Novel copper-complex-substituted tungstogermanates

Chun Mei Wang; Shou Tian Zheng; Guo Yu Yang

doi:10.1021/ic0618605

Novel copper-complex-substituted tungstogermanates

Chun Mei Wang, Shou Tian Zheng, Guo Yu Yang^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

63 Citations (Scopus)

Abstract

Two copper-complex-substituted tungstogermanates [Cu₅(2, 2′-bpy)₆-(H₂O)][GeW₈O₃₁] ·9H₂O, 1, and {[Cu₅(2,2′-bpy) ₅(H₂O)][GeW₉O₃₄]} ₂· 7H₂O, 2 (2,2′-bpy = 2,2′-bipyridyl), have been hydrothermally synthesized and structurally characterized. X-ray structural analyses show that 1 is a rare tetralacunary Keggin anion of [B-β-GeW₈O₃₁]^10- substituted by copper complexes, while dimer 2 consists of two trilacunary [B-α-GeW ₉O₃₄]^10- Keggin units bridged by copper complexes. Magnetic measurement for 2 shows the presence of antiferromagnetic interactions within the dinuclear Cu²⁺ cations.

Original language	English
Pages (from-to)	616-618
Number of pages	3
Journal	Inorganic Chemistry
Volume	46
Issue number	3
DOIs	https://doi.org/10.1021/ic0618605
Publication status	Published - 5 Feb 2007
Externally published	Yes

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title = "Novel copper-complex-substituted tungstogermanates",

abstract = "Two copper-complex-substituted tungstogermanates [Cu5(2, 2′-bpy)6-(H2O)][GeW8O31] ·9H2O, 1, and {[Cu5(2,2′-bpy) 5(H2O)][GeW9O34]} 2· 7H2O, 2 (2,2′-bpy = 2,2′-bipyridyl), have been hydrothermally synthesized and structurally characterized. X-ray structural analyses show that 1 is a rare tetralacunary Keggin anion of [B-β-GeW8O31]10- substituted by copper complexes, while dimer 2 consists of two trilacunary [B-α-GeW 9O34]10- Keggin units bridged by copper complexes. Magnetic measurement for 2 shows the presence of antiferromagnetic interactions within the dinuclear Cu2+ cations.",

author = "Wang, {Chun Mei} and Zheng, {Shou Tian} and Yang, {Guo Yu}",

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journal = "Inorganic Chemistry",

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T1 - Novel copper-complex-substituted tungstogermanates

AU - Wang, Chun Mei

AU - Zheng, Shou Tian

AU - Yang, Guo Yu

PY - 2007/2/5

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N2 - Two copper-complex-substituted tungstogermanates [Cu5(2, 2′-bpy)6-(H2O)][GeW8O31] ·9H2O, 1, and {[Cu5(2,2′-bpy) 5(H2O)][GeW9O34]} 2· 7H2O, 2 (2,2′-bpy = 2,2′-bipyridyl), have been hydrothermally synthesized and structurally characterized. X-ray structural analyses show that 1 is a rare tetralacunary Keggin anion of [B-β-GeW8O31]10- substituted by copper complexes, while dimer 2 consists of two trilacunary [B-α-GeW 9O34]10- Keggin units bridged by copper complexes. Magnetic measurement for 2 shows the presence of antiferromagnetic interactions within the dinuclear Cu2+ cations.

AB - Two copper-complex-substituted tungstogermanates [Cu5(2, 2′-bpy)6-(H2O)][GeW8O31] ·9H2O, 1, and {[Cu5(2,2′-bpy) 5(H2O)][GeW9O34]} 2· 7H2O, 2 (2,2′-bpy = 2,2′-bipyridyl), have been hydrothermally synthesized and structurally characterized. X-ray structural analyses show that 1 is a rare tetralacunary Keggin anion of [B-β-GeW8O31]10- substituted by copper complexes, while dimer 2 consists of two trilacunary [B-α-GeW 9O34]10- Keggin units bridged by copper complexes. Magnetic measurement for 2 shows the presence of antiferromagnetic interactions within the dinuclear Cu2+ cations.

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Novel copper-complex-substituted tungstogermanates

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