Magnetoplumbite
Moore P B, Sen Gupta P K, Le Page Y
American Mineralogist 74 (1989) 1186-1194
Magnetoplumbite, PbFe12O19: Refinement and lone-pair splitting
Note: Symmetry constraints on U(i,j) for Fe5, O4  and O5 were incorrect,
and likely were refined wrong.
They have been replaced with their isotropic equivalents.
_database_code_amcsd 0001279
5.873 5.873 23.007 90 90 120 P6_3/mmc
atom     x      y       z  occ  Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Pb    .720   .384     .25 .167       0.0218 0.0115 0.0229 0.0068      0      0
Fe1      0      0       0            0.0070 0.0070 0.0045 0.0035      0      0
Fe2      0      0   .2559   .5       0.0104 0.0104 0.0026 0.0052      0      0
Fe3    1/3    2/3  .02733            0.0060 0.0060 0.0038 0.0030      0      0
Fe4    1/3    2/3  .19019            0.0076 0.0076 0.0043 0.0038      0      0
Fe5  .1687 -.1687 -.10881        .47
O1       0      0   .1511            0.0113 0.0113 0.0015 .00565      0      0
O2     1/3    2/3  -.0546            0.0056 0.0056 0.0052 0.0028      0      0
O3   .1839 -.1839     .25       1.01
O4   .1565 -.1565   .0524        .47
O5   .5035 -.5035   .1499        .51