Quartz
Arnold H
Zeitschrift fur Kristallographie 117 (1962) 467-469
Die struktur des hochquarzes
Note: sample is at T = 650 deg C, under the false assumption that it is twinned
_database_code_amcsd 0010605
5.01 5.01 5.47 90 90 120 P3_121
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si   .4666     0   1/3  .0033  .0033  .0025  .0012 -.0024 -.0048
O    .4275 .1874 .1287  .0037  .0037  .0179   .001  -.001  .0003