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Issue 65, 2012
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Spin crossover in phosphorus- and arsenic-bridged cyclopentadienyl-manganese(ii) dimers

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Abstract

Manganocene reacts with LiE(SiMe3)2 (E = P or As) to give [(η5-Cp)Mn{μ-E(SiMe3)2}]2, where E = P (1) or As (2). The temperature dependence of the magnetic susceptibility in 1 and 2 is due to antiferromagnetic exchange and to spin-crossover (SCO). Compound 2 shows two-step SCO with hysteresis, involving high-spin (S = 5/2) and intermediate-spin S = (3/2) Mn(II).

Graphical abstract: Spin crossover in phosphorus- and arsenic-bridged cyclopentadienyl-manganese(ii) dimers

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Supplementary files

Article information


Submitted
23 Apr 2012
Accepted
11 May 2012
First published
14 May 2012

Chem. Commun., 2012,48, 8087-8089
Article type
Communication

Spin crossover in phosphorus- and arsenic-bridged cyclopentadienyl-manganese(II) dimers

S. Scheuermayer, F. Tuna, M. Bodensteiner, M. Scheer and R. A. Layfield, Chem. Commun., 2012, 48, 8087
DOI: 10.1039/C2CC32893C

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