Citation: Jing Min SHI, Dai Zheng LIAO, Peng CHENG, Zong Hui JIANG, Geng Lin WANG, Xin Kan YAO, Hong Gen WANG. SYNTHESIS, CRYSTAL STRUCTURE AND MAGNETISM OF THE COMPLEX:GdFe(CN)₆·4H₂O[J]. Chinese Chemical Letters, ;1995, 6(9): 831-832. shu

SYNTHESIS, CRYSTAL STRUCTURE AND MAGNETISM OF THE COMPLEX:GdFe(CN)₆·4H₂O

a Department of Chemistry, Nankai University, Tianjin 300071;
b Center of Laboratory, Nankai University, Tianjin 300071

Received Date: 20 January 1995

Fund Project: Financial support through grants from the National Natural Science Foundation of China and the Science Foundation of Education of Committee of China is gratefully acknowledged.

a novel three dimensional network complex polymer, namely, GdFe(CN)₃)·4H₂O, has been synthesized from a water solution of gadollinium chloride and potassium ferricyanide.The complex crystallized in the monoclinic system, space group c₂, with a=12.759(6), b=7.404(1), c=13.654(5)A, s=4, β=90.22(3), Mr=441.33, Dc=2.28g/cm², μ(Mo K_∞))=38.36cm^-1, F(000)=832, R=0.065 for 1048 independent observed reflections.The coordinated environment of Fe(Ⅲ) ion and Gd(Ⅲ) ion are distorted octahedron and 4-capped trigonal prism, respectively.The variable-temperature magnetic susceptibility of the complex was measured over 4.2-300K, giving the exchange integral 2J=-138.2cm^-1 and indicating that a mediate antiferromagnetic spin-exchange interaction between the Fe (Ⅲ) ions and the Gd(Ⅲ) ions within each binuclear unit.
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