三水合三（吡啶 -2,6-二羧酸根）镝（III）三咪唑鎓盐
Triimidazolium tris-(pyridine-2,6-di-carboxyl-ato)dysprosate(III) trihydrate.
作者信息
Meng Lingzong, Duan Chaowen
机构信息
School of Chemistry & Environmental Resources, Linyi Normal University, Linyi 276005, People's Republic of China.
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2010 Sep 25;66(Pt 10):m1291-2. doi: 10.1107/S1600536810036421.
The structure of the title compound, (C(3)N(2)H(5))(3)[Dy(C(7)H(3)NO(4))(3)]·3H(2)O, contains a mononuclear Dy(III) complex with the rare earth metal cation in a distorted tricapped trigonal-prismatic environment. The Dy(III) ion is in each case O,N,O'-chelated by three tridentate pyridine-2,6-dicarboxyl-ate anions. Three protonated imidazole mol-ecules act as counter-cations and three lattice water mol-ecules are also present. Numerous N-H⋯O and O-H⋯O hydrogen bonding inter-actions, some of which are bifurcated, help to stabilize the packing of the structure.
标题化合物(C(3)N(2)H(5))(3)[Dy(C(7)H(3)NO(4))(3)]·3H(2)O的结构包含一个单核Dy(III)配合物，其中稀土金属阳离子处于扭曲的三帽三角棱柱环境中。Dy(III)离子在每种情况下均由三个三齿吡啶-2,6-二羧酸根阴离子进行O,N,O'-螯合。三个质子化的咪唑分子作为抗衡阳离子，并且还存在三个晶格水分子。大量的N-H⋯O和O-H⋯O氢键相互作用（其中一些是分叉的）有助于稳定结构的堆积。
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