K2Cr2O7
Krivovichev S V, Kir'yanova E V, Filatov S K, Burns P C
Acta Crystallographica C56 (2000) 629-630
Beta-K2Cr2O7
Note: dimorphic with lopezite
_database_code_amcsd 0010323
13.0339 7.375 7.4672 90 91.923 90 C2/c
atom      x      y      z U(1,1) U(2,2) U(3,3)  U(1,2) U(1,3)  U(2,3)
K    .14473 .15065 .35562  .0336  .0382  .0266  -.0056  .0002  -.0043
Cr   .39714 .17429 .13497  .0206  .0226  .0207 -.00247 .00292 -.00125
O1   .44153  .3071 -.0176  .0334  .0398  .0281  -.0049  .0069   .0076
O2   .33753  .2974  .2780  .0379  .0373  .0277   .0088  .0082  -.0012
O3       .5  .0595    .25  .0256  .0251  .0343       0  .0020       0
O4   .32025  .0254  .0494  .0371  .0368  .0479  -.0112 -.0072  -.0054