Different orientations of molecular water on neutral and charged aluminium clusters Al17n± (n = 0–3) Yiliang Liu, Yawen Hua, Ming Jiang, Ming Xu, Fei Yu and Jun Chen Eur. Phys. J. D, 67 9 (2013) 194 Published online: 25 September 2013 DOI: 10.1140/epjd/e2013-40013-x