Chondrodite
Friedrich A, Lager G A, Ulmer P, Kunz M, Marshall W G
American Mineralogist 87 (2002) 931-939
High-pressure single-crystal X-ray and powder neutron study of
F,OH/OD-chondrodite: Compressibility, structure, and hydrogen bonding
Sample: P = 7.04 GPa, Neutron
_database_code_amcsd 0002867
4.6688 10.0589 7.7127 108.98 90 90 P2_1/b
atom     x     y     z occ  Uiso
Mg1    1/2     0   1/2     .0007
Mg2   .012 .1746  .304     .0007
Mg3   .497 .8878 .0787     .0007
Si   .0770 .1419  .705      .001
O1    .774 .0028  .294     .0030
O2    .735 .2391  .123     .0030
O3    .225 .1696  .525     .0030
O4    .268 .8565  .295     .0030
O5    .261  .057  .100 .45  .006
F5    .261  .057  .100 .55  .006
D     .102  .021  .027 .45  .037