PM7 Magnesium diiodide <Mg-I> GR=JANAF86 Mg 0.00000000 +0 0.0000000 +0 0.0000000 +0 0 0 0 I 2.52000000 +1 0.0000000 +0 0.0000000 +0 1 0 0 I 2.60891813 +1 179.9952040 +1 180.0000000 +0 1 2 0