Lueshite Sakowski-Cowley A C, Lukaszewicz K, Megaw H D Acta Crystallographica B25 (1969) 851-865 The structure of sodium niobate at room temperature, and the problem of reliability in pseudosymmetric structures Locality: synthetic _database_code_amcsd 0018684 5.566 15.520 5.506 90 90 90 Pbma atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Na1 .75 0 .243 .0246 .0018 .0064 -.0005 0 0 Na2 .782 .25 .239 .0086 .0007 .0072 0 -.0026 0 Nb1 .2722 .1262 .2566 .0021 .0004 .0023 -.0003 -.0002 -.0002 O1 .25 0 .304 .0011 .0003 .0089 -.0003 0 0 O2 .233 .25 .191 .0009 .0004 .0064 0 .0012 0 O3 .032 .140 .536 .0008 .0008 .0033 .0004 .0007 .0001 O4 .467 .110 .966 .0093 .0007 .0018 .0008 .0011 .0002