Tilleyite
Smith J V
Acta Crystallographica 6 (1953) 9-18
The crystal structure of tilleyite
_database_code_amcsd 0009150
15.025 10.269 7.628 90 105.83 90 P2_1/a
atom     x     y     z Biso
Ca1  .0056     0 .7542  2.4
Ca2  .1810 .2112 .0978  2.4
Ca3  .1806 .2112 .6148  2.4
Ca4  .1280 .5867 .0520  2.4
Ca5  .1325 .5867 .5561  2.4
Si1  .2071 .9153 .1502  2.4
Si2  .2052 .9153 .5792  2.4
C1   .0297 .2992 .3470  2.4
C2   .0205 .2992 .8220  2.4
O1   .0770 .2093 .2860  2.4
O2   .0681 .2093 .7580  2.4
O3   .0713 .3625 .4790  2.4
O4   .0580 .3625 .9580  2.4
O5   .0622 .6742 .7724  2.4
O6   .0671 .6742 .3094  2.4
O7   .2295 .7732 .0700  2.4
O8   .2255 .7732 .6188  2.4
O9   .1050 .9708 .0575  2.4
O10  .1000 .9708 .5390  2.4
O11  .2176 .5263 .8800  2.4
O12  .2282 .5263 .3444  2.4
O13  .2206 .9153 .3679  2.4