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: X4P3, P = 5.01 GPa _database_code_amcsd 0008752 6.9862 12.2311 7.1101 90 120.746 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 .13687 .11026 .07002 .370 .0029 .00064 .0023 -.00025 .0015 -.00027 Si2 .50836 .15706 .54447 .405 .0037 .00078 .0020 -.00005 .0018 -.00008 O1 0 0 0 .67 .007 .0003 .0062 -.0002 .0040 .0001 O2 .5 .1093 .75 .56 .005 .0013 .0026 0 .0031 0 O3 .2523 .13006 .9278 .72 .0068 .00115 .0052 -.00051 .0045 -.0002 O4 .3189 .10058 .3252 .81 .0069 .00136 .0036 -.0003 .0022 -.00043 O5 .0267 .21270 .4707 .68 .0047 .0009 .0068 .00007 .0040 .00042