Eu.92Al1.76Si2.24O8
Kimata M
Mineralogical Magazine 52 (1988) 257-265
The crystal structure of non-stoichiometric Eu-anorthite:
an explanation of the Eu-positive anomaly
_database_code_amcsd 0014487
8.373 12.959 7.124 90 115.51 90 C2/m
atom      x      y      z occ  Biso B(1,1) B(2,2) B(3,3)   B(1,2) B(1,3)  B(2,3)
Eu   .26935      0 .13114 .92 1.575 .00289 .00277 .01141        0 .00130       0
Al1  .00508 .17674 .22466 .47 1.066 .00333 .00137 .00785 -.000417 .00122 -.00004
Si1  .00508 .17674 .22466 .53 1.066 .00333 .00137 .00785 -.000417 .00122 -.00013
Al2  .68983 .11664 .34260 .41  .980 .00321 .00136 .00674   .00020 .00120 -.00013
Si2  .68983 .11664 .34260 .59  .980 .00321 .00136 .00674   .00020 .00120 -.00013
OA1       0 .13110      0     1.409 .00567 .00225 .00755        0 .00198       0
OA2  .59262      0 .28742     1.327 .00374 .00117 .01312        0 .00250       0
OB   .81856 .12704 .21942     1.925 .00748 .00227 .01403  -.00091 .00339  .00003
OC   .01577 .30427 .24947     1.793 .00554 .00224 .01490  -.00054 .00343  .00097
OD   .19207 .12259 .40145     1.606 .00556 .00262 .00916  -.00007 .00176  .00032