Citation: Zheng, Lei; Xu, Yan; Zhang, Xiaoliang; Zhang, Zhibin; Zhu, Dunru; Chen, Su; Elangovan, S. P. (2010). (C2H8N)9[Eu5(SO4)12]·2H2O: the first europium sulfate open-framework containing two kinds of intersecting extra-large 20-membered ring channels. CrystEngComm, 12, pp. 694-.