Abstract
We report the synthesis, crystal structure and Hirshfeld surface analysis of Fe(II) complex based on a pentadentate N4Py (N4Py = N,N-bis(2-pyridylmethyl)-N-(bis-2-pyridylmethyl)amine) and polynitrile tcnspr (1,1,3,3-tetracyano-2-thioethylpropenide) ligands, [Fe(N4Py)(tcnspr)](tcnspr) (I). The X-ray result, indicates that (I) is low-spin Fe(II) complex. The tcnspr molecule in the complex exhibits disorder over two sets of atomic sites having occupancies of 0.681 (6) and 0.319 (6). The crystal packing of (I) is established by weak intermolecular C-H…N/S hydrogen bond, C-N… π and stacking interactions. Hirshfeld surface analysis employing three-dimensional molecular surface contours and enrichment ratio calculations have been used to understand the intermolecular interactions present in the structure.