1. Department
of Chemistry, University of California, Berkeley, California 94720, United States
2. Center
for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
3. Department
of Chemistry, NIS and INSTM Centre of Reference, University of Turin, Via Quarello 15, I-10135 Torino, Italy
4. Department
of Chemical and Biomolecular Engineering, University of California, Berkeley, California 94720, United States
5. The
Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
6. Department
of Chemistry, Chemical Theory Center, and Supercomputing Institute, University of Minnesota, Minneapolis, Minnesota 55455, United States
7. Materials
Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
8. Department
of Physics, University of California, Berkeley, Berkeley, California 94720, United States
9. Kavli Energy NanoSciences Institute at Berkeley, Berkeley, California 94720, United States
10. Department
of Chemical Engineering, University of Delaware, Newark, Delaware 19716, United States