1. Department of Chemistry, University of Nebraska − Lincoln, Lincoln, Nebraska 68588, United States
2. Physikalisches Institut, Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
3. Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States
4. The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
5. Oden Institute for Computational Engineering and Sciences, The University of Texas at Austin, Austin, Texas 78712, United States
6. Nebraska Center for Materials and Nanoscience, University of Nebraska − Lincoln, Lincoln, Nebraska 68588, United States