1. Department of Chemistry, University of California, Berkeley, California94720, United States
2. Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, California94720, United States
3. Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois60439, United States
4. Molecular Graphics and Computation Facility, College of Chemistry, University of California, Berkeley, California94720, United States
5. Department of Materials Science and Engineering, University of California, Berkeley, California94720, United States
6. Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California94720, United States