Synthesis, crystal structure, spectroscopic, luminescence studies and hirshfeld surface analysis of blue light emitting heterometallic MnIII-NiII complex

Abstract

The synthesis, crystal structure, spectroscopic, luminescence properties and Hirshfeld surface analysis of a new heterometallic complex, [Mn(L)(H2O)(CH3CH2OH)]2[Ni(CN)4], (H2L = N,N′-bis(3,5-di-t-butylsalicylidene)-1,2-propanediamine) was reported. Single crystal diffraction measurements showed that the heterometallic MnIII–NiII complex consists of two [(Mn(L)(H2O)(CH3CH2OH)]+ cations and one [Ni(CN)4]2– anion. The Mn1 and Mn2 ions are hexacoordinate by N2O4 donor sets and have a distorted octahedral geometry. The 3D Hirshfeld surface and 2D fingerprint plots showed that the main interactions were the H⋯H intermolecular interactions with relative contributions of about 73.8%. According to solid-state luminescence measurements, the new heterometallic MnIII–NiII complex showed weak blue light emission.