[1] Inst Anorgan & Analyt Chem, D-48149 Munster, Germany
[2] Univ Regensburg, Inst Anorgan Chem, D-93040 Regensburg, Germany
[3] Univ Munster, Inst Organ Chem, D-48149 Munster, Germany
[4] Univ Bonn, Mulliken Ctr Theoret Chem, Inst Phys & Theoret Chem, D-53115 Bonn, Germany
[5] Max Planck Inst Chem Energy Convers, D-45470 Mulheim An Der Ruhr, Germany
[6] Univ Amsterdam, Vant Hoff Inst Mol Sci HIMS, NL-1098 XH Amsterdam, Netherlands