Ca3HfSi2O9
Plaisier J R, Jansen J, de Graaff R A G, Ijdo D J W
Journal of Solid State Chemistry 115 (1995) 464-468
Structure determination of Ca3HfSi2O9 and Ca3ZrSi2O9 from powder diffraction
Locality: synthetic
_database_code_amcsd 0013850
7.3517 10.1489 10.4319 90 91.084 90 P2_1/c
atom     x     y     z Biso
Ca1   .632 .8114 .5933   .4
Ca2   .122 .8306 .5828   .4
Ca3   .626 .4192 .6144   .4
Hf   .1216 .0633 .1165   .4
Si1   .831 .6215  .826   .4
Si2   .413  .636  .819   .4
O1    .609  .615  .777   .4
O2    .069  .005  .737   .4
O3    .117  .394  .013   .4
O4    .116  .251  .747   .4
O5    .332  .736  .223   .4
O6    .306  .505  .779   .4
O7    .375  .672  .959   .4
O8    .122  .622  .520   .4
O9    .661 -.094 -.022   .4