Becquerelite
Pagoaga M K, Appleman D E, Stewart J M
American Mineralogist 72 (1987) 1230-1238
Crystal structures and crystal chemistry of the uranyl oxide hydrates
becquerelite, billietite, and protasite
Locality: Shaba, Zaire
_database_code_amcsd 0001132
13.8378 12.3781 14.9238 90 90 90 Pn2_1a
atom       x     y      z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
U1    .08927 .5587 .25794       .0066  .0024  .0021 -.0011 -.0005 -.0013
U2    .12835 .2467 .24753       .0080  .0077  .0036  .0005  .0003 -.0001
U3    .09471 .9402 .25081       .0041  .0127  .0030 -.0015  .0007 -.0017
U4    .37304   .75 .27802       .0061  .0052  .0026 -.0006 -.0005 -.0027
U5    .34222 .4404 .29160       .0042  .0110  .0040 -.0010 -.0014 -.0022
U6    .34898 .0690 .28840       .0068  .0034  .0028 -.0027  .0006 -.0022
Ca     .0429 .5735  .5341        .021   .022   .007  -.001  -.002   .004
O101u   .053  .537  .3728 .004
O102u   .138  .590  .1414 .004
O201u  .0739  .225  .3603 .004
O202u  .1747  .260  .1352 .004
O301u  .0641  .978  .3618 .004
O302u  .1081  .914  .1368 .004
O401u  .3861  .756  .3960 .004
O402u  .3488  .763  .1583 .004
O501u   .340  .452  .4059 .004
O502u   .354  .417  .1736 .004
O601u   .333  .050  .4095 .004
O602u   .375  .099  .1686 .004
O1h     .014  .384   .204 .015
O2o     .178  .416   .287 .015
O3o    -.072  .583   .224 .015
O4h     .052  .738  .2767 .015
O5h     .245  .617   .304 .015
O7w     .112  .389   .510 .017
O8w    -.121  .579   .477 .017
O9w     .057  .754  .4755 .017
O10w    .227  .607   .504 .017
O11h    .309  .248  .3159 .015
O12h    .011  .112   .191 .015
O13o    .190  .068   .262 .015
O14o    .438  .923   .267 .015
O15h    .247  .873   .307 .015
O16w    .305  .230   .504  .02
O17w    .063  .089   .025  .02
O19w    .469  .894   .517  .02
O20w    .213  .871   .495  .02