Rb2Cu(Cr2O7)2*2H2O
Kolitsch U, Fleck M
European Journal of Mineralogy 18 (2006) 471-482
Third update on compounds with krohnkite-type chains: the crystal structure of
wendwilsonite [Ca2Mg(AsO4)2*2H2O] and the new triclinic structure types of
synthetic AgSc(CrO4)2*2H2O and M2Cu(Cr2O7)2*2H2O (M = Rb, Cs)
Locality: synthetic
_database_code_amcsd 0007160
7.272 7.648 7.772 91.89 99.72 115.79 P-1
atom      x      y      z    Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3)  U(2,3)
Rb   .27681 .74673 .17355 .029440 .03086 .03187 .02977 .01610 .00945  .01158
Cu        0      0     .5 .018940  .0216 .01492 .01746 .00713 .00022 -.00175
Cr1  .24356 .47662 .66873 .018630 .02098 .01571 .01814 .00776 .00259  .00167
Cr2  .29716 .24535 .14819 .019570 .01807 .01995 .01954 .00766 .00345  .00146
O1    .2715  .5567  .4838  .04440  .0473  .0556  .0274  .0197  .0070   .0196
O2    .1569  .5971  .7771  .03400  .0328  .0255  .0466  .0168  .0069  -.0054
O3    .0780  .2417  .6442  .02700  .0298  .0154  .0286  .0052  .0028  -.0046
O4    .5109  .4859  .2125  .02430  .0224  .0196  .0289  .0084  .0023   .0043
O5    .0985  .2744  .0605  .03790  .0265  .0467  .0411  .0198 -.0004  -.0002
O6    .2554  .1313  .3201   .0323  .0354  .0299  .0280  .0090  .0123   .0090
O7    .3545  .1220  .0100   .0291
Ow8   .2029 -.0452  .6713   .0253
H1     .322   .036   .653     .08
H2     .231   .010   .780    .066