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Two bimetallic W(IV)-Mn(II) complexes based on octacyanometallates: structures and magnetic properties

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Abstract

Two cyano-bridged heterobimetallic coordination polymers, [{Mn(dpa)2}2W(CN)8·CH3CN·4H2O] n (1) (dpa = 2,2′-dipyridylamine) and [Mn2(H2O)4{W(CN)8}·3H2O] n (2), have been synthesized and characterized structurally and magnetically. X-ray analysis shows that complex 1 is a one-dimensional (1-D) polymer of W2(CN)4Mn2 square units in which adjacent square fragments are interlinked by sharing [W(CN)8]4− moieties to form an infinite chain. Complex 2 is a three-dimensional (3-D) polymer, which shows an unforeseen structure, exhibiting a 3-D open network with a 1-D channel (ca.13.21 Å × 11.82 Å). Fitting of the magnetic properties indicates that both polymers exhibit weakly antiferromagnetic interactions between the adjacent Mn ions.

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Authors and Affiliations

  1. State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China

    BaoLin Liu, HongPing Xiao, You Song & XiaoZeng You

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  1. BaoLin Liu
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  2. HongPing Xiao
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  3. You Song
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  4. XiaoZeng You
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Correspondence to You Song.

Additional information

Supported by the National Natural Science Foundation of China (Grant Nos. 20771057, 20721002 and 20631030), and the Major State Basic Research Development Program (Nos. 2006CB806104 and 2007CB925102)

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Liu, B., Xiao, H., Song, Y. et al. Two bimetallic W(IV)-Mn(II) complexes based on octacyanometallates: structures and magnetic properties. Sci. China Ser. B-Chem. 52, 1801–1807 (2009). https://doi.org/10.1007/s11426-009-0246-1

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  • DOI: https://doi.org/10.1007/s11426-009-0246-1

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