Spectroscopic, thermal and structural studies of cocrystals of 2,2′-Diamino-4,4′-bis(1,3-thiazole) with 2,5-Bis(4-pyridyl)-3,4- diaza-2,4-hexadiene and 1,2-bis(4-pyridyl)ethylenediamine

摘要

Two cocrystals of 2,2′-diamino-4,4′-bis(1,3-thiazole) (DABTZ) with 2,5-bis(4-pyridyl)-3,4-diaza-2,4-hexadiene (bpdh) and 1,2-bis(4-pyridyl) ethylenediamine (bpen) {[(DABTZ)(bpdh)] and [(DABTZ)(bpen)], respectively} have been synthesized and characterized by elemental analysis, IR-, ~1H NMR-, ~(13)C NMR spectroscopy and were studied by thermal analysis and X-ray crystallography. Self-assembly of these compounds in the solid state is likely caused by hydrogen bonding with minor contributions from π-π stacking, C-H???π and possibly charge transfer interactions. Graphical Abstract: Two cocrystals of 2,2′-diamino-4,4′-bis(1,3- thiazole) with 2,5-bis(4-pyridyl)-3,4-diaza-2,4-hexadiene and 1,2-bis(4-pyridyl)ethylenediamine have been synthesized and characterized. [Figure not available: see fulltext.]