Liebenbergite
Henderson C M B, Redfern S A T, Smith R I, Knight K S, Charnock J M
American Mineralogist 86 (2001) 1170-1187
Composition and temperature dependence of cation ordering in Ni-Mg olivine solid solutions:
A time-of-flight neutron powder diffraction and EXAFS study
Sample: Mg50Ni50 at room temperature
_database_code_amcsd 0002678
4.7396 10.187 5.9467 90 90 90 Pbnm
atom     x     y     z  occ Biso
Ni1      0     0     0 .727 0.40
Mg1      0     0     0 .273 0.40
Ni2  .9914 .2754   .25 .273 0.44
Mg2  .9914 .2754   .25 .727 0.44
Si   .4256 .0933   .25      0.29
O1   .7677 .0931   .25      0.44
O2   .2203 .4458   .25      0.47
O3   .2756 .1624 .0316      0.48