Parascorodite
Perchiazzi N, Ondrus P, Skala R
European Journal of Mineralogy 16 (2004) 1003-1007
Ab initio X-ray powder structure determination of parascorodite, Fe(H2O)2AsO4
_database_code_amcsd 0007087
8.9232 8.9232 9.9296 90 90 120 P-3c1
atom     x     y     z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Fe1    1/3   2/3 .3070 .056   .058   .058   .051   .029      0      0
Fe2      0     0     0 .038   .048   .048   .017   .024      0      0
Wat  .8615 .5046 .0642 .014
As1  .2735     0   .25 .020   .019   .021   .017   .010 -.0001 -.0003
O1   .4621 .1664 .2999 .012
O2   .2136 .0695 .1175 .017