without changing your settings we'll assume you are happy to receive all RSC cookies.
You can change your cookie settings by navigating to our Privacy and Cookies page and following the instructions. These instructions
are also obtainable from the privacy link at the bottom of any RSC page.
A new ligand family based on picoline, bipyridine and terpyridine containing a nitro moiety has been synthesized and its coordination and sensitization ability for lanthanide ions has been studied. Three new complexes were characterized by X-ray single crystal diffraction and all three show uncommon coordination of the nitro moiety to the lanthanide ion. 5cTb, a terpyridine-nitro derivative with Tb(NO3)3, crystallizes in the orthorhombic space group Pbca with a = 15.125(3), b = 13.776(3), c = 18.716(4) Å, and V = 3899.8(13) Å3 and is isostructural with its Eu(III) analog (5cEu) with cell parameters a = 15.1341(4), b = 13.7070(4), c = 18.8277(5) Å. 6Eu, a tripodal amine with a nitro-derivatized pyridine with Eu(CF3SO3)3, crystallizes in the triclinic space group P with a = 11.067(2), b = 11.633(2), c = 12.772(3) Å, α = 110.94(3), β = 97.49(3), γ = 91.42(3)° and V = 1518.1(5) Å3. Finally, ligand 5a, a bipyridine-nitro derivative, crystallizes in the orthorhombic space group P21/n with a = 3.7128(3), b = 11.7806(8), c = 19.9856(14) Å, β = 92.925(2)° and V = 873.01(11) Å3. All four ligands show sensitization of Eu(III) and Tb(III) luminescence.
Fetching data from CrossRef. This may take some time to load.