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Hydrogen-Bonded Ion-Pair Complexes [Ln(DMA) 4(H2O)3][Cr(CN)6] 2H2O (Ln = Sm, Gd; DMA = N,N-Dimethylacetamide): Crystal Structures and Magnetic Properties

B. Yan, S. Xx. Wang, and Z. D. Chen

State Key Laboratory of Rare Earth Material Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China

 

E-mail: zdchen@pku.edu.cn

Abstract: Two novel ion-pair complexes: [Ln(DMA) 4(H2O)3][Cr(CN)6] 2H2O (Ln = Sm, Gd; DMA = dimethylacetamide) have been synthesized. X-Ray crystal diffraction analyses reveal that these two complexes form hydrogen-bonded structure through CN group and H2O molecules. Variable temperature susceptibility for the GdCr complex indicates the weak antiferromagnetic interactions between cation and anion pairs through a hydrogen-bonded network.

Full paper in Portable Document Format: 555a279.pdf

 

Chemical Papers 55 (5) 279–284 (2001)

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