titoli, abstracts, parole chiave >>>
A 2-D coordination polymer incorporating cobalt(II), 2-sulfoterephthalate and the flexible bridging ligand 1,3-di(4-pyridyl)propane

Datta, Amitabha and Das, Kuheli and Massera, Chiara and Clegg, Jack K. and Pfrunder, Michael C. and Garribba, Eugenio and Huang, Jui-Hsien and Sinha, Chittaranjan and Maji, Tapas Kumar and Akitsug, Takashiro and Oritag, Shingo (2015) A 2-D coordination polymer incorporating cobalt(II), 2-sulfoterephthalate and the flexible bridging ligand 1,3-di(4-pyridyl)propane. Inorganic chemistry frontiers, Vol. 2 (2), p. 157-163. eISSN 2052-1553. Article.

Full text not available from this repository.

DOI: 10.1039/C4QI00201F

Abstract

The cobalt derivative {[Co3(2-stp)2(dpp)4]·2H2O}n (1) has been hydro(solvo)thermally synthesised by combining sodium 2-sulfoterephthalic acid (2-stpH2Na) and divalent cobalt nitrate in presence of the flexible N-donor co-ligand dpp (1,3-di(4-pyridyl)propane). Single-crystal X-ray diffraction shows that 1 is a two-dimensional coordination polymer with carboxylate and sulfonate oxygens and pyridyl nitrogens coordinated to the two symmetry independent octahedral cobalt(II) centres. UV-Vis, magnetic and EPR studies show that the cobalt(II) centres are high-spin. Compound 1 proved to be robust to the removal of the solvent water molecules, which was achieved by heating the sample to yield the desolvated complex {[Co3(2-stp)2(dpp)4]}n (2). 2 was also characterised by single-crystal X-ray diffraction at 331 K. Gas sorption studies on this material showed only surface binding of N2 and modest uptake for CO2. The crystallographic analysis also shows that upon desolvation, the flexible propyl groups of the dpp ligand adjust their positions, reducing the potentially accessible void volumes and accounting for the gas adsorption results.

Item Type:Article
ID Code:10728
Status:Published
Refereed:Yes
Uncontrolled Keywords:Cobalt(II), 2-sulfoterephthalate, 1,3-di(4-pyridyl)propane
Subjects:Area 03 - Scienze chimiche > CHIM/03 Chimica generale e inorganica
Divisions:001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Chimica e Farmacia
Publisher:RSC Publications
eISSN:2052-1553
Copyright Holders:© the Partner Organisations 2014
Deposited On:30 Jan 2015 14:07

I documenti depositati in UnissResearch sono protetti dalle leggi che regolano il diritto d'autore

Repository Staff Only: item control page