Cu0.999S1.5Sn0.501
Chen, X.Wada, H.Sato, A.Mieno, M.
Journal of Solid State Chemistry (1998) 139, 144-151
a=5.413Å b=5.413Å c=10.824Å
α=90° β=90° γ=90°
Cu4S16Sn7
a=7.372Å b=7.372Å c=36.0100Å
α=90° β=90° γ=120°