Stottite
Kleppe A K, Welch M D, Crichton W A, Jephcoat A P
Mineralogical Magazine 76 (2012) 949-962
Phase transitions in hydroxide perovskites: a Raman spectroscopic study
of stottite, FeGe(OH)6, to 21 GPa
Note: this is the preferred structure
Locality: Tsumeb mine, Nambia
_database_code_amcsd 0019859
7.5509 7.4695 7.5531 90 90.005 90 P2/n
atom      x     y     z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ge1       0    .5     0 .0068  .0064  .0070  .0069  .0002  .0002  .0002
Ge2      .5     0     0 .0066  .0065  .0068  .0064 -.0001  .0004  .0002
Fe1       0     0     0 .0078  .0076  .0079  .0080  .0000  .0001 -.0003
Fe2      .5    .5     0 .0078  .0075  .0077  .0081  .0002  .0000  .0003
OH1   .2675 .5826 .5548 .0122   .009   .014   .014  -.001   .001   .001
OH2   .5553 .0826 .2330 .0126   .014   .014   .009  -.002  -.001   .001
OH3  -.4290 .5639 .7316 .0120   .012   .015   .009  -.002   .000  -.002
OH4  -.2689 .0640 .9290 .0120   .009   .014   .013  -.003   .000   .002
OH5  -.5639 .2672 .5762 .0100  .0121   .007   .011   .000   .000   .001
OH6   .5765 .7672 .0634 .0100   .008   .012   .008   .001   .001   .011