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.
Structure of Fe4O5. Green and blue octahedra (sites Fe1 and Fe2, respectively) illustrate nonequivalent edge-sharing FeO6 groups forming layers perpendicular to the c axis. Layers are alternated by channels where iron, represented as red spheres (Site Fe3), is arranged in larger triangular prisms sharing faces along the direction of the a axis.
