1. Center for Sustainable Materials Chemistry (CSMC) Oregon State University USA
2. Department of Chemistry Oregon State University USA
3. Department of Chemistry and Biochemistry University of Oregon Eugene OR 97403 USA
4. Current address: Dept. of Chemistry Alfred University Alfred NY 14802 USA
5. Current address: ESRF-The European Synchrotron 380000 Grenoble France
6. Department of Chemical, Biological & Environmental Engineering Oregon State University Corvallis OR 97331 USA