[1] [1] W. G. Fateley, N. T. Mcdevitt, and F. F. Bentley, Appl. Spectrosc. 25, 155 (1971).

[2] [2] G. Zhang, G. Lan, and Y. Wang, Lattice Vibration Spectrocopy (in Chinese) (Higher Education Press, Beijing, 2001) p.64.

[3] [3] P. Zhao, H. Xia, L. Li, and X. Meng, J. Shandong University (in Chinese) 38, 70 (2003).

[4] [4] F. Zhang, Z. Deng, J. Yan, and Z. Zhang, Acta Opt. Sin. (in Chinese) 26, 1023 (2006).

[5] [5] G. Qiu, Q. Xiao, Y. Hu, W. Qin, and D. Wang, J. Colloid and Interface Science 270, 127 (2004).

[6] [6] B. Andriyevsky, V. Kapustianyk, W. Ciepluch-Trojanek, and A. Batiuk, Physica B 367, 216 (2005).

[7] [7] Y. Sun and Y. Qi, Safety and Environmental Engineering (in Chinese) 13, 103 (2006).

[8] [8] M. Shui, L. Yue, Q. Liu, and Z. Xu, Chin. J. Inorg. Chem. (in Chinese) 15, 715 (1999).

[9] [9] F. A. Andersen and L. Brecevic, Acta Chem. Scand. 45, 1018 (1991).

[10] [10] K. H. Hellwege, W. Lesch, M. Plihal, and G. Schaack, Z. Physik 232, 61 (1970).

[11] [11] A. Pavese, M. Catti, G. D. Price, and R. A. Jackson, Phys. Chem. Minerals 19, 80 (1992).

[12] [12] T. Pilati, F. Demartin, and C. M. Gramaccioli, Acta Cryst. B 54, 515 (1998).