YENIKAYA, CENGIZ, MEHMET POYRAZ, and SABRI CEVIK. 2010. “A Quantum Chemical Study on Structure of 1,2-Bis(diphenyl-Phosphinoyl) Ethane and 4-Chlorophenol Cocrystal”. Asian Journal of Chemistry 20 (1):452-62. https://asianpubs.org/index.php/ajchem/article/view/19430.