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 = 50 K
_database_code_amcsd 0007201
7.39601 7.39601 15.8469 90 90 90 *P4/ncc
.25 -.25 0
atom     x      y      z occ  Uiso
Ba     .25    .75      0  .5 .0281
Sr     .25    .75      0  .5 .0281
Cu     .25    .25 .09149     .0498
Si   .5123  .9335 .15179     .0263
O1   .4543  .9842  .2459  .5 .0606
O2   .7178 -.0001 .13316     .0574
O3   .3737  .0234 .08818     .0676