[1] Chemical Physics, Department of Photochemistry and Molecular Science, Uppsala University, SE-751 20 Uppsala, Sweden
[2] Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden
[3] Department of Chemistry, Royal Institute of Technology, Teknikringen 56, 100 44 Stockholm, Sweden
[4] Service de Bioénergétique, CNRS URA 2096, CEA Saclay, 91191 Gif-sur-Yvette, France