Carboxylate-bridged copper(II)-lanthanicle(III) complexes [{Cu3Ln2(oda)6(H2O)6} • 12H2O]n (Ln = Dy, Ho, Er, Y; oda = oxydiacetate)

被引:69
|
作者
Rizzi, AC
Calvo, R
Baggio, R
Garland, MT
Peña, O
Perec, M
机构
[1] Univ Nacl Litoral, Dept Fis, Fac Bioquim & Ciencias Biol, RA-3000 Santa Fe, Argentina
[2] UNL, CONICET, INTEC, RA-3000 Santa Fe, Argentina
[3] Comis Nacl Energia Atom, Dept Fis, RA-1429 Buenos Aires, DF, Argentina
[4] Univ Chile, Fac Ciencias Fis & Matemat, Dept Fis, Santiago, Chile
[5] Univ Rennes 1, CNRS, UMR 6511, LCSIM, F-35042 Rennes, France
[6] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Quim Inorgan Anal & Quim Fis, INQUIMAE, RA-1428 Buenos Aires, DF, Argentina
关键词
D O I
10.1021/ic025754o
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The hydrothermal reaction of Ln(2)O(3) (Ln = Dy and Ho), Cu(OAC)(2).2H(2)O, and oxydiacetic acid in the approximate mole ratio of 1:3:8 resulted in the formation of two new members of the isostructural series of polymers formulated as [{Cu(3)Ln(2)(oda)(6)(H2O)(6)}.12H(2)O](n), crystallizing in the hexagonal crystal system, space group P6/mcc (No. 192). Temperature-dependent magnetic susceptibilities and EPR spectra are reported for the heterometallic compounds Cu-Dy 1, Cu-Ho 2, Cu-Er 3, and Cu-Y 4. The results are discussed in terms of the structure of the compounds, the electronic properties of the lanthanide ions, and the exchange interactions between the magnetic ions.
引用
收藏
页码:5609 / 5614
页数:6
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