[1] [1] Chen H, Deng Y, Yu Z, et al. Chemistry of Materials, 2013, 25(24): 5031.

[2] [2] An L, Zhou J, Xiao H P, et al. Cryst. Eng. Comm., 2014, 16(20): 4236.

[3] [3] Sun Y Q, Li G M, Chen Y P. Dalton Trans., 2012, 41: 5774.

[4] [4] Brown K, Car P E, Vega A, et al. Inorganica Chimica Acta, 2011, 367(1): 21.

[5] [5] Zhou J, Liu X, Chen R, et al. Cryst. Eng. Comm., 2013, 15: 5057.

[6] [6] Zhou J, Liu X, Hu F, et al. Inorganic Chemistry Communications, 2012, 25: 51.

[7] [7] Liu X, Zhou J, Zhou Z, et al. Journal of Cluster Science, 2012, 22(1): 65.

[10] [10] Schubert D M, Visi M Z, Knobler C B. Inorganic Chemistry, 2008, 47(6): 2017.

[11] [11] Lu J X. J. Struct Chem., 1989, 8: 327.

[12] [12] Hu Hengbin, Chen Xiangyi, Deng Song, et al. Journal of Molecular Structure, 2012, 1010: 67.

[13] [13] Chen Yiping, Wang Yeqin, Zhang Hanhui, et al. Journal of Molecular Structure, 2008, 883-884: 103.