Zippeite
Vochten R, Van Haverbeke L, Van Springel K, Blaton N, Peeters O M
The Canadian Mineralogist 33 (1995) 1091-1101
The structure and physicochemical characteristics of synthetic zippeite
Note: S occupancies increase from .5 to full to match formula
_database_code_amcsd 0005465
8.755 13.987 17.730 90 104.13 90 C2/c
atom      x      y      z occ  Uiso
K1    .4487  .2408  .1347  .5 .0188
K2     .428  .2654  .0708  .5 .0206
U1    .1668 .01573 .08649     .0134
U2    .6665 .98427 .08618     .0151
S1       .5 -.0078    .25     .0141
S2        0  .0016    .25      .013
O1     .192  .1418  .0712     .0152
O1'    .198  .8978  .1163      .014
O2     .651  .1072  .1110     .0160
O2'    .648  .8647  .0557      .014
OH3    .393  -.028  .0459     .0157
OH4   -.099 -.0059  .0440      .012
O5    .5587 -.0701  .1955     .0145
O6    .0820  .0636  .2048     .0150
O7    .3889  .0549  .1975     .0164
O8     .878 -.0569  .2008      .017
OH9    .285  .2691  .2625     .0191
Wat10  .088   .255   .402      .073