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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

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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 which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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