SiO2
Haines J, Leger J M, Gorelli F, Hanfland M
Physical Review Letters 87 (2001) 155503-155503
Crystalline post-quartz phase in silica at high pressure
Sample at ambient conditions
_database_code_amcsd 0015284
7.66 4.10 5.03 90 117.9 90 P2_1/c
atom     x     y     z
Si1     .5     0     0
Si2  .1660 .5009 .9688
O1   .0535 .2429 .6511
O2   .7208 .2418 .1864
O3   .3873 .2373 .6597