Topaz
Komatsu K, Kagi H, Marshall W G, Kuribayashi T, Parise J B, Kudoh Y
American Mineralogist 93 (2008) 217-227
Pressure dependence of the hydrogen-bond geometry in topaz-OD from neutron
powder diffraction
Locality: synthetic
Sample: 15 tons, P = 0.7 GPa
_database_code_amcsd 0004518
4.7248 8.9250 8.4100 90 90 90 Pbnm
atom     x     y     z occ  Uiso
Al    .904 .1347 .0830     .0111
Si   .4006 .9401   .25     .0111
O1   .7102 .0288   .25     .0046
O2   .4440 .7580   .25     .0046
O3   .2128 .9927 .0918     .0046
O4   .5948 .2506 .0637     .0046
D1    .457 .1870 .1211 .59  .060
D2    .520  .283 .1687 .41  .047