Analcime
Ferraris G, Jones D W, Yerkess J
Zeitschrift fur Kristallographie 135 (1972) 240-252
A neutron-diffraction study of the crystal structure of analcime, NaAlSi2O6*H2O
Locality: Cyclopean Islands, Catania Province, Sicily, Italy
Note: z(O1) corrected to match reported bond lengths
_database_code_amcsd 0010728
13.73 13.73 13.73 90 90 90 Ia-3d
atom      x       y      z occ U(1,1) U(2,2) U(3,3)  U(1,2) U(1,3) U(2,3)
Na     .125       0    .25 2/3  .0044  .0039  .0039       0      0 -.0017
Al   .66208 -.41208   .125 1/3 .00163 .00163 .00194 -.00013 .00014 .00014
Si   .66208 -.41208   .125 2/3 .00163 .00163 .00194 -.00013 .00014 .00014
O    .10428  .13440 .71932     .00401 .00482 .00219  .00058 .00062 .00031
Ow     .125    .125   .125      .0088  .0088  .0088   .0027  .0027  .0027
H1    .0791   .0791  .0791 .25  .0133  .0133  .0133  -.0020 -.0020 -.0020
H2    .1402   .1006  .0548 .25  .0084  .0153  .0079   .0006  .0043  .0006