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: X1P7, P = 7.814 GPa _database_code_amcsd 0008755 6.9126 12.1610 7.0746 90 120.910 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 .13505 .11103 .06876 .45 .00356 .00074 .0031 -.00027 .00195 -.00027 Si2 .50932 .15664 .54624 .43 .00366 .00064 .0031 -.00015 .00205 -.00018 O1 0 0 0 .83 .0059 .0014 .0046 -.0008 .0019 -.0003 O2 .5 .1062 .75 .59 .0061 .0006 .0050 0 .0038 0 O3 .2470 .1328 .9217 .74 .0047 .0021 .0034 .0001 .0031 .0000 O4 .3218 .1000 .3239 .77 .0062 .0015 .0028 -.0002 .0015 -.0005 O5 .0318 .2125 .4692 .71 .0055 .0010 .0058 -.0001 .0035 -.0001