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: 70 tons, P = 7.5 GPa
_database_code_amcsd 0004523
4.6658 8.8210 8.2573 90 90 90 Pbnm
atom     x     y     z occ  Uiso
Al    .906 .1316  .088     .0133
Si    .404 .9415   .25     .0133
O1    .718 .0268   .25     .0101
O2    .443 .7570   .25     .0101
O3   .2193 .9967 .0913     .0101
O4   .5934 .2538 .0710     .0101
D1    .456 .1808  .117 .59  .078
D2    .519  .274 .1800 .41  .037