Metal Organic Frameworks Assembled from Y(III), Na(I), and Chiral Flexible-Achiral Rigid Dicarboxylates
authors Amghouz, Z; Roces, L; Garcia-Granda, S; Garcia, JR; Souhail, B; Mafra, L; Shi, FN; Rocha, J
nationality International
journal INORGANIC CHEMISTRY
keywords EARTH COORDINATION POLYMERS; ADSORPTION PROPERTIES; SUPERCONDUCTIVE MATERIALS; LUMINESCENT PROPERTIES; GAS-ADSORPTION; HYDROGEN ADSORPTION; CRYSTAL-STRUCTURE; CARBOXYLIC-ACIDS; BUILDING-BLOCKS; POROUS MATERIAL
abstract New chiral metal organic frameworks, assembled from Y(III), Na(I), and chiral flexible-achiral rigid dicarboxylate ligands, formulated as [NaY(Tart)(BDC)(H(2)O)(2)] (1) and [NaY(Tart)(biBDC)(H(2)O)(2)] (2) (H(2)Tart = Tartaric acid; H(2)BDC = Terephthalic acid; H(2)biBDC = Biphenyl-4,4'-dicarboxylic acid), were obtained as single phases under hydrothermal conditions. Their structures were solved by single-crystal X-ray diffraction (XRD), and characterized by (13)C CPMAS NMR, thermal analyses (thermogravimetry-mass spectrometry (TG-MS) and differential scanning calorimetry (DSC)), and X-ray thermodiffractometry. Both compounds crystallize in the orthorhombic chiral space group C222(1) with a = 6.8854(2) angstrom, b = 30.3859(7) angstrom, c = 7.4741(2) angstrom for 1, and a = 6.8531(2) angstrom, b = 39.0426(8) angstrom, c = 7.4976(2) angstrom for 2.1 and 2 are layered structures whose three-dimensional stability is ensured by strong hydrogen bond interactions. The dehydration of both compounds is accompanied by phase transformation, while the spontaneous rehydration process is characterized by different kinetics, fast in the case of 1 and slow for 2.
publisher AMER CHEMICAL SOC
issn 0020-1669
year published 2010
volume 49
issue 17
beginning page 7917
ending page 7926
digital object identifier (doi) 10.1021/ic100867w
web of science category Chemistry, Inorganic & Nuclear
subject category Chemistry
unique article identifier WOS:000281231800045
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