Molecular Structures and Electronic Structures of Transition-Metal Mixed-Sandwich Complexes, [CpFe(II)(PhX)](+1) and Ferrocene J. Yasui, H. Maeda, S. Emura, M. Imahashi, K. Shoki, K. Shiomi, T. Kodama et N. Fukushima J. Phys. IV France, 7 C2 (1997) C2-653-C2-654 DOI: 10.1051/jp4/1997134