Figure 1.
Polyhedral representation of the polyanion [Co9(H2O)6(OH)3(HPO4)2(PW9O34)3]16− (Co9); WO6, gray octahedra; PO4, orange tetrahedra; CoO6, pink octahedra.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.