Heulandite-Na
Yang P, Armbruster T
Journal of Solid State Chemistry 123 (1996) 140-149
Na, K, Rb and Cs exchange in heulandite single-crystals: X-ray structure
refinements at 100 K
Sample: T = 100 K
Locality: Nasik, India
_database_code_amcsd 0013884
17.6770 17.931 7.426 90 116.47 90 C2/m
atom       x      y      z occ  Biso
Na1     .025  -.091   .481 .13   8.0
Na3     .179      0   .676 .58   2.6
Na4    .0358   .485   .250 .29   3.3
Ca1     .156      0   .680 .22   3.6
Ca2    .5420      0   .194 .16   1.4
Al1   .17931 .17025 .09656 .23  .948
Si1   .17931 .17025 .09656 .77  .948
Al2   .28931 .08985  .5006 .42  1.12
Si2   .28931 .08985  .5006 .58  1.12
Al3   .29150 .31041 .28324  .2  .940
Si3   .29150 .31041 .28324  .8  .940
Al4   .06468 .29752 .41023 .15 1.051
Si4   .06468 .29752 .41023 .85 1.051
Al5        0 .21311      0 .15  1.01
Si5        0 .21311      0 .85  1.01
O1     .3058      0  .5423      2.21
O2     .2323  .1181  .6157      1.98
O3     .1811  .1545  .8823      2.27
O4     .2387  .1072  .2539      1.98
O5         0  .3242     .5      2.39
O6     .0818  .1587  .0646      1.63
O7     .3717  .2666  .4541      2.82
O8     .0079  .2666  .1831      2.27
O9     .2099  .2551  .1765      1.68
O10    .1148  .3719  .3973      2.03
Wat1   .2203     .5 -.0155 .96  3.53
Wat2   .4264  .0745  .0244 .66   4.1
Wat3    .083      0   .873 .34 12.07
Wat4       0     .5     .5       8.0
Wat5   .0606 -.0376   .708 .33   3.6
Wat6   .0938      0   .285 .58   3.4
Wat7    .418   .459   .643 .14   4.9
Wat8   -.092   .601   .090 .24   4.7
Wat9    .067      0    .15 .16  7.90
Wat10   .219      0    .90 .07  7.90