Proustite Allen S Phase Transition 6 (1985) 1-24 Phase transitions in proustite I. Structural studies Sample: T = 35 K _database_code_amcsd 0014938 10.767 10.767 8.713 90 90 120 R3c atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ag .2483 .2980 .2194 2.84 .008166 .009029 .006454 .009345 .003908 -.000708 As 0 0 0 1.10 S .2129 .0926 .3743 1.83