Analytical Sciences


Abstract − Analytical Sciences, 19(6), 967 (2003).

Crystal Structure of (1,10-Phenanthroline-N,N')(1,4,7,10-tetraazacyclododecane-N,N',N'',N''')nickel(II) Diperchlorate
Yung-Chan LIN,* Tian-Huey LU,** Fen-Ling LIAO,* and Chung-Sun CHUNG* 
*Department of Chemistry, National Tsing Hua University, Hsinchu, Taiwan 300, R. O. C.
**Department of Physics, National Tsing Hua University, Hsinchu, Taiwan 300, R. O. C.
The crystal structure of the title compound, [Ni(C8H20N4)(C12H8N2)](ClO4)2, has been determined by X-ray diffraction. The Ni(II) ion is six coordinated with four nitrogen atoms of the tetradentate macrocyclic ligand and two nitrogen atoms of the bidentate ligand in a distorted octahedron geometry. The folded tetradentate macrocyclic ligand adopts a configuration having four five-membered chelate rings in distorted eclipsed conformations. The four hydrogen atoms of the amine groups of the macrocyclic ligand are on the same side towards the bidentate ligand.