American Mineralogist Crystal Structure Database

1 matching records for this search.

Franconite
Download hom/franconite.pdf
Haring M M M, McDonald A M
 
Mineralogical Magazine 78 (2014) 591-607
Franconite, NaNb2O5(OH)*3H2O: structure determination and the role of H bonding,
with comments on the crystal chemistry of franconite-related minerals
Locality: Poudrette quarry, Quebec, Canada
_database_code_amcsd 0020435
10.119 6.436 12.682 90 99.91 90 P2_1/c
atom       x      y      z  occ  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Na1    .5288  .2454  .3395  .73 .0304   .032   .030   .030   .002   .008   .001
Ca1    .5288  .2454  .3395  .13 .0304   .032   .030   .030   .002   .008   .001
Nb1   .16333  .2742 .40382  .98 .0120  .0198  .0071  .0099  .0001  .0043  .0003
Ti1   .16333  .2742 .40382  .01 .0120  .0198  .0071  .0099  .0001  .0043  .0003
Si1   .16333  .2742 .40382  .01 .0120  .0198  .0071  .0099  .0001  .0043  .0003
Al1   .16333  .2742 .40382 .005 .0120  .0198  .0071  .0099  .0001  .0043  .0003
Nb2  -.00108 .18674 .60733  .98 .0119  .0228  .0057  .0076  .0001  .0045 -.0006
Ti2  -.00108 .18674 .60733  .01 .0119  .0228  .0057  .0076  .0001  .0045 -.0006
Si2  -.00108 .18674 .60733  .01 .0119  .0228  .0057  .0076  .0001  .0045 -.0006
Al2  -.00108 .18674 .60733 .005 .0119  .0228  .0057  .0076  .0001  .0045 -.0006
O1     .1710  .2516  .5586      .0147   .021   .011   .012   .000   .003   .001
O2    -.1673  .0287  .6170      .0160   .025   .011   .014   .001   .007   .000
O3     .0729  .1963  .7489      .0191   .035   .014   .009  -.001   .004   .000
O4    -.0845  .4391  .5862      .0179   .032   .006   .016   .003   .007   .000
O5     .3290  .3395  .3959      .0223   .024   .022   .022  -.001   .010  -.003
O6     .0483 -.1383  .5714      .0134   .021   .008   .011   .001   .002  -.003
Ow7    .7421  .3854  .3178       .028   .035   .026   .024  -.008   .009   .001
Ow8    .6084  .2536  .5286       .031   .031   .030   .031   .002   .001  -.001
Ow9    .4335   .378  .1641       .037   .035   .037   .037  -.006   .002   .003
H1      .124   -.20   .619        .01
H2       .78    .50   .364        .07
H3       .78    .41   .254        .07
H4       .60   .395   .553        .06
H5       .68    .17    .57        .11
H6      .347    .32   .133        .02
H7      .511    .37   .128        .08
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