The first nonaselenium ring

Chem Commun (Camb). 2010 Jul 7;46(25):4520-2. doi: 10.1039/c0cc00192a. Epub 2010 May 11.

Abstract

The reaction of Se(2)Cl(2) with RhCl(3).4H(2)O at 100 degrees C gives dirhodium nonaselenium hexachloride Rh(2)Se(9)Cl(6). The structure exhibits the first Se(9) ring observed to date.