A new trinuclear cobalt(II) complex: decaaqua-1kappa3O,2kappa4O,3kappa3O-bis(benzene-1,3,5-tricarboxylato)-1kappaO,3kappaO-di-mu-4,4'-bipyridine-1:2kappa2N:N';2:3kappa2N:N'-di-4,4'-bipyridine-1kappaN,3kappaN-tricobalt(II) 4,4'-bipyridine solvate octahydrate.
The principal building units in the title compound, [Co3(C9H3O6)2(C10H8N2)4(H2O)10].C10H8N2.8H2O, are the linear centrosymmetric tricobalt(II) complex molecules resulting from two square-pyramidal [Co(btc)(bpy)(H2O)3]- entities (bpy is 4,4'-bipyridine and btc is the benzene-1,3,5-tricarboxylate trianion) bridged by one trans-[Co(bpy)2(H2O)4]2+ unit. The trinuclear complex molecules are assembled into infinite chains through intermolecular O-H...N hydrogen bonds and pi-pi stacking interactions between adjacent monodentate bpy ligands. The chains and uncoordinated bpy molecules are further assembled into two-dimensional open layers, which are stacked in a staggered manner to give a three-dimensional supramolecular architecture with the solvent water molecules in the cavities.
Xie
Hong Zhen
HZ
State Key Laboratory Base of Novel Functional Materials and Preparation Science, Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, People's Republic of China.
Li
Zhi Feng
ZF
Zheng
Yue Qing
YQ