KAs4O6Br Pertlik F Monatshefte fur Chemie 119 (1988) 451-456 The compounds KAs4O6X (X=Cl,Br,I) and NH4As4O6X (X=Br,I): Hydrothermal syntheses and structure determinations Locality: synthetic _database_code_amcsd 0019950 5.257 5.257 8.955 90 90 120 P622 atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) KM 0 0 .5 .0293 .0293 .0289 .01465 0 0 As 1/3 2/3 .20796 .0096 .0096 .0159 .0049 0 0 O .5 0 .3171 .0157 .0079 .0209 .0021 0 0 BrX 0 0 0 .0196 .0196 .0413 .0098 0 0