Tschermigite
Larson A C, Cromer D T
Acta Crystallographica 22 (1967) 793-800
Refinement of the alum structures. III. X-ray study of the a alums,
K, Rb and NH4Al(SO4)2*12H2O
Locality: Synthetic
_database_code_amcsd 0019048
12.240 12.240 12.240 90 90 90 Pa3
atom       x      y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
N         .5     .5    .5  .0059  .0059  .0059  .0020  .0020  .0020
Al         0      0     0  .0026  .0026  .0026  .0006  .0006  .0006
S      .3090  .3090 .3090  .0027  .0027  .0027  .0011  .0011  .0011
O(1)   .2408  .2408 .2408  .0155  .0155  .0155 -.0041 -.0041 -.0041
O(2)   .3142  .2607 .4173  .0083  .0170  .0037  .0122  .0037  .0153
Wat(l) .0456  .1383 .2977  .0054  .0024  .0030  .0007  .0009 -.0006
Wat(2) .0184 -.0169 .1546  .0020  .0057  .0005 -.0010 -.0003  .0008