[1] [1] Zhang H B, Zhou L J, Wei J, et al. J. Mater. Chem., 2012, 22: 21210.

[2] [2] Chou P T, Chi Y, Chung M W, et al. Coord. Chem. Rev., 2011, 255: 2653.

[3] [3] Dario B, Fabrizia G, Lucia M, et al. New J. Chem., 2011, 35: 339.

[4] [4] Fan L M, Zhang X T, Zhong S, et al. Crystal Growth & Design, 2013, 13: 2462.

[5] [5] Fan R Q, Wang L Y, Wang P, et al. J. Solid State Chem., 2012, 196: 332.

[6] [6] Sun Y Q, Zhang J, Yang G. Chem. Commun., 2006, 45: 4700.

[7] [7] Wang W Y, Yang Z Y, Wang C J, et al. Cryst. Eng. Comm., 2011, 13: 4895.

[8] [8] Yi X Y, Fang H C, Gu Z G, et al. Crystal Growth & Design, 2011, 11: 2824.

[9] [9] Nie C Y, Zhang Q, Ding H J, et al. Dalton Trans., 2014, 4: 599.

[10] [10] Shelxtl N T. 1999. Crystal Structure Analysis Package, Version 5.10, Bruker AXS, Analytical X-Ray System, Madison, WI.

[11] [11] Zhu L C, Zhao Y, Yu S J, et al. Inorg. Chem. Commun., 2010, 13: 1299.

[12] [12] Hou G F, Wang X D, Yu Y H, et al. Cryst. Eng. Comm., 2013, 15: 249.

[13] [13] Fu Y M, Zhao Y H, Lan Y Q, et al. J. Solid State Chem., 2008, 181: 2378.

[14] [14] Wang X M, Qiang L S, Fan R Q, et al. Supramolecular Chemistry, 2013, 25: 416.

[15] [15] Moore E G, Zigethy G S, Xu J D, et al. Angew. Chem. Int. Ed., 2008, 47: 9500.