二水合（2,2'-联吡啶-κN,N'）双（碳酸根-κO,O'）钴（III）酸钾
Potassium (2,2'-bipyridine-κN,N')bis-(carbonato-κO,O')cobaltate(III) dihydrate.
作者信息
Wang Jian-Fei, Lin Jian-Li
机构信息
State Key Lab. Base of Novel Functional Materials and Preparation Science, Center of Applied Solid State Chemistry Research, Ningbo University, Ningbo, Zhejiang, 315211, People's Republic of China.
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2010 Sep 30;66(Pt 10):m1310. doi: 10.1107/S1600536810037463.
In the title compound, K[Co(CO(3))(2)(C(10)H(8)N(2))]·2H(2)O, the Co(III) atom is coordinated by two bipyridine N atoms and four O atoms from two bidentate chelating carbonate anions, and thus adopts a distorted octa-hedral N(2)O(4) environment. The Co(bipy)(CO(3))(2) (bipy is 2,2'-bipyridine) -units are stacked along [100] via π-π stacking inter-actions, with inter-planar distances between the bipyridine rings of 3.36 (4) and 3.44 (6) Å, forming chains. Classical O-H⋯O hydrogen-bonding inter-actions link the chains, forming channels along (100) in which the K(+) ions reside and leading to a three-dimensional supra-molecular architecture.
在标题化合物K[Co(CO₃)₂(C₁₀H₈N₂)]·2H₂O中，Co(III)原子由两个联吡啶N原子和来自两个双齿螯合碳酸根阴离子的四个O原子配位，因此呈现出扭曲的八面体N₂O₄环境。[Co(bipy)(CO₃)₂]⁻（bipy为2,2'-联吡啶）单元通过π-π堆积相互作用沿[100]方向堆积，联吡啶环之间的平面间距为3.36(4) Å和3.44(6) Å，形成链状结构。经典的O-H⋯O氢键相互作用连接这些链，沿着(100)方向形成通道，K⁺离子位于其中，从而形成三维超分子结构。
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