Coordination networks incorporating halogen-bond donor sites and azobenzene groups

Francisco Fernandez-Palacio, Marco Saccone, Arri Priimagi, Giancarlo Terraneo, Tullio Pilati, Pierangelo Metrangolo, Giuseppe Resnati

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Two Zn coordination networks, {[Zn(1)(Py)2]2(2-propanol)}n (3) and {[Zn(1)2(Bipy)2](DMF)2}n (4), incorporating halogen-bond (XB) donor sites and azobenzene groups have been synthesized and fully characterized. Obtaining 3 and 4 confirms that it is possible to use a ligand wherein its coordination bond acceptor sites and XB donor sites are on the same molecular scaffold (i.e., an aromatic ring) without interfering with each other. We demonstrate that XBs play a fundamental role in the architectures and properties of the obtained coordination networks. In 3, XBs promote the formation of 2D supramolecular layers, which, by overlapping each other, allow the incorporation of 2-propanol as a guest molecule. In 4, XBs support the connection of the layers and are essential to firmly pin DMF solvent molecules through I⋯O contacts, thus increasing the stability of the solvated systems.

Lingua originaleInglese
pagine (da-a)2251-2257
Numero di pagine7
RivistaCrystEngComm
Volume18
Numero di pubblicazione13
DOI
Stato di pubblicazionePubblicato - 7 apr 2016
Pubblicato esternamente

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