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 = 100 K
_database_code_amcsd 0007202
7.39533 7.39533 15.8482 90 90 90 *P4/ncc
.25 -.25 0
atom     x     y      z occ  Uiso
Ba     .25   .75      0  .5 .0378
Sr     .25   .75      0  .5 .0378
Cu     .25   .25 .09160     .0570
Si   .5123 .9336 .15183     .0286
O1   .4539 .9849  .2459  .5 .0661
O2   .7179 .0000 .13326     .0641
O3   .3738 .0236 .08818     .0720