Na2SeO3 Wickleder M S Acta Crystallographica E58 (2002) i103-i104 Sodium selenite, Na2SeO3 _database_code_amcsd 0010389 4.9089 10.0072 6.8535 90 91.11 90 P2_1/c atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Na1 .2431 .7470 .4151 .0190 .0183 .0174 .0213 -.0018 .0037 .0041 Na2 .7397 .9133 .6526 .0179 .0159 .0148 .0229 -.0013 .0011 -.0036 Se .77619 .91566 .18757 .01143 .0112 .0095 .0136 .0005 .00239 -.0002 O1 .7517 1.0567 .3253 .0163 .0131 .015 .0213 .0000 .0039 -.0016 O2 .7152 .7920 .3523 .0169 .019 .013 .019 .0006 .0035 .0024 O3 1.1158 .8996 .1645 .0169 .0168 .016 .0184 .0017 .0049 .0016