Fig. 2
X-ray single crystal structures of the helicates and C-H···π interaction of (NEt4)2[Eu2(L1S)4] and (NEt4)2[Eu2(L2S)4]. (color code for Eu: cyan, N: blue, F: green, and O: red) Hydrogen atoms on the helicates are omitted for clarity.
Fig. 2 | Scientific Reports
