Journal ArticleIsolation and Crystallographic Characterization of Two, Nonisolated Pentagon Endohedral Fullerenes: Ho <sub>3</sub> N@ <i>C</i> <sub>2</sub> (22010)‐C <sub>78</sub> and Tb <sub>3</sub> N@ <i>C</i> <sub>2</sub> (22010)‐C <sub>78</sub>Stevenson, Steven; Rothgeb, Amanda J.; Tepper, Katelyn R.; Duchamp, James; Dorn, Harry C.; Powers, Xian B.; Roy, Mrittika; Olmstead, Marilyn M.; Balch, Alan L.2019-08-2210165349Chemistry – A European Journal255412545 to 125510947-6539https://doi.org/10.1002/chem.2019025591807637National Science Foundation