A Family of Flexible Lanthanide Bipyridinedicarboxylate Metal-Organic Frameworks Showing Reversible Single-Crystal to Single-Crystal Transformations
2012 (English)In: Crystal Growth & Design, ISSN 1528-7483, E-ISSN 1528-7505, Vol. 12, no 6, 3243-3249 p.Article in journal (Refereed) Published
A family of flexible lanthanide metal-organic frameworks, [Ln(2)(bpydc)(3)(H2O)(3)]center dot nDMF (denoted as SUMOF-6-Ln; Ln = Nd, Sm, Eu, Gd, Tb, Dy, Ho, and Er, H(2)bpydc =2,2'-bipyridine-5,5'-dicarboxylic acid), was synthesized and characterized. SUMOF-6-Ln has a monoclinic space group P2(1)/c. The three-dimensional framework contains chains of LnO(n) (n = 7-8) polyhedra connected through the bpydc linkers forming 1D rhombic channels along the c-axis. SUMOF-6-Ln showed reversible breathing phenomenon upon desorption/adsorption of the solvent, with up to 27% changes of the unit cell dimensions and 23% changes of the unit cell volume. Single crystal X-ray diffraction (XRD) revealed that the desolvation and resolvation of SUMOF-6-Ln occurred via single-crystal to single-crystal transformations. The thermal behavior of SUMOF-6-Sm was also examined. SUMOF-6-Eu and SUMOF-6-Tb showed solid-state luminescent properties.
Place, publisher, year, edition, pages
2012. Vol. 12, no 6, 3243-3249 p.
IdentifiersURN: urn:nbn:se:su:diva-79892DOI: 10.1021/cg300379uISI: 000304838000066OAI: oai:DiVA.org:su-79892DiVA: diva2:551804