Å.

Comments

Copyright © 1989 Published by Elsevier Ltd.

DOI

10.1016/S0277-5387(00)80297-1

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