Neptunium diarsenide

Template:Chembox Neptunium diarsenide is a binary inorganic compound of neptunium and arsenic with the chemical formula Template:Chem. The compound forms crystals.

Synthesis

Heating stoichiometric amounts of neptunium hydride and arsenic:

$𝖭𝗉{𝖧}_{𝗑}\mathsf{+}\mathrm{𝟤}𝖠𝗌\stackrel{450^{o}C}{\to }𝖭𝗉𝖠{𝗌}_{\mathrm{𝟤}}\mathsf{+}\mathsf{(}𝗑/\mathrm{𝟤}\mathsf{)}{𝖧}_{\mathrm{𝟤}}$

Physical properties

Neptunium diarsenide forms crystals of the tetragonal system, space group P4/nmm, cell parameters a = 0.3958 nm, c = 0.8098 nm.