Hg3S2Br1.5Cl.5 Pervukhina N V, Vasil'ev V I, Magarill S A, Borisov S V, Naumov D Y The Canadian Mineralogist 44 (2006) 1247-1255 Crystal chemistry of mercury sulfohalides of composition Hg3S2Hal2 (Hal: Cl,Br). II. Crystal structures of two polymorphic modifications of Hg3S2Cl2-xBrx (x~0.5) Sample: compound I _database_code_amcsd 0006125 17.824 9.238 10.269 90 115.69 90 C2/m atom x y z Uiso Hg1 .1325 .2378 .5016 .030 Hg2 .2166 .5 .7847 .050 Hg3 .0768 .5 .2259 .049 Hg4 -.0733 .2327 .2057 .028 S1 .0714 .2453 .2461 .024 S2 .1992 .2443 .7614 .022 Cl1 .3820 .5 .0031 .045 Br1 .2496 0 .4954 .025 Br2 0 0 .5 .029 Br3 0 .5 .5 .028 Br4 .1241 .5 -.0134 .051