Tetra-ferri-annite
Comodi P, Zanazzi P F, Weiss Z, Rieder M, Drabek M
American Mineralogist 84 (1999) 325-332
"Cs-tetra-ferri-annite:" High-pressure and high-temperature behavior of a
potential nuclear waste disposal phase
T = 23 deg C, P = 39.4 kbar, crystal 1
_database_code_amcsd 0002203
5.444 9.439 10.185 90 100.2 90 C2/m
atom     x     y     z occ Uiso
Cs       0    .5     0 .89 .0165
Fe1      0     0    .5      .010
Fe2      0 .3327    .5     .0099
Si   .0753 .1666 .2252 .76 .0121
Fe   .0753 .1666 .2252 .23 .0121
Al   .0753 .1666 .2252 .01 .0121
O1    .061     0  .173      .034
O2    .306  .249  .169      .030
O3    .131  .167  .394      .015
O4    .131    .5  .392      .010