Ameghinite
Dal Negro A, Pozas J M M, Ungaretti L
American Mineralogist 60 (1975) 879-883
The crystal structure of ameghinite
_database_code_amcsd 0000470
18.428 9.882 6.326 90 104.4 90 C2/c
atom     x     y     z Biso  B(1,1)  B(2,2)  B(3,3)   B(1,2)  B(1,3)   B(2,3)
Na   .1730 .2380 .1032 1.64 .001116 .004941 .012686  .000552 .001618  .000376
B1   .3412 .1716 .4414 1.07 .000536 .001950 .010988 -.000005 .000404  .000198
B2   .4028 .3987 .4959 1.14 .000951 .002962 .007124  .000103 .000711  .000736
B3   .4778 .1994 .4828 1.12 .000787 .003442 .008111 -.000288 .001092 -.000706
Oh1  .5494 .1575 .4964 1.62 .000743 .002784 .019029  .000227 .001168  .001012
Oh2  .3011 .1606 .2150 1.29 .000868 .003478 .008704 -.000177 .000537  .000544
Oh3  .3058 .1016 .5929 1.35 .000900 .003118 .010390 -.000377 .000438  .000255
Oh4  .3986 .5352 .5164 1.61 .000938 .002670 .019167  .000386 .001814  .003202
O5   .4701 .3401 .4812 1.48 .000684 .002293 .016263  .000074 .000460  .001292
O6   .3437 .3196 .4990 1.50 .000715 .002336 .016074  .000090 .000348 -.000606
O7   .4194 .1177 .4800 1.26 .000728 .002385 .013890  .000212 .001224  .001776
H1    .561  .059  .505  3.0
H2    .303  .065  .171  3.0
H3    .252  .130  .560  3.0
H4    .447  .581  .517  3.0