Abstract − Analytical Sciences, 19(4), 641 (2003).
Crystal Structure of (2,2'-Bipyridine-N,N')(2,2',2"-Triaminotriethylamine-N,N',N",N'")nickel(II) Diperchlorate
Yung-Chan LIN,** Tian-Huey LU,* Fen-Ling LIAO,** and Chung-Sun CHUNG**
*Department of Physics, National Tsing Hua University, Hsinchu, Taiwan 300, R. O. C.
**Department of Chemistry, National Tsing Hua University, Hsinchu, Taiwan 300, R. O. C.
**Department of Chemistry, National Tsing Hua University, Hsinchu, Taiwan 300, R. O. C.
An X-ray structure determination shows that the Ni(II) ion is a distorted six-coordinated octahedron by four nitrogen atoms of the tetradentate tren ligand constituting the equatorial square base, and by two nitrogen atoms of the bidentate bpy ligand in a cis position. The two six-membered rings of bpy are coplanar and almost pararell. The tetradentate ligand consists of three five-membered chelate rings in gauche coformations. The Ni-N(tren) bond lengths of this complex are almost equivalent to the reported values.
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