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 = 227 K
_database_code_amcsd 0013166
7.459 7.459 6.957 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      .0161  .0161  .0103      0      0      0
D    .14901 .22016 .12098  .5  .0157  .0163  .0198 -.0006 -.0015 -.0018
P         0      0      0      .0088  .0088  .0141      0      0      0
O    .14947 .08091 .12623      .0113  .0116  .0148  .0015 -.0041 -.0028