期刊
INORGANICA CHIMICA ACTA
卷 324, 期 1-2, 页码 293-299出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/S0020-1693(01)00621-1
关键词
one-dimensional coordination polymers; antiferromagnetic coupling
The hydrothermal reaction of Cu(NO3)(2).2.5H(2)O with 2,5-pyridinedicarboxylic acid (2,5-PDCH2) led to the formation of a one-dimensional coordination polymer with the empirical formula of Cu(2,5-PDC)(H2O) (1). On the other hand, the hydrothermal reaction of Cu(NO3)(2).2.5H(2)O with 2,4-pyridinedicarboxylic acid (2,4-PDCH2) gave a mononuclear Cu(II) compound Cu(2,4-PDC)(2) (2). The structures of both compounds have been determined by X-ray diffraction. In both compounds, the coordination sphere of the Cu metal is square-planar. The polymer 1 exhibits strong antiferromagnetic coupling between the paramagnetic Cu(II) metals in the adjacent layers even in the absence of intervening groups. (C) 2001 Elsevier Science B.V. All rights reserved.
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