[1
]Theoretical Chemistry Laboratory, Unit of Theoretical and Structural Physical Chemistry,
Namur Institute of Structured Matter, University of Namur, B-5000 Namur, Belgium
[2
]Univ Angers, CNRS, MOLTECH—Anjou, F-49000 Angers, France
[3
]Institut des Sciences Moléculaires (ISM, UMR CNRS 5255), Université de Bordeaux, 351
Cours de la Libération, 33405 Talence, France