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首页> 外文期刊>Bulletin of the Chemical Society of Japan >Triply Interpenetrated Structure of {Mn~(II)(L)2[Ag~I(CN)2]2}-{Mn~(II)(H2O)2[Ag~I(CN)2]2} (L = 4-CNpy or py-4-aldoxime)
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Triply Interpenetrated Structure of {Mn~(II)(L)2[Ag~I(CN)2]2}-{Mn~(II)(H2O)2[Ag~I(CN)2]2} (L = 4-CNpy or py-4-aldoxime)

机译:{Mn〜(II)(L)2 [Ag〜I(CN)2] 2}-{Mn〜(II)(H2O)2 [Ag〜I(CN)2] 2}的三重互穿结构(L = 4-CNpy或py-4-aldoxime)

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摘要

Two novel 3D network coordination polymers {Mn(L)2[Ag(CN)2]2}{Mn(H2O)2[Ag(CN)2]2} (L = 4-CNpy (1) or py-4-aldoxime (2)) (4-CNpy = 4-cyanopyridine; py-4-aldoxime = pyridine-4-aldoxime) were synthesized and characterized by using single-crystal X-ray analysis and magnetic measurements. Both complexes have two distinct octahedral manganese atoms, Mn(1) and Mn(2), linked by a [Ag(CN)2]~- unit. The pyridine ring of two Ls coordinate at the apical positions of Mn(1). On the other hand, at the apical positions of Mn(2), two H2O are coordinated. The apical axis of Mn(1) is not parallel to the apical axis of Mn(2). Therefore, {Mn[Ag(CN)2]2} networks in 1 and 2 are distorted and form three-dimensional (3D) frameworks. There are large channels in the 3D networks; however, triple interpenetration was found in 1 and 2. From the temperature dependence of magnetic susceptibility, there is very weak antiferromagnetic interaction between the Mn atoms bridged by a [Ag(CN)2]~- unit in 1 and 2.
机译:两种新型3D网络配位聚合物{Mn(L)2 [Ag(CN)2] 2} {Mn(H2O)2 [Ag(CN)2] 2}(L = 4-CNpy(1)或py-4-醛肟(2))(4-CNpy = 4-氰基吡啶; py-4-aldoxime =吡啶-4-醛肟)并通过单晶X射线分析和磁测量进行表征。两种配合物都有两个不同的八面体锰原子Mn(1)和Mn(2),由[Ag(CN)2]〜-单元连接。两个Ls的吡啶环在Mn(1)的顶端位置配位。另一方面,在Mn(2)的顶端位置,两个H2O相互配合。 Mn(1)的顶轴不平行于Mn(2)的顶轴。因此,{Mn [Ag(CN)2] 2}网络在1和2中是扭曲的,并形成三维(3D)框架。 3D网络中存在大量频道;然而,在1和2中发现了三重互穿。从磁化率的温度依赖性来看,在1和2中由[Ag(CN)2]〜-单元桥接的Mn原子之间的反铁磁相互作用非常弱。

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