Journal
CRYSTAL GROWTH & DESIGN
Volume 9, Issue 2, Pages 1028-1035Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cg800848n
Keywords
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Funding
- Major State Basic Research Development Program [2006CB806104, 2007CB925103]
- National Science Fund for Distinguished Young Scholars of China [20725104]
- National Natural Science Foundation of China [20721002]
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A series of 3d-4f heterometallic coordination polymers {[CuLn(2)(pdc)(2)(SO4)(H2O)(6)]center dot H2O}(n) (Ln = Tb (1), Dy (2); H(3)pdc = 3,5-pyrazoledicarboxylic acid), {[CuLn(2)(pdc)(2)(SO4)(H2O)(4)]center dot H2O}(n) (Ln = Sm (3), Eu (4), Gd (5), Th (6), Dy (7)) have been hydrothermally synthesized and structurally characterized. The sulfate anions were in situ obtained from oxidation of CuSCN during the reaction. Complexes 1-7 are all constructed from pyrazole-bridged Cu(II)Ln(III) dinuclear units and sulfate anions. Complexes 1 and 2 are isostructural and possess an infinite double-stranded tapelike I D coordination framework. However, complexes 3-7 are interesting 3d-4f heterometallic coordination polymers with similar 3D framework structures. The magnetic properties of compounds 2, 4-6 have been investigated through the magnetic measurements over the temperature range of 1.8-300 K.
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