Cristobalite
Pluth J J, Smith J V, Faber J
Journal of Applied Physics 57 (1985) 1045-1049
Crystal structure of low cristobalite at 10, 293, and 473 K:
Variation of framework geometry with temperature
Sample: T = 296 K
Locality: synthetic
_database_code_amcsd 0012929
4.9709 4.9709 6.9278 90 90 90 P4_12_12
atom     x     y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Si   .3005 .3005     0 .0104  .0104   .0056  .0019  .0002 -.0002
O    .2392 .1037 .1786 .0319  .0069   .0090 -.0030  .0017  .0037