Issue 14, 2000
From the journal:

Journal of the Chemical Society, Dalton Transactions

Novel layered structures constructed from metal(II)–chloranilate monomer compounds

Satoshi Kawata,*a   Hitoshi Kumagai,a   Keiichi Adachia  and  Susumu Kitagawaa  

* Corresponding authors

a Department of Chemistry, Shizuoka University, Shizuoka, Japan
E-mail: scskawa@ipc.shizuoka.ac.jp

b Graduate School of Engineering, Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Yoshida, Sakyo-ku, Kyoto, Japan

c Institute for Molecular Science, Myoudaiji, Okazaki, Aichi, Japan

Abstract

The new copper(II) and cobalt(II) assembled compounds {(G)2[M(CA)2(H2O)2]}n (M = Cu2+, Co2+; H2CA = chloranilic acid; G = 4-hydroxypyridinium cation (4-pyOH2+), 3-hydroxypyridinium cation (3-pyOH2+)) have been synthesized and characterized. In every compound two chloranilate dianions and two water molecules are coordinated to the metal ion making dianionic monomers, [M(CA)2(H2O)2]2−. The coordination environment around the metal ion is a distorted octahedron, where two water molecules sit in a trans position to each other. [M(CA)2(H2O)2]2− anions form anionic layer structures (1, 3) and an anionic chain structure (2) by using hydrogen bonding interactions. The cations are introduced between the {[M(CA)2(H2O)2]2−}l layers or chains, which are supported by both the hydrogen bonding interaction and the electrostatic interaction between the organic cations and the complexes. In compounds 1 and 3, the organic cations are stacked on each other to form a segregated columnar structure between the {[M(CA)2(H2O)2]2−}l layers. On the other hand, in compound 2, the cations are included in a cage as a dimer. The cage is constructed by the chlorine atoms of CA2− dianions of the chains and the organic cations are anchored to the chain by the hydrogen bonding interactions.

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Article information

DOI
https://doi.org/10.1039/B001822H
Article type
Paper
Submitted
07 Mar 2000
Accepted
31 May 2000
First published
30 Jun 2000

J. Chem. Soc., Dalton Trans., 2000, 2409-2417

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Novel layered structures constructed from metal(II)–chloranilate monomer compounds

S. Kawata, H. Kumagai, K. Adachi and S. Kitagawa, J. Chem. Soc., Dalton Trans., 2000, 2409 DOI: 10.1039/B001822H

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