Frontier orbitals analysis and density-functional energetics for metal-substituted fullerene C58Fe2 C. Tang, K. Deng, W. Tan, Y. Yuan, Y. Liu, J. Yang and X. Wang Eur. Phys. J. D, 43 1-3 (2007) 125-128 Published online: 24 May 2007 DOI: 10.1140/epjd/e2007-00054-4