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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 27, Number 7
BKCSDE 27(7)
July 20, 2006 

Coordination Modes and Properties of Ag(I) Complex with N,N,N',N',N''-Pentamethyldiethylenetriamine
In Sung Chun, Jung Ah Kwon, Myung Nam Bae, Shim Sung Lee, Ok-Sang Jung*
Coordination mode, MAS 13C NMR, N,N,N',N',N''-Pentamethyldiethylenetriamine, Silver(I) complex
The reaction of AgClO4 with acyclic potential tridentate N,N,N',N',N''-pentamethyldiethylenetriamine (pmdeta) has given colorless crystals suitable for X-ray crystallography. The crystal structure (P21/n, a = 14.413(1) A, b = 25.270(2) A, c = 16.130(1) A, b = 103.012(1)o, V = 5723.7(8) A3, Z = 4, R = 0.0349) has been solved and refined. Three silver(I) ions connect four pmdeta ligands to produce discrete complex of [Ag3(pmdeta)4](ClO4)3. A pmdeta ligand is bridged to three silver(I) ions, and three other pmdeta ligands are chelated to each silver(I) center in a tridentate mode. Thus, the product is a rare tri-nuclear silver(I) complex with two different chemical environments. 13C NMR and MAS 13C NMR indicate that the tri-nuclear silver(I) complex is not rigid in solution. The contact angles and thermal analyses of the complex are measured and discussed.
1005 - 1008
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