Compreignacite
Burns P C
The Canadian Mineralogist 36 (1998) 1061-1067
The structure of compreignacite, K2((UO2)3O2(OH)3)2(H2O)7
_database_code_amcsd 0005561
14.8591 7.1747 12.1871 90 90 90 Pnnm
atom       x       y       z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
U1    .73021  .04748       0      .0143  .0111  .0080 -.0006      0      0
U2    .75811 -.00872 -.30983      .0161  .0073  .0094  .0004  .0002 -.0006
K      .0034   -.144  -.1270 .51  .0303  .0518  .0255 -.0009 -.0005 -.0002
OH1    .7959   -.058     -.5      .0361  .0138  .0087  .0016      0      0
O2     .6091    .082       0      .0241  .0166  .0140  .0052      0      0
OH3    .7048  -.1859  -.1382      .0148  .0126  .0118  .0025  .0042 -.0008
O4     .8754  -.0372  -.2775      .0278  .0170  .0213  .0046 -.0026 -.0035
O5     .6420   .0233  -.3480      .0267  .0228  .0157  .0049 -.0038  .0000
O6     .7475   .1813  -.1616      .0328  .0085  .0117  .0002  .0026 -.0021
O7     .8483   -.012       0      .0233  .0386  .0147  .0042      0      0
Wat8   .5195   -.201  -.1622      .0245  .0316  .0562  .0001  .0000 -.0166
Wat9       0       0      .5      .0619  .0355  .0339 -.0077      0      0
Wat10   .006   -.257   -.090 .46  .0230  .0175  .0604  .0004 -.0040  .0079