AsO2 Jones P G, Beesk W, Sheldrick G M, Schwarzmann E Acta Crystallographica B36 (1980) 439-440 Arsenic dioxide _database_code_amcsd 0009702 8.597 5.235 7.269 90 90 90 Pnma atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) As1 .0738 .25 .1731 .022 .021 .022 0 0 0 As2 .2647 .25 -.1965 .023 .023 .023 0 -.002 0 O1 .0900 -.0050 .3196 .029 .021 .028 .002 .004 .003 O2 .2465 .25 .0527 .026 .027 .026 0 .005 0 O3 -.0884 .25 .0620 .030 .037 .032 0 -.005 0