Srebrodolskite Berggren J Acta Chemica Scandinavica 25 (1971) 3616-3624 Refinement of the crystal structure of dicalcium ferrite, Ca2Fe2O5 _database_code_amcsd 0011930 5.4253 14.7687 5.5980 90 90 90 Pnma atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Ca .4817 .1080 .0231 .0089 .0011 .0066 -.00025 .00135 .00005 Fe1 0 0 0 .0044 .0014 .0045 .00005 -.0001 .00010 Fe2 -.0541 .25 -.0659 .0053 .001 .0055 0 -.00005 0 O1 .2623 -.0154 .2377 .0089 .0018 .0053 -.00005 -.0020 .0003 O2 .0224 .1406 .0715 .0120 .0013 .0086 .00025 .00005 .00030 O3 .5981 .25 -.1243 .0074 .0016 .0071 0 -.0007 0