Antiferromagnetic Interaction Achieved by a 3-D Supramolecular CuII Complex with Pyrazino-Fused TTF as the Ligand, [CuCl2(BP-TTF)]

Abstract
The diffusion reaction of TBA2CuIICl4 (TBA = tetrabutylammonium) and a N-containing organic donor, BP-TTF [=bis(pyrazino)tetrathiafulvalene], yielded a 3-D supramolecular Cu complex, [CuCl2(BP-TTF)] (1). The magnetic measurement of 1 exhibits an antiferromagnetic interaction by fitting a Bonner−Fisher model from 2 to 300 K with S = 1/2 and J = −3.5 K between CuΙΙ mediated by self-assembling donor columns.