Twisting induces ferromagnetism in homometallic clusters. Issue 34 (10th August 2017)

• Record Type: Journal Article
• Authors: Novitchi, Ghenadie; Vela, Sergi; Pilet, Guillaume; Train, Cyrille; Robert, Vincent
• Is Part Of: Dalton transactions. Volume 46:Issue 34(2017)
• Page Start: 11154
• Page End: 11158
• Publication Date: 2017-08-10
• Subjects: Chemistry, Inorganic -- Periodicals; Chemistry, Physical and theoretical -- Periodicals; Chemistry, Inorganic -- Periodicals; 546.05
• DOI: 10.1039/c7dt02360j
• Languages: English
• ISSNs: 1477-9226

Abstract

Abstract : Double stranded helical ligands induce ferromagnetism in copper(ii )-based compounds. Abstract : A helical chiral cluster bridging two sets of Cu2 units is reported. The two double-stranded ligands induce a distorted tetrahedral environment for one of the two copper(ii ) ions whereas the second one remains in a standard octahedral environment. Magnetic measurements and wavefunction calculations demonstrate that the copper(ii ) centres are ferromagnetically coupled ( J = 7.7 cm −1 ). This ligand-driven ferromagnetic interaction thus appears as a proof-of-concept of an innovative strategy towards high-spin clusters.