1. Department of Chemistry and Biochemistry; University of California; Santa Barbara California 93106
2. Materials Research Laboratory; University of California; Santa Barbara California 93106
3. Materials Department; University of California; Santa Barbara California 93106
4. Department of Chemical Engineering; University of California; Santa Barbara California 93106
5. The Dow Chemical Company; Midland Michigan 48674
6. Department of Chemistry; Jackson State University; Jackson Mississippi 39217