Hydorthermal Synthesis and Characterization of a New Compound [Co(en)3]2·2H3O·[As8 V14O42(HPO4)]·2H2O

Chem. J. Chinese Universities ›› 2002, Vol. 23 ›› Issue (5): 783.

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Hydorthermal Synthesis and Characterization of a New Compound [Co(en)₃]₂·2H₃O·[As₈ V₁₄O₄₂(HPO₄)]·2H₂O

LI Ya-Feng¹, CUI Wei^1,2, WU Gang¹, FANG Qian-Rong¹, ZHU Guang-Shan¹, LI Bin-Song¹, GAO Fei-Fei¹, WANG Chun-Lei¹, QIU Shi-Lun¹

1. College of Chemistry, State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130023, China;
2. Department of Chemistry, College of Profession and Technology of Fushun, Fushun 113006, China

Received:2001-12-11 Online:2002-05-24 Published:2002-05-24

Abstract

Abstract: In this paper, a new compound [Co(en)₃]₂·2H₃O·[As₈V₁₄O₄₂(HPO₄)]·2H₂O was obtainedby hydrothermal method at 140℃ for 5d, which was characterized by IR, ICP and single crystal X-raydiffractinn.The titled compound is crystaIlized in orthomgonal system, space group Pbca with a= 2.4825(9) nm, b=2.0994(8) nm, c=2.8866(9) nm, V=15.009(9) nm³, Z=8, D_c=2.289 Mg/m³, M_r=2586.19, μ= 5.703 mm^-1, F(000) = 9788, R=0.0889, wR=0.2482.The tetrahedron PO₄ is in-cluded in an anion cage which is formed via condensed vanadium oxygen square pyramids(VO₅) and octa-hedral(VO₆) connected by As₂O₅ units through sharing oxygen atoms.The two Co cation is coordinatedby three en respectively, in which the six Natoms of the three en form an octahedron with Co atom as thecentre.

Key words: Hydrothermal synthesis, Crystal structure, Polyoxometalate

CLC Number:

O641

TrendMD:

LI Ya-Feng, CUI Wei, WU Gang, FANG Qian-Rong, ZHU Guang-Shan, LI Bin-Song, GAO Fei-Fei, WANG Chun-Lei, QIU Shi-Lun. Hydorthermal Synthesis and Characterization of a New Compound [Co(en)₃]₂·2H₃O·[As₈ V₁₄O₄₂(HPO₄)]·2H₂O[J]. Chem. J. Chinese Universities, 2002, 23(5): 783.

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Hydorthermal Synthesis and Characterization of a New Compound [Co(en)₃]₂·2H₃O·[As₈ V₁₄O₄₂(HPO₄)]·2H₂O

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