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Dalton Trans. 2013 Jul 14;42(26):9505-12. doi: 10.1039/c3dt50173f. Epub 2013 May 14.

Assembling 1D magnetic chain based on octacyanotungstate(V) and [Cu2L2Ln] sub-building units (Ln = Eu, Gd, Tb and Dy).

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  • 1State Key Lab of Coordination Chemistry and School of Chemistry and Chemical Engineering, Nanjing University, Hankou Road 22, Nanjing, 210093, P. R. China.

Abstract

Reaction of (NBu3H)3[W(CN)8]┬ĚH2O and linear trinuclear complexes [Cu(II)2L2Ln(III)(NO3)3] (L = 2,6-di(acetoacetyl)pyridine, Ln = Eu (1), Gd (2), Tb (3) and Dy (4)) leads to the formation of four one-dimensional (1D) complexes. Single crystal X-ray analysis reveals that [W(CN)8](3-) bridges between the [Cu(II)2L2Ln(III)] sub-building units to construct the alternative chains. Magnetic investigation indicates that ferromagnetic interaction occurred between all paramagnetic ions and the slow magnetic relaxation properties were observed in complexes 3 and 4.

PMID:
23673773
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