Arsenide iodides or iodide arsenides are compounds containing anions composed of iodide (I<sup>âÂÂ</sup>) and arsenide (As<sup>3âÂÂ</sup>). They can be considered as mixed anion compounds. They are in the category of pnictidehalides. Related compounds include the arsenide chlorides, arsenide bromides, phosphide iodides, and antimonide iodides.