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 = 296 deg C, crystal 2
_database_code_amcsd 0002205
5.480 9.500 10.907 90 99.60 90 C2/m
atom     x     y     z occ  Uiso
Cs       0    .5     0 .89 .0410
Fe1      0     0    .5     .0195
Fe2      0 .3319    .5     .0202
Si   .0793 .1662 .2393 .76 .0184
Fe   .0793 .1662 .2393 .23 .0184
Al   .0793 .1662 .2393 .01 .0184
O1   .0615     0 .1849      .042
O2   .3146 .2503 .1864      .041
O3   .1325 .1667 .3965      .021
O4   .1325    .5 .4008      .025