KAs4O6I 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 0019951 5.281 5.281 9.169 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 .0341 .0341 .0288 .01705 0 0 As 1/3 2/3 .21503 .0097 .0097 .0188 .00485 0 0 O .5 0 .3209 .0229 .0078 .0224 .0083 0 0 IX 0 0 0 .0168 .0168 .0277 .0084 0 0