Synthesis, Crystal Structure and Vibration Spectrum of Molybdosilicic Heteropoly Complex with Dysprosium

Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (1): 1.

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Synthesis, Crystal Structure and Vibration Spectrum of Molybdosilicic Heteropoly Complex with Dysprosium

Liu Zhong-xu¹, Shan Yong-kui¹, Wang En-bo², Jin Zhong-sheng³, Wei Ge-cheng³, Liu Yong-sheng³

1. Harbin Normal University, Harbin, 150080;
2. Northeast Normal University, Changchun;
3. Changchun Institute of Applied Chemistry, Academia Sinca, Changchun

Received:1989-03-13 Online:1991-01-24 Published:1991-01-24

Abstract

Abstract: Molybdosilicic heteropoly complex with dysprosium and its single crystal were prepared. The crystal structure with space group .P2₁/n was determined by means of X-ray single crystal structure analysis method, the unit cell parameters are as follows: a=17. 256(1)Å, b=26. 817(1)Å, c=21.797(1)Å,β=104. 39(1)°,V=9770. 2Å³. Z=4, F(000)=8140,D_c=2. 94 g/cm³. The results show that the dysprosium atom is coordinated to eight oxygen atoms which are from two tetraden-tate ligands SiMo₁₁O₃₉^8-. The point-group for its local symmetry is pseudonym D_4d(staggered). Potassium atoms are coordinated to six,seven, eight or nine O-atoms. Vibration spectrum of the title complex was also discussed.

Key words: Molybdosilicic heteropoly complex, Dysprosium, Crystal structure, Synthesis

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Liu Zhong-xu, Shan Yong-kui, Wang En-bo, Jin Zhong-sheng, Wei Ge-cheng, Liu Yong-sheng. Synthesis, Crystal Structure and Vibration Spectrum of Molybdosilicic Heteropoly Complex with Dysprosium[J]. Chem. J. Chinese Universities, 1991, 12(1): 1.

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Synthesis, Crystal Structure and Vibration Spectrum of Molybdosilicic Heteropoly Complex with Dysprosium

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