Coesite
Angel R J, Shaw C S J, Gibbs G V
Physics and Chemistry of Minerals 30 (2003) 167-176
Compression mechanisms of coesite
Sample: X1P5, P = 6.509 GPa
_database_code_amcsd 0008754
6.9450 12.1909 7.0912 90 120.850 90 C2/c
atom      x      y      z Biso B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Si1  .13572 .11079 .06913  .43 .00347 .00076  .0028 -.00023 .00195 -.00018
Si2  .50923 .15689 .54560  .44 .00328 .00084  .0028 -.00022 .00178 -.00019
O1        0      0      0  .74  .0069  .0004  .0055  -.0007  .0022  -.0001
O2       .5  .1076    .75  .66  .0064  .0013  .0030       0  .0031       0
O3    .2495  .1314  .9242  .70  .0048  .0016  .0042  -.0002  .0032   .0001
O4    .3207  .1005  .3253  .76  .0061  .0011  .0037   .0001  .0015  -.0004
O5    .0298  .2121  .4693  .66  .0050  .0006  .0061  -.0004  .0030  -.0002