Quartz
Kihara K
European Journal of Mineralogy 2 (1990) 63-77
An X-ray study of the temperature dependence of the quartz structure
Sample: at T = 838 K
_database_code_amcsd 0006369
4.9841 4.9841 5.4500 90 90 120 *P3_221
0 0 .6666666666666667
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2)  B(1,3) B(2,3)
Si   .4855     0     0  .0237  .0192  .0123  .0096 -.00015 -.0003
O    .4174 .2397 .1422  .0515  .0481  .0302  .0312  -.0048 -.0182