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Issue 38, 2013
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Triple-meso helices as alcohol reservoirs and discriminators: structural properties and thermal behaviors of silver(I) coordination molecular braids containing diethylbis(4-pyridyl)silanes

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Abstract

Self-assembly of silver triflate with L in alcohol solvent produces characteristic triple-meso helices [Ag3(L)3(ROH)](CF3SO3)3 (L = diethylbis(4-pyridyl)silane; R = Me, Et, n-Pr, and n-Bu) with six units in each turn. Their unit cell volumes are sensitive to the size of the coordinated alcohol molecules. An unusual “alcohol molecules at triple-meso helices” system is a characteristic reversible alcohol container and discriminator via appropriate association/dissociation. The meso helical solids are favored in the order MeOH > EtOH > n-PrOH > n-BuOH via an interaction between the silver(I) ion and the alcohol molecule. The crystals evaporate the coordinated alcohol molecules at low temperatures, and finally calcination at 600 °C produces micro-sized chaotic surface materials consisting of silver(0) without silicon(IV) oxide.

Graphical abstract: Triple-meso helices as alcohol reservoirs and discriminators: structural properties and thermal behaviors of silver(i) coordination molecular braids containing diethylbis(4-pyridyl)silanes

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Publication details

The article was received on 29 May 2013, accepted on 04 Jul 2013 and first published on 04 Jul 2013


Article type: Paper
DOI: 10.1039/C3DT51398J
Citation: Dalton Trans., 2013,42, 13974-13980
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    Triple-meso helices as alcohol reservoirs and discriminators: structural properties and thermal behaviors of silver(I) coordination molecular braids containing diethylbis(4-pyridyl)silanes

    S. Y. Moon, E. Kim, T. H. Noh, Y. Lee and O. Jung, Dalton Trans., 2013, 42, 13974
    DOI: 10.1039/C3DT51398J

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