Comparative study on the structure and properties of small Cn and NaCn clusters X. Liang, Y.-H. Luo, X.-J. Feng, T. T. Cao and L. X. Zhao Eur. Phys. J. D, 46 1 (2008) 93-101 Published online: 24 October 2007 DOI: 10.1140/epjd/e2007-00299-9