Combination of lacunary polyoxometalates and high-nuclear transition-metal clusters under hydrothermal conditions. 5. A novel tetrameric cluster of [{FeIIFeIII123-OH) 124-PO4)4}(B-α-PW 9O34)4]22-

Jun Wei Zhao, Jie Zhang, Shou Tian Zheng, Guo Yu Yang*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

89 Citations (Scopus)

Abstract

A novel tetrameric cluster, (enH2)3.5H 15[{FeIIFeIII123-OH) 124-PO4)4}(B-α-PW 9O34)4]·83H2O (1; en = ethylenediamine), has been hydrothermally synthesized and characterized by IR, optical diffuse reflectance, thermogravimetric analysis, and single-crystal X-ray diffraction. The skeleton of 1 is composed of four tri-Fe III-substituted [FeIII33-OH) 3(B-α-PW9O34)]3- Keggin moieties fused together through a FeII2O2 unit and four μ4-PO4 bridges, resulting in a unique tetramer with C2 symmetry. Magnetic measurements indicate that 1 reveals the antiferromagnetic interactions between FeII and FeIII centers.

Original languageEnglish
Pages (from-to)10944-10946
Number of pages3
JournalInorganic Chemistry
Volume46
Issue number26
DOIs
Publication statusPublished - 24 Dec 2007
Externally publishedYes

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