1. Department of Chemistry
and Biochemistry, New Mexico State University, Las Cruces New Mexico 88003, United States
2. Department of Chemistry
and Pharmacy, Friedrich-Alexander-University Erlangen-Nuremberg, Egerlandstr. 1, 91058 Erlangen,
Germany
3. Cabot Corporation, 5401 Venice Avenue N.E., Albuquerque, New
Mexico 87113, United
States