Magnesite
Markgraf S A, Reeder R J
American Mineralogist 70 (1985) 590-600
High-temperature structure refinements of calcite and magnesite
Sample: T = 400 C
_database_code_amcsd 0000993
4.646 4.646 15.139 90 90 120 R-3c
atom     x y   z B(1,1) B(2,2) B(3,3) B(1,2)  B(1,3) B(2,3)
Mg       0 0   0  .0134  .0134 .00120  .0067       0      0
C        0 0 .25  .0121  .0121 .00090 .00605       0      0
O    .2767 0 .25  .0122  .0175 .00160 .00875 -.00035 -.0007