Crystal structure of nonasilver hexathioaluminate, Ag9AlS6, the gamma phase

Ag9AlS6, cubic, F (4) over bar 3m (no. 216), a = 10.739(1) angstrom, V = 1238.5 angstrom(3), Z = 4, R-gt(F) = 0.034, wR(ref)(F-2) = 0.049, T = 293 K.