2007
DOI: 10.1021/cg070043s
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Structural Versatility in Praseodymium Complexes of p-Sulfonatocalix[4]arene

Abstract: Addition of excess praseodymium(III) nitrate or perchlorate to aqueous solutions of sodium p-sulfonatocalix[4]arene (Na 5 SO 3 [4]) results in the formation of a 3-D coordination polymer and a 4:3 Pr/SO 3 [4] complex, respectively. Concentration of the solution containing crystals of the latter resulted in the dissolution and regrowth of crystals that were subsequently found to be a bilayer arrangement of SO 3 [4] containing perchlorate anions, therefore suggesting that concentration effects may be an importan… Show more

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Cited by 32 publications
(21 citation statements)
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“…Light violet, goldish yellow (or yellow) and light blue spheres represent Sc, Ln (all kind) and U atoms, respectively. H atoms, solvent molecules and guest molecules are not presented for sake of clarity.Adapted from Ref [39][40][41][42][43][44][45][46].…”
mentioning
confidence: 99%
“…Light violet, goldish yellow (or yellow) and light blue spheres represent Sc, Ln (all kind) and U atoms, respectively. H atoms, solvent molecules and guest molecules are not presented for sake of clarity.Adapted from Ref [39][40][41][42][43][44][45][46].…”
mentioning
confidence: 99%
“…Regretfully, there are no literature data on the crystal structure of the acid itself. All known calixarene salts have a layered structure [6][7][8][9][10][11][12][13][14][15].…”
Section: Methodsmentioning
confidence: 99%
“…In the past few decades, calix[4]arenes, especially water‐soluble calix[4]arene derivatives have attracted extensive attention, since they could be employed as versatile host molecules in supramolecular chemistry, [1–6] material science [7–9] and biological science [10−13] . Among them, p ‐sulfonatocalix[4]arene has been successfully synthesized and used in the construction of coordination complexes in both solution and the solid state [14–19] . Calix[4]resorcinarene, as a special subset of calix[4]arene, has been recognized to be an important class of supramolecular compounds with a bowl‐shaped aromatic cavity [20−22] .…”
Section: Introductionmentioning
confidence: 99%