Syntheses, crystal structures and magnetic properties of two novel layered compounds:: [Fe3(C2O4)3(4,4′-bpy)4] and [Co(C2O4)-(4,4′-bpy)] (4,4′-bpy=4,4′-bipyridine)

被引：130
|
作者：
Zheng, LM [1 ]
Fang, X
Lii, KH
Song, HH
Xin, XQ
Fun, HK
Chinnakali, K
Razak, IA
机构：
[1] Nanjing Univ, Inst Coordinat Chem, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China
[2] Acad Sinica, Inst Chem, Taipei, Taiwan
[3] Univ Sains Malaysia, Sch Phys, Xray Crystallog Unit, Penang 11800, Malaysia
来源：
JOURNAL OF THE CHEMICAL SOCIETY-DALTON TRANSACTIONS | 1999年 / 14期
关键词：
D O I：
10.1039/a809738k
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The combination of 4,4'-bipyridine (4,4'-bpy) and oxalate ligands has resulted in the formation of two novel layered compounds [Fe-3(C2O4)(3)(4,4'-bpy)(4)] 1 and [Co(C2O4)(4,4'-bpy)] 2. Both compounds exhibit two-dimensional layer structures. That of 1 consists of iron(II) oxalate chains, with the terminal and the bridging 4,4'-bpy stacking alternately between the chains. The structure of 2 contains linear chains of cobalt(II) oxalate which are cross-linked by 4,4'-bpy molecules in a perpendicular manner, leading to square grid sheets with rectangular windows. Magnetic measurements reveal that weak antiferromagnetic interactions are mediated in both compounds.
引用
收藏
页码：2311 / 2316
页数：6
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