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 = 1400 K
_database_code_amcsd 0007924
9.315 8.899 5.365 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 .0999 .7500 2.735  .0106  .0071  .0196      0 -.0036      0
Mg2      0 .2612 .2500 3.343  .0131  .0086  .0240      0 -.0006      0
SiA  .2931 .0898 .0741 1.793  .0061  .0052  .0141 -.0009 -.0003  .0006
O1A  .1189 .0937 .0787 2.296  .0060  .0090  .0170 -.0011 -.0006 -.0017
O2A  .3761 .2458 .0661 3.311  .0125  .0073  .0285 -.0065  .0021 -.0023
O3A  .3488 .9852 .3074 3.217  .0087  .0140  .0191  .0006 -.0016  .0076