Title

Aminopropanol – Xylene to Chemically Purify Gd3N@C88 Metallofullerene

Document Type

Article

Publication Date

11-2017

Publication Source

Inorganica Chimica Acta

Volume

468

Inclusive pages

177-182

DOI

10.1016/j.ica.2017.04.020

Publisher

Elsevier

ISBN/ISSN

00201693

Peer Reviewed

yes

Abstract

The larger and less-studied metallic nitride fullerene, Gd3N@C88, is chemically isolated by manipulating its inertness to 3-aminopropanol in a xylene solvent system. An advantage of aminopropanol–xylene is the liquid phase of all species. This homogeneous nature mitigates sample loss that accompanies heterogeneous media, such as aminosilica. Respectful to green chemistry, our chemical purification approach eliminates chlorinated solvents. The inexpensive reagents require no preliminary synthesis prior to use. In stage one, fullerene and metallofullerene contaminants are easily transferred into a hydrophilic layer upon attaching water-soluble groups to the cage surface. In stage two, Gd3N@C88 is selectively precipitated with ZnCl2 and de-complexed to yield a sample of 84% purity. A single HPLC injection provides 99% Gd3N@C88.

Keywords

Aminopropanol, Endohedral, Isolation, Metallofullerene, Non-chromatographic purification

Disciplines

Chemistry

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