Transition metal complexes with Girard reagent-based ligands. Part V. Synthesis, characterization and crystal structure of pentagonal-bipyramidal manganese(II) complex with 2,6-diacetylpyridine bis(Girard-T hydrazone)

Abstract

The article describes the synthesis and crystal structure of the Mn(II) complex with 2,6-diacetylpyridine bis(Girard-T hydrazone), (H 2 dap(GT) 2 ) 2+ , of the formula [Mn(H 2 dap(GT) 2 )(NCS) 2 ](NCS) 2 · MeOH. The complex has a pentagonal-bipyramidal coordination geometry, with pentadentate N 3 O 2 ligand in the equatorial plane and two isothiocyanato groups in the axial positions. Both the ligand and the complex are characterized by their FT-IR spectra and thermal data. The first X-ray characterized complex with a pentadentate ligand of Girard-T reagent derivative.