Acta Crystallographica Section E (May 2012)
Bis(μ-2-{bis[(2-oxidobenzylidene)amino]methyl}phenolato)bis[(tetrahydrofuran)samarium(III)] tetrahydrofuran disolvate
Abstract
In the centrosymmetric binuclear complex of the title solvate, [Sm2(C21H15N2O3)2(C4H8O)2]·2C4H8O, the SmIII is coordinated in a distorted monocapped octahedral geometry by four O atoms and two N atoms from two tridentate deprotonated 2-{bis[(2-oxidobenzylidene)amino]methyl}phenolate ligands and an O atom of a tetrahydrofuran (THF) molecule. The Sm...Sm distance in the complex is 3.8057 (4) Å. Parts of the coordinating THF molecule are disordered over two sets of sites in a 0.56 (3):0.44 (3) ratio. The complex and solvent molecules are linked into a three-dimensional structure via C—H...O hydrogen-bonding interactions.