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Issue 93, 2004

Open-shell channel-like salts formed by the supramolecular assembly of a tricarboxylated perchlorotriphenylmethyl radical and a [Co(bpy)3]2+cation

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Abstract

The crystal structure of two open-framework ionic salts, namely [Co(bpy)3]3[PTMTC]2·(7 + x)H2O (1) and [Co(bpy)3][PTMTCH]·29.5H2O (2), formed by the supramolecular arrangement of a polycarboxylate perchlorinated triphenylmethyl radical and a [Co(bpy)3]2+ cation have been determined. The absence of interpenetration in both frameworks shows large solvent-filled nanochannels with different shapes and sizes. The dimensions of these channels are 11 × 23 and 7 × 12 Å in 1 and 2, respectively. Furthermore, since both building blocks have a paramagnetic character, salts 1 and 2 present magnetic properties reflected by the presence of weak antiferromagnetic interactions.

Graphical abstract: Open-shell channel-like salts formed by the supramolecular assembly of a tricarboxylated perchlorotriphenylmethyl radical and a [Co(bpy)3]2+ cation

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Article information


Submitted
15 Jul 2004
Accepted
15 Oct 2004
First published
27 Oct 2004

CrystEngComm, 2004,6, 573-578
Article type
Paper

Open-shell channel-like salts formed by the supramolecular assembly of a tricarboxylated perchlorotriphenylmethyl radical and a [Co(bpy)3]2+ cation

D. Maspoch, D. Ruiz-Molina, K. Wurst, G. Vaughan, N. Domingo, J. Tejada, C. Rovira and J. Veciana, CrystEngComm, 2004, 6, 573
DOI: 10.1039/B410810H

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