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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 24, Number 7
BKCSDE 24(7)
July 20, 2003 

Two-Dimensional Nickel Coordination Polymers: Ni(OBC)(bipyen)]·H2O and [Ni(NDC)(bipyen)(H2O)] (NDC = 2,6-Naphthalenedicarboxylate; OBC = 4,4'-Oxybis(benzoate); bipyen = trans-1,2-Bis(4-pyridyl)ethylene)
Yeon Kyoung Lee, Soon W. Lee
De-coordination and re-coordination, An undulated 2-D network
Hydrothermal reactions of Ni(NO3)2·6H2O with trans-1,2-bis(4-pyridyl)ethylene (bipyen), in the presence of a linear 2,6-naphthalene dicarboxylic acid (NDCH2) and a bent 4,4'-oxybis(benzoic acid) (OBCH2), gave a 2-D coordination polymer [Ni(NDC)(bipyen)(H2O)] (1) and also a 2-D coordination polymer [Ni(OBC)(bipyen)]· H2O (2), respectively. A reversible de-coordination and re-coordination of an aqua ligand was observed for polymer 1. Polymer 2 has an undulated 2-D network based on 50-membered rectangular grids, each of which has the dimension of 13.61 ´ 13.17 A.
906 - 910
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