Issue 14, 2011
From the journal:

Dalton Transactions

One electron oxidation of triferrocenylmethanol: synthesis, metal atom dynamics, electron delocalization, and the crystal structure of [Fc3COH]+ PF6−†

Holger Butenschön,a   Jingxiang Ma,a   Constantin G. Daniliuc,b   Israel Nowikc  and  Rolfe H. Herber*c  

* Corresponding authors

a Institut für Organische Chemie, Leibniz Universität Hannover, Hannover, Germany
E-mail: holger.butenschoen@mbox.oci.uni-hannover.de
Fax: +49 511 762-4616
Tel: +49 511 762-4661

b Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, Braunschweig, Germany
E-mail: c.daniliuc@tu-braunschweig.de
Tel: +49 531 391-5382

c Racah Institute of Physics, The Hebrew University of Jerusalem, Jerusalem, Israel
E-mail: herber@vms.huji.ac.il
Fax: +972 2 6586347
Tel: +972 2 6584244

Abstract

The title compound 2 was prepared and its crystal structure was determined at 100 K. The neat solid was examined by temperature dependent 57Fe Mössbauer effect (ME) spectroscopy over the interval 92 < T < 318 K, and evidences two diamagnetic Fe(II) sites and one paramagnetic Fe(III) site. The latter shows spin–lattice relaxation, but there is no evidence of electron delocalization among the three iron sites in the above temperature interval. The mean-square-amplitude-of-vibration of the diamagnetic iron site has been determined from the recoil-free fraction ME resonance, and compared to the neutral Fc3COH homologue (1). The ME dynamical data are in good agreement with the Ui,j value at 100 K extracted from the crystallographic results. The ME parameters at 5 K have also been determined with the sample compound embedded in a paraffin wax matrix as well as pelletized with BN.

Graphical abstract: One electron oxidation of triferrocenylmethanol: synthesis, metal atom dynamics, electron delocalization, and the crystal structure of [Fc3COH]+ PF6−

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Article information

DOI
https://doi.org/10.1039/C0DT01248C
Article type
Paper
Submitted
16 Sep 2010
Accepted
04 Jan 2011
First published
02 Mar 2011

Dalton Trans., 2011,40, 3671-3676

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One electron oxidation of triferrocenylmethanol: synthesis, metal atom dynamics, electron delocalization, and the crystal structure of [Fc3COH]+ PF6−

H. Butenschön, J. Ma, C. G. Daniliuc, I. Nowik and R. H. Herber, Dalton Trans., 2011, 40, 3671 DOI: 10.1039/C0DT01248C

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