Affiliation: | (1) Stanford Synchrotron Radiation Laboratory, Stanford Linear Accelerator Center, Stanford, CA 94309, USA e-mail: pickering@ssrl.slac.stanford.edu Fax: +1-650-926-4100, US;(2) Chemistry Department and Texas Research Institute for Environmental Studies, Sam Houston State University Huntsville, TX 77341, USA, US;(3) Exxon Research and Engineering Company Annandale, NJ 08801, USA, US |