(Tris{2-[(5-chloro-2-oxidobenzylidene-κO)amino-κN]ethyl}amine-κN)ytterbium(III): crystal structure and Hirshfeld surface analysis

The YbIII atom in the title complex, [Yb(C27H24Cl3N4O3)] [systematic name: (2,2′,2′′-{(nitrilo)tris[ethane-2,1-diyl(nitrilo)methylylidene]}tris(4-chlorophenolato)ytterbium(III)], is coordinated by a trinegative, heptadentate ligand and exists within an N4O3 donor set, which defines a capped octahedral geometry whereby the amine N atom caps the triangular face defined by the three imine N atoms. The packing features supramolecular layers that stack along the a axis, sustained by a combination of aryl-C—H...O, imine-C—H...O, methylene-C—H...π(aryl) and end-on C—Cl...π(aryl) interactions. A Hirshfeld surface analysis points to the major contributions of C...H/ H...C and Cl...H/H...Cl interactions (along with H...H) to the overall surface but the Cl...H contacts are at distances greater than the sum of their van der Waals radii.

Abstract licence: CC BY

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