Effenbergerite
Knight K S, Henderson C M B
European Journal of Mineralogy 19 (2007) 189-200
Structural basis for the anomalous low-temperature thermal expansion
behavior of the gillespite-structured phase Ba0.5Sr0.5CuSi4O10
Sample: T = 200 K
_database_code_amcsd 0007204
7.39447 7.39447 15.8534 90 90 90 *P4/ncc
.25 -.25 0
atom     x      y      z occ  Uiso
Ba     .25    .75      0  .5 .0576
Sr     .25    .75      0  .5 .0576
Cu     .25    .25  .0919     .0758
Si   .5125  .9337 .15204     .0344
O1   .4532  .9863  .2459  .5 .0970
O2   .7183 -.0002 .13358     .0796
O3   .3744  .0242 .08828     .0854