Issue 15, 2009
From the journal:

Dalton Transactions

Synthesis and molecular structure of pentafluoroethyl derivatives of C70: C70(C2F5)8 and C70(C2F5)10

Nadezhda B. Tamm,a   Ilya N. Ioffe,a   Erhard Kemnitzb  and  Sergey I. Troyanov*a  

* Corresponding authors

a Chemistry Department, Moscow State University, Moscow, Russia
E-mail: stroyano@thermo.chem.msu.ru
Fax: +7 (495) 939 12 40
Tel: +7 (495) 939 53 96

b Institute of Chemistry, Humboldt University, Berlin, Germany
E-mail: erhard.kemnitz@chemie.hu-berlin.de
Fax: +49 30 20937277
Tel: +49 30 20937555

Abstract

An isomeric mixture of C70(C2F5)10 has been synthesized by a high temperature reaction of C70 with C2F5I in a glass ampoule followed by HPLC separation. Partial thermal decomposition of C70(C2F5)10 has been performed to yield a complex mixture of lower derivatives. The molecular structures of nine isomers of C70(C2F5)8 isolated therefrom plus two new isomers of C70(C2F5)10 have been determined by means of single crystal X-ray diffraction. We discuss these newly obtained structures in terms of relative energies and possible formation pathways.

Graphical abstract: Synthesis and molecular structure of pentafluoroethyl derivatives of C70: C70(C2F5)8 and C70(C2F5)10

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Article information

DOI
https://doi.org/10.1039/B817829A
Article type
Paper
Submitted
10 Oct 2008
Accepted
16 Jan 2009
First published
20 Feb 2009

Dalton Trans., 2009, 2740-2745

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Synthesis and molecular structure of pentafluoroethyl derivatives of C70: C70(C2F5)8 and C70(C2F5)10

N. B. Tamm, I. N. Ioffe, E. Kemnitz and S. I. Troyanov, Dalton Trans., 2009, 2740 DOI: 10.1039/B817829A

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