Heklaite
Fischer J, Kramer V
Materials Research Bulletin 26 (1991) 925-930
Crystal structure of KNaSiF_6_
Locality: synthetic
_database_code_amcsd 0014361
9.3246 5.4992 9.7892 90 90 90 Pnma
atom     x     y     z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K    .5136   .25 .1798  .0316  .0277  .0216      0  .0028      0
Na   .3718   .25 .5596  .0364  .0232  .0279      0  .0025      0
Si   .2290   .25 .9206  .0192  .0162  .0191      0  .0009      0
F1   .3274 .4660 .9941  .0660  .0350  .0527 -.0218 -.0219  .0020
F2   .1254 .0367 .8548  .0892  .0543  .0658 -.0364 -.0381 -.0016
F3   .1244   .25 .0601  .0480  .1252  .0426      0  .0260      0
F4   .3313   .25 .7843  .0690  .1162  .0342      0  .0261      0