NH4As4O6I 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 0019948 5.290 5.290 9.338 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) NM 0 0 .5 .0245 .0245 .0210 .01225 0 0 H1M 0 0 .5 .0245 .0245 .0210 .01225 0 0 H2M 0 0 .5 .0245 .0245 .0210 .01225 0 0 H3M 0 0 .5 .0245 .0245 .0210 .01225 0 0 H4M 0 0 .5 .0245 .0245 .0210 .01225 0 0 As 1/3 2/3 .21063 .0086 .0086 .0139 .0043 0 0 O .5 0 .3139 .0159 .0060 .0191 .0048 0 0 IX 0 0 0 .0149 .0149 .0227 .00745 0 0