Ca3Mn2Si4O14
Moore P B, Araki T
Zeitschrift fur Kristallographie 150 (1979) 287-297
Crystal structure of synthetic Ca3Mn2O2[Si4O12]
Note: stable only at P greater than 1.3 GPa
_database_code_amcsd 0010816
14.263 7.620 10.025 90 93.27 90 I2/c
atom      x      y      z Biso B(1,1) B(2,2) B(3,3)  B(1,2)  B(1,3)  B(2,3)
Ca1       0 .33998    .25 1.02 .00184 .00391 .00171       0  .00069       0
Ca2  .19855 .03078 .23912  .72 .00096 .00315 .00163 -.00030  .00020 -.00028
Mn1       0      0      0  .45 .00064 .00215 .00084  .00005  .00011  .00013
Mn2       0 .78757    .25  .53 .00076 .00233 .00109       0 -.00013       0
Si1  .32307 .21004 .98037  .49 .00071 .00206 .00101  .00000  .00000  .00000
Si2  .37343 .16181 .52021  .51 .00069 .00226 .00112 -.00002  .00007  .00006
O1   .33375 .00688 .92714  .78 .00138 .00262 .00149  .00030 -.00034 -.00012
O2   .27879 .22938 .59499  .76 .00075 .00463 .00151  .00027  .00000  .00018
O3   .31786 .21005 .13822  .79 .00138 .00329 .00121 -.00015  .00024 -.00003
O4   .44706 .09704 .63703  .72 .00116 .00241 .00159 -.00005 -.00039  .00005
O5   .10262 .16276 .58584  .71 .00097 .00278 .00186 -.00035  .00027 -.00003
O6   .08675 .20621 .08829  .72 .00115 .00278 .00141 -.00017  .00005  .00012
O7   .06569 .03690 .84803  .78 .00101 .00428 .00135  .00051  .00034  .00081