Ohmilite
Mizota T, Komatsu M, Chihara K
American Mineralogist 68 (1983) 811-817
A refinement of the crystal structure of ohmilite, Sr3(Ti,Fe3+)(O,OH)(Si2O6)2*
2-3H2O
_database_code_amcsd 0000908
10.979 7.799 7.818 90 100.9 90 P2_1/m
atom     x     y     z  occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Sr1  .1107   .25 .3523      0.0019 0.0024 0.0026      0 0.0007      0
Sr2  .4164   .25 .7175      0.0015 0.0021 0.0042      0 0.0010      0
Sr3  .2667   .75 .3916      0.0019 0.0018 0.0029      0 0.0010      0
Ti       0     0     0      0.0014 0.0176 0.0019 0.0014 0.0004 -.0017
Si1  .2989 .4532 .1160      0.0015 0.0015 0.0024 0.0000 0.0004 -.0001
Si2  .2054 .5470 .7418      0.0018 0.0011 0.0024 0.0000 0.0010 0.0000
O1   .0278   .25 .0033      0.0023 0.0032 0.0041      0 0.0013      0
O2   .1669 .5289 .1486      0.0018 0.0023 0.0034 0.0000 0.0003 -.0008
O3   .0665 .5267 .7762      0.0020 0.0024 0.0031 -.0002 0.0010 0.0001
O4   .2972   .25 .1691      0.0031 0.0013 0.0032      0 0.0009      0
O5   .2417   .75 .7344      0.0038 0.0005 0.0047      0 0.0025      0
O6   .4108 .5446 .2410      0.0025 0.0026 0.0043 -.0005 0.0002 -.0011
O7   .2337 .4572 .5698      0.0030 0.0015 0.0033 0.0001 0.0011 -.0008
O8   .3039 .4610 .9070      0.0020 0.0029 0.0033 0.0006 0.0012 0.0007
Wat1 .0283   .75 .4096      0.0017 0.0037 0.0041      0 -.0001      0
Wat2 .5077   .25 .4323      0.0030 0.0054 0.0046      0 0.0006      0
Wat3  .521   .25  .029 .274 0.0110 0.0050 0.1300      0 0.0330      0