Robert,
maybe this is what you are trying to achieve:
videoList =
With[{obj = PolyhedronData["Icosahedron"]},
Table[Show[obj, SphericalRegion -> True, ViewVector -> {5 Cos[t], 5 Sin[t], 5}], {t, 0, 2 Pi, .05}]];
Export["rotmol.gif", videoList, "DisplayDurations" -> .05]