Birnessite
Lopano C L, Heaney P J, Post J E, Hanson J, Komarneni S
American Mineralogist 92 (2007) 380-387
Time-resolved structural analysis of K-and Ba-exchange reactions with synthetic
Na-birnessite using synchrotron X-ray diffraction
Locality: synthetic
Sample: K-birnessite
_database_code_amcsd 0004277
5.1371 2.8476 7.2131 89.96 100.75 89.702 C-1
atom      x     y     z  occ  Uiso
K    -.1835 .6099 .4931 .115 .0673
Mn        0     0     0      .0058
O     .3717 .0331 .1348      .0318
Wat  -.1835 .6099 .4931 .388 .0673