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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 24, Number 8
BKCSDE 24(8)
August 20, 2003

Title	One-Dimensional Hydrogen-Bonded Infinite Chains Composed of a Nickel(II) Macrocyclic Complex and Organic Ligands
Author	Ki-Young Choi, Haiil Ryu, Kyu-Chul Lee, Han-Hyoung Lee, Choon-Pyo Hong, Jae-Hyun Kim, Nack-Do Sung
Keywords	Crystal structures, Nickel(II) complexes, Macrocycle, Organic ligands, Chain complexes
Abstract	The reactions of [Ni(L)(H2O)2]Cl2 (L = 2,5,9,12-tetramethyl-1,4,8,11-tetraazacyclotetradecane) with terephtalate (tp) and 2,5-pyridinedicarboxylate (pdc) generate one-dimensional nickel(II) complexes, [Ni(L)(H2O)2](tp)· 4H2O (1) and [Ni(L)(H2O)2](pdc)·4H2O (2). The structures have been characterized by X-ray crystallography, magnetic susceptibility and spectroscopy. The crystal structures of 1 and 2 show a distorted octahedral coordination geometry around the Ni(II) ion, with secondary amines of the macrocycle and two water molecules at the trans position. Complexes 1 and 2 display the one-dimensional hydrogen-bonded infinite chains. The magnetic behavior of all compounds exhibits weak interchain antiferromagnetic interactions with J values of -1.09(3) for 1 and -1.14(2) cm-1 for 2.
Page	1150 - 0
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