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Polymers 2011, 3(4), 1934-1943; doi:10.3390/polym3041934
Article

Synthesis and Characterization of Novel Copper(II) 2D Coordination Polymers from a Fluorinated Flexible Ligand with Remarkable Clathration Ability

 and
*
Department of Science Education, Miyagi University of Education, 149 Aoba, Aramaki, Aoba-ku, Sendai 980-0845, Japan
* Author to whom correspondence should be addressed.
Received: 25 September 2011 / Revised: 18 October 2011 / Accepted: 31 October 2011 / Published: 7 November 2011
(This article belongs to the Special Issue Coordination Polymers)
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Abstract

Two-dimensional (2D) grid coordination polymers were prepared by the reaction of 1,4-bis(4-pyridylmethyl)tetrafluorobenzene (bpf) with Cu(NO3)2 in the presence of aromatic compounds. Crystal structures of {[Cu(bpf)2(NO3)2]·(biphenyl)2}n (1), {[Cu(bpf)2(NO3)2]·(m-C6H4(OMe)2)2}n (2), {[Cu(bpf)2(NO3)2]·PhtBu}n (3) and {[Cu(bpf)2(NO3)(H2O)]NO3·(bpf)0.5}n (4) were determined. The grid networks were held together by C–H···O and C–H···F hydrogen bonds via the NO3 anions and the tetrafluorophenylene rings of bpf, respectively. Biphenyl, m-dimethoxybenzene, t-butylbenzene, and bpf molecules were clathrated in cyclic cavities of the grid networks through arene-perfluoroarene interactions. These coordination networks have remarkable clathration ability for aromatic compounds.
Keywords: porous coordination networks; metal-organic frameworks; X-ray crystal structure porous coordination networks; metal-organic frameworks; X-ray crystal structure
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Beni, T.; Kasai, K. Synthesis and Characterization of Novel Copper(II) 2D Coordination Polymers from a Fluorinated Flexible Ligand with Remarkable Clathration Ability. Polymers 2011, 3, 1934-1943.

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