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Issue 26, 2012
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Electronic structure and solution behavior of a tris(N,N′-diphenylhydrazido)manganese(iv) propeller complex

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Abstract

The electronic structure and magnetic properties of the manganese(IV) trihydrazide propeller complex, Li2Mn(κ2-PhN–NPh)3L2 (1, L = tetrahydrofuran, diethyl ether), are explored. EPR and solid-state magnetometry studies are indicative of a high spin Mn(IV) with a S = 3/2 spin state. Solution-phase magnetic measurements result in a measured μeff less than that expected for a S = 3/2, indicating a solution-phase equilibrium with a lower-spin species. Concentration-dependent magnetic susceptibility measurements identify clustering of 1 to an antiferromagnetically coupled multinuclear complex as the most likely explanation for the solution behavior. Comparative infrared spectroscopy in solution and solid phase are described which support speciation in solution.

Graphical abstract: Electronic structure and solution behavior of a tris(N,N′-diphenylhydrazido)manganese(iv) propeller complex

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Article information


Submitted
01 Mar 2012
Accepted
23 Apr 2012
First published
24 Apr 2012

Dalton Trans., 2012,41, 8093-8097
Article type
Paper

Electronic structure and solution behavior of a tris(N,N′-diphenylhydrazido)manganese(IV) propeller complex

S. K. Kondaveeti, S. Vaddypally, J. D. McCall and M. J. Zdilla, Dalton Trans., 2012, 41, 8093
DOI: 10.1039/C2DT30493G

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