title: Comment on "electrical-driven transport of endohedral fullerene encapsulating a single water molecule".
abstract: A Comment on the Letter by B. Xu and X. Chen, Phys. Rev. Lett. 110, 156103 (2013).
authors.affiliation: Department of Physics, Jiangsu Key Laboratory on Optoelectronic Technology, Nanjing Normal University, Nanjing 210023, People's Republic of China.
authors.forename: Zhendong
authors.initials: Z
authors.lastname: Chi
authors.affiliation: Department of Physics, Jiangsu Key Laboratory on Optoelectronic Technology, Nanjing Normal University, Nanjing 210023, People's Republic of China.
authors.forename: Chenglin
authors.initials: C
authors.lastname: Luo
authors.affiliation: Department of Physics, Jiangsu Key Laboratory on Optoelectronic Technology, Nanjing Normal University, Nanjing 210023, People's Republic of China.
authors.forename: Yafei
authors.initials: Y
authors.lastname: Dai