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 = 1.26 GPa, Neutron
_database_code_amcsd 0002863
4.7179 10.2247 7.8290 109.01 90 90 P2_1/b
atom     x     y     z occ  Uiso
MgM1   1/2     0   1/2     .0025
MgM2  .013 .1748  .306     .0025
MgM3  .495 .8870 .0796     .0025
Si   .0772 .1417  .703      .006
O1    .775 .0017  .297     .0049
O2    .732 .2419  .124     .0049
O3    .225 .1681  .528     .0049
O4    .267 .8570  .296     .0049
O5    .263  .058  .103 .45  .008
F5    .263  .058  .103 .55  .008
D     .108  .022  .019 .45  .040