@article{franco2011coulombic,
  title={Coulombic Interactions and Crystal Packing Effects in the Folding of Donor- Acceptor Oligorotaxanes},
  author={Franco, Ignacio and Ratner, Mark A and Schatz, George C},
  journal={The Journal of Physical Chemistry B},
  volume={115},
  number={11},
  pages={2477--2484},
  year={2011},
  publisher={ACS Publications}
}