Chirality as a Feature of the Crystal Structure of Lanthanide Ion Complexes—Some Simple Examples

Lioubov I. Semenova, Irene Ling, Alexandre N. Sobolev

Research output: Contribution to journalArticlepeer-review

Abstract

Single-crystal X-ray structure determinations are reported for four lanthanide complexes, [Dy(bipy)2Cl2(OH2)2]Cl.H2O (bipy = 2,2′-bipyridine), 1; [La2(phen)2(O2CCH3)4(NO3)2] (phen = 1,10-phenanthroline), 2; [Lu(terpy)(O2CCH3)3].NaNO3 (terpy = 2,2′;6′,2″-terpyridine) 3; and [Lu(phen)(O2CH)3(OH2)].H2O, 4. Dispersion interactions within the stacked arrays of coordinated aza-aromatic units found in all four complexes appear to be a significant structural influence in the solid state. For complex 1, there are additional interactions beyond dispersion, which suggests that it may be the means whereby the Δ and Λ forms contribute to the overall chiral nature of the crystal. These weak intermolecular interactions were investigated in detail using the Hirshfeld surface analysis.

Original languageEnglish
Article number337
JournalCrystals
Volume13
Issue number2
DOIs
Publication statusPublished - Feb 2023

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