Bis(2,6-dihydroxybenzoato-κ2O1,O1′)(nitrato-κ2O,O′)bis(1,10-phenanthroline-κ2N,N′)gadolinium(III)

Abstract

In the mononuclear title complex, [Gd(C7H5O3)2(NO3)(C12H8N2)2], the Gd atom is in a pseudo-bicapped square-antiprismatic geometry formed by four N atoms from two chelating 1,10-phenanthroline (phen) ligands and by six O atoms, four from two 2,6-dihydroxybenzoate (DHB) ligands and the other two from a nitrate anion. π–π stacking interactions between phen–DHB [centroid–centroid distances = 3.5334 (18) and 3.8414 (16) Å] and phen–phen [face-to-face separation = 3.4307 (17) Å] ligands of adjacent complex molecules stabilize the crystal structure. Intramolecular O—H...O hydrogen bonds are observed in the DHB ligands.