4-(3-Methoxyphenyl)-5-(2-thienylmethyl)-2,4-dihydro-3H-1,2,4-triazole-3-selone: Synthesis, structural characteristics and reactions

•The well-thinking synthesis of organoselenium compounds.•All compounds were synthetized and fully spectroscopical characterized.•3D molecular and crystal structure confirmed by single crystal X-ray diffraction and discussed.•Hirshfeld Surface Analyses were performed and discussed.