Accurate MRCI calculations of the low-lying electronic states of the NCl molecule Ziyue Song, Deheng Shi, Jinfeng Sun and Zunlue Zhu Eur. Phys. J. D, 71 3 (2017) 55 Published online: 07 March 2017 DOI: 10.1140/epjd/e2017-70437-y