Synthesis, Structure and Magnetic Properties of the Sandwich-type Tungstoarsenates Containing Tetrametallic Cluster[M4(H2O)2(AsW9O34)2]10-(M=CuⅡ,CoⅡ,MnⅡ, NiⅡ, ZnⅡ).

Chem. J. Chinese Universities ›› 2002, Vol. 23 ›› Issue (5): 789.

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Synthesis, Structure and Magnetic Properties of the Sandwich-type Tungstoarsenates Containing Tetrametallic Cluster[M₄(H₂O)₂(AsW₉O₃₄)₂]^10-(M=Cu^Ⅱ,Co^Ⅱ,Mn^Ⅱ, Ni^Ⅱ, Zn^Ⅱ).

BI Li-Hua^1,2, HUANG Ru-Dan¹, PENG Jun¹, WANG En-Bo¹

1. College of Chemistry, Northeast Normal University, Changchun 130024, China;
2. College of Chemistry, Jilin University, Changchun 130025, China

Received:2000-08-17 Online:2002-05-24 Published:2002-05-24

Abstract

Abstract: The compounds [M₄(H₂O)₂(AsW₉O₃₄)₂]^10-(M=Cu^Ⅱ,Co^Ⅱ,Mn^Ⅱ, Ni^Ⅱ, Zn^Ⅱ) were synthesized and characterized by IR, UV, elemental analysis and magnetic measurements.These compounds are isostructural to the Pderivatives and comprise a rhomb-like M₄O₁₆ group encapsulated between two fragments of the trivacant Keggin polyanion [AsW₉O₃₄]^9-.The crystal structures of the Mn^Ⅱ and Cu^Ⅱ derivatives were compared with that of the Pderivatives.The Mn^Ⅱ derivative exhibits antiferromagnetic Mn-Mn exchange interactions and S=0 ground state.

Key words: Sandwich-type tungstoarsenates, Synthesis, Structure, Magnetic property

CLC Number:

O612.6

TrendMD:

BI Li-Hua, HUANG Ru-Dan, PENG Jun, WANG En-Bo. Synthesis, Structure and Magnetic Properties of the Sandwich-type Tungstoarsenates Containing Tetrametallic Cluster[M₄(H₂O)₂(AsW₉O₃₄)₂]^10-(M=Cu^Ⅱ,Co^Ⅱ,Mn^Ⅱ, Ni^Ⅱ, Zn^Ⅱ).[J]. Chem. J. Chinese Universities, 2002, 23(5): 789.

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Synthesis, Structure and Magnetic Properties of the Sandwich-type Tungstoarsenates Containing Tetrametallic Cluster[M₄(H₂O)₂(AsW₉O₃₄)₂]^10-(M=Cu^Ⅱ,Co^Ⅱ,Mn^Ⅱ, Ni^Ⅱ, Zn^Ⅱ).

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