It was found that the data for 124Sb, at 192 to 225C, could be described by:

parallel to c-axis:     D (cm2/s) = 7.91 x 101 exp[-29.1(kcal/mol)/RT]

parallel to a-axis:     D (cm2/s) = 7.66 x 101 exp[-29.4(kcal/mol)/RT]

F.H.Huang, H.B.Huntington: Scripta Metallurgica, 1971, 5[8], 705-7