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The reaction of AgClO 4 with acyclic potential tridentate N,N,N',N',N"-pentamethyldiethylenetriamine (pmdeta) has given colorless crystals suitable for X-ray crystallography. The crystal structure (P2 1 /n, a = 14.413(1) A, b = 25.270(2) A, c = 16.130(1) A, b = 103.012(1)°, V= 5723.7(8) A 3 , Z= 4, R = 0.0349) has been solved and refined. Three silver(I) ions connect four pmdeta ligands to produce discrete complex of [Ag 3 (pmdeta) 4 ](ClO 4 ) 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. 13 C NMR and MAS 13 C 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.

Coordination Modes and Properties of Ag(I) Complex with N,N,N',N',N''-Pentamethyldiethylenetriamine