F7 K3 Zr
Hampson G, Pauling L
Journal of the American Chemical Society 60 (1938) 2702-2707
The Structure of Ammonium Heptafluozirconate and Potassium
Heptafluozirconate and the Configuration of the Heptafluozirconate Group
_cod_database_code 1010100
_database_code_amcsd 0017033
8.951 8.951 8.951 90 90 90 Fm3m
atom   x   y   z   occ
K1   .29 .29 .29   .25
K2   .52 .52 .52  .125
Zr1  .99 .99 .99  .125
F1   .12 .12 .12  .125
F2    .2 .96 .91 .0625
F3   .77 .94 .99 .0625