Aromatic Compounds: A Ring Made up Solely of Metal Atoms

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Heidelberg chemists characterise new basic structure in the field of aromaticity

Aromatic ring (purple) made up solely of metal atoms
Aromatic ring (purple) made up solely of metal atoms

The term aromaticity is a basic, long-standing concept in chemistry that is well established for ring-shaped carbon compounds. Aromatic rings consisting solely of metal atoms were, however, heretofore unknown. The research team led by Lutz Greb, a scientist at Heidelberg University’s Institute of Inorganic Chemistry, recently succeeded in isolating such a metal ring and describing it in full.

Aromatic compounds, or aromatics, are a substance class in organic chemistry, named after the aromatic smell by which the initially discovered compounds of this class were identified. ...

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