Protoenstatite
Yang H, Ghose S
Physics and Chemistry of Minerals 22 (1995) 300-310
High temperature single crystal X-ray diffraction studies
of the ortho-proto phase transition in enstatite, Mg2Si2O6 at 1360 K
Sample: T = 1360 K
_database_code_amcsd 0007923
9.306 8.886 5.360 90 90 90 Pbcn
atom     x     y     z  Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Mg1      0 .1003 .7500 2.260  .0075  .0073  .0164      0 -.0012      0
Mg2      0 .2621 .2500 2.776  .0087  .0092  .0211      0 -.0013      0
SiA  .2928 .0901 .0742 1.525  .0043  .0052  .0126 -.0008  .0003  .0006
O1A  .1184 .0947 .0793 2.120  .0042  .0084  .0198  .0001 -.0005 -.0015
O2A  .3775 .2454 .0672 2.837  .0098  .0074  .0242 -.0047 -.0008  .0001
O3A  .3489 .9847 .3071 3.119  .0059  .0157  .0205  .0001  .0001  .0079