BaYb6(Si2O7)2(Si3O10)
Wierzbicka-Wieczorek M, Kolitsch U
European Journal of Mineralogy 25 (2013) 509-517
BaYb6(Si2O7)2(Si3O10) - the first silicate containing both
Si2O7 and Si3O10 groups: synthesis, crystal chemistry and topology
Locality: synthetic
_database_code_amcsd 0020146
5.5173 27.260 6.8150 90 106.73 90 P2_1/m
atom      x       y      z   Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ba   .27860     .75 .89394 .00921  .0084  .0115  .0079      0  .0027      0
Yb1  .87543 .684277 .22918 .00507 .00519 .00531 .00453 .00036 .00114 .00008
Yb2  .21851 .598846 .58985 .00513 .00416 .00614 .00471 .00017 .00070 .00071
Yb3  .81728 .542559 .81920 .00526 .00458 .00635 .00459 .00045 .00093 .00123
Si1   .2782  .47419  .7001  .0047  .0027  .0064  .0042  .0006 -.0003 -.0006
Si2   .3207  .61194  .1138  .0050  .0048  .0061  .0038  .0014  .0007 -.0004
Si3   .7497  .66780  .7023  .0048  .0049  .0052  .0037  .0004  .0001  .0004
Si4   .4558     .75  .4257  .0048  .0039  .0065  .0042      0  .0015      0
O1    .1096  .45207  .4847  .0051   .004   .007   .003 -.0026 -.0014  .0004
O2    .4131  .52557  .6737  .0078   .008   .005   .011 -.0024   .004  -.001
O3    .5084   .4360  .7960  .0182
O4    .1101  .48108  .8590  .0097   .010   .007   .013   .000   .005  -.001
O5    .4910   .6588  .1014  .0130   .008   .019   .011  -.004   .001  -.003
O6    .1398  .59528 -.1096  .0071   .005   .010   .007 -.0019  .0013 -.0018
O7    .1508  .62316  .2705  .0088   .007   .013   .008  .0052  .0049   .000
O8    .8810  .69510  .9155  .0107   .013   .008   .011  -.003   .003   .000
O9    .6221  .61575  .7256  .0080   .004   .006   .012 -.0008 -.0009  -.001
O10   .9452  .66496  .5629  .0078   .006   .012   .007  .0048  .0035   .000
O11   .4995  .70217  .5776  .0088   .008   .011   .006  .0031  .0006   .004
O12   .6501     .75  .2900  .0052   .006   .003   .009      0   .005      0
O13   .1605     .75  .2875  .0065   .005   .005   .009      0   .001      0