Protactinium tetraiodide

Protactinium tetraiodide is a binary inorganic compound of protactinium metal and iodine with the chemical formula .

Synthesis

Protactinium tetraiodide can be prepared by reducing the pentaiodide with aluminum at about 400 °C:

Also, a reaction of hydrogen reduction of protactinium(V) iodide at 400 °C:

Physical properties

The compound forms black or dark green crystals. The structure is not known.

Chemical properties

The compound is oxidized by antimony trioxide when heated in a vacuum:

The compound also reacts with quartz when heated:

References