Anhydride arsénieux *** As2O3 *** P21/n 5.25 12.87 4.54 90 93.82 90 P 10 C As .258 .102 .040 1.1 12 As .242 .602 .460 1.1 12 As .363 .352 .007 1.1 12 As .137 .852 .493 1.1 12 O .450 .220 .030 .65 11 O .050 .720 .470 .65 11 O .620 .410 .180 .65 11 O .120 .090 .680 .65 11 O .950 .160 .130 .65 11 O .550 .660 .370 .65 11