Manganese Dimanganese(III) Oxide

Mn₃O₄

Boucher, B.Buhl, R.Perrin, M.

Journal of Physics and Chemistry of Solids (1971) 32, 2429-2437

a=5.763Å   b=5.763Å   c=9.456Å

α=90.°   β=90.°   γ=90.°