1. Departamento
de Química and IFISUR, UNS-CONICET, Av. Alem 1253, 8000 Bahía Blanca, Argentina
2. Department
of Mathematical Science and Technology, Norwegian University of Life Sciences, Drøbakveien 31, Ås, 1432, Norway
3. Departamento
de Física and IFISUR, UNS-CONICET, Av. Alem 1253, 8000 Bahía Blanca, Argentina
4. Departamento
de Química and PLAPIQUI, UNS-CONICET, camino de La Carrindanga Km. 7, 8000 Bahía Blanca, Argentina