Abstract
Abstract A new thioantimonate [Mn 2 Sb 4 S 8 (N 2 H 4 ) 2 ] ( 1 ) was solvothermally synthesized by reacting Mn and Sb 2 S 3 with S in hydrazine monohydrate solution. The single crystal structure analysis revealed that all Mn sites adopt distorted octahedral shapes and all Sb sites have either four-fold coordinated SbS 4 configurations or square pyramidal SbS 5 geometry. These polyhedra units are interconnected into two-dimensional layers via the sharing S atoms. These layers are further bridged into a novel three-dimensional framework by intra- and inter-layer hydrazine ligands. The compound 1 is a semiconductor with a band gap of 1.59 eV and displays paramagnetic behavior at high temperature and switches to antiferromagnetic ordering at 40 K.
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