[1] Univ Minnesota, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA
[2] Univ Minnesota, Dept Chem, Minneapolis, MN 55455 USA
[3] Louisiana State Univ, Dept Chem, Baton Rouge, LA 70803 USA
[4] Univ Penn, Dept Chem, Philadelphia, PA 19104 USA
[5] Lawrence Livermore Natl Lab, Chem & Mat Sci Directorate, Livermore, CA USA