B2 Gd2 Na2 O7
Corbel G, Leblanc M, Antic-Fidancev E, Lemaitre-Blaise M
Journal of Solid State Chemistry 144 (1999) 35-44
Crystal structure of sodium rare earth oxyborates Na2Ln2(BO3)2O
(Ln = Sm,Eu, and Gd) and optical analysis of Na2Gd2(BO3)2O:Eu(3+)
_cod_database_code 1000502
_database_code_amcsd 0013972
10.695 6.320 10.328 90 117.80 90 P2_1/c
atom      x      y      z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Gd1  .18531 .08225 .08949  .0062  .0038  .0061 -.0001  .0027  .0000
Gd2  .98249 .45948 .18103  .0067  .0033  .0055  .0003  .0032  .0000
Na1   .5229 -.0573  .2624   .013   .014   .017   .000   .005   .001
Na2   .6094  .2622  .0469   .017   .029   .018  -.002   .010   .005
O1    .9728  .1235  .0959   .009   .006   .007   .001   .004  -.001
O2    .3179 -.2556  .1359   .011   .009   .016   .000   .009   .000
O3    .1700  .2621  .3645   .008   .010   .007   .000   .003   .002
O4    .1504  .4594  .0877   .012   .005   .012   .001   .007   .001
O5    .3980   .162  .0552   .009   .015   .007   .001   .002   .004
O6    .8486  .2581  .2716   .011   .008   .009   .001   .005   .001
O7    .3727   .149  .3401   .013   .016   .012   .001   .007  -.004
B1    .3183   .251  .0797
B2    .2097  -.347  .1496