Natrolite
Wang H, Bish D L
American Mineralogist 93 (2008) 1191-1194
A PH2O-dependent structural phase transition in the zeolite natrolite
Sample: alpha1-metanatrolite
Note: T = 400 C, P = 0.15 mbar
Locality: synthetic
_database_code_amcsd 0004617
16.167 16.938 6.4380 90 90 89.680 F2
atom     x      y    z Uiso
Si11     0      0    0 .009
Si12   .25    .25  .25 .009
Si21 .1356  .2335 .619 .009
Si22 .1122 -.0197 .370 .009
Al11 .0246  .1066 .615 .009
Al12 .2685  .1398 .863 .009
Na1  .0683  .1911 .149 .051
Na2  .2912  .0793 .403 .051
O11  .0420  .0674 .860 .020
O12  .2417  .1716 .112 .020
O21  .0390  .2078 .614 .020
O22  .2096 -.0400 .359 .020
O31  .0950  .0686 .437 .020
O32  .1476  .3044 .781 .020
O41  .0736 -.0785 .543 .020
O42  .1874  .1570 .693 .020
O51  .0707 -.0381 .146 .020
O52  .1682  .2584 .393 .020