<abstract abstract-type="main" xml:lang="en"> <title>Abstract</title> <p>Translucent black crystals of the title compound are obtained from mixtures of Te, NbCl<sub>5</sub>, and NbOCl<sub>3</sub> in the ionic liquid [bmim]Cl (Ar filled glass ampules, 423 K, 14 d; 30% yield).</p> </abstract>