1. Bruker (2001). SMART, SAINT-Plus and SHELXTL. Bruker AXS Inc., Madison, Wisconsin, USA.
2. Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.
3. Sheldrick, G. M. (1997). SHELXS97 and SHELXL97. University of Göttingen, Germany.
4. ThirumuruganA. & NatarajanS. (2004). Dalton Trans. pp. 2923–2928.