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 = 697 K
_database_code_amcsd 0006366
4.9509 4.9509 5.4285 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 .4764     0     0  .0176  .0135  .0095 .00675 -.00005 -.0001
O  .4157 .2555 .1281  .0394  .0316  .0196  .0228  -.0050 -.0113