Archerite
Nelmes R J, Meyer G M, Tibballs J E
Journal of Physics C: Solid State Physics 15 (1982) 59-75
The crystal structure of tetragonal KH2PO4
and KD2PO4 as a function of temperature
Sample: T = 127 K
_database_code_amcsd 0013164
7.4264 7.4264 6.931 90 90 90 I-42d
atom      x      y      z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K         0      0     .5     .00922 .00922  .0066      0      0      0
H    .14867 .22713 .12266  .5  .0172  .0166  .0199 -.0005 -.0018 -.0007
P         0      0      0      .0052  .0052  .0081      0      0      0
O    .14933 .08283 .12675      .0068  .0070  .0091  .0006 -.0050 -.0017