P4Se3
Rollo, J.R.Robinson, W.T.Burns, G.R.Clark, R.J.H.Dawes, H.M.Hursthouse, M.B.
Inorganic Chemistry (1990) 29, 2889-2894
a=10.977Å b=9.845Å c=13.803Å
α=90° β=90° γ=90°