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: X4P4, P = 2.84 GPa _database_code_amcsd 0008749 7.0500 12.2907 7.1386 90 120.587 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 .13849 .10936 .07116 .39 .0032 .00061 .0028 -.00029 .0020 -.00022 Si2 .50819 .15731 .54319 .40 .0035 .00072 .0026 -.00002 .0022 -.00004 O1 0 0 0 .68 .005 .0007 .0052 -.0007 .0019 -.0004 O2 .5 .1117 .75 .71 .007 .0010 .0046 0 .0044 0 O3 .2575 .12731 .9322 .61 .0015 .0017 .0042 -.00027 .0016 -.0001 O4 .3158 .10222 .3264 .73 .0048 .0013 .0031 -.00044 .0010 -.0006 O5 .0236 .21242 .4743 .64 .0050 .0006 .0066 -.00019 .0039 .00036