Britholite-(Ce)
Noe D C, Hughes J M, Mariano A N, Drexler J W, Kato A
Zeitschrift fur Kristallographie 206 (1993) 233-246
The crystal structure of monoclinic britholite-(Ce) and britholite-(Y)
Note: annealed sample
Locality: the Kipawa syenite gneiss complex
_database_code_amcsd 0011043
9.4932 9.4985 6.9371 90 90 120.038 P2_1
atom      x      y      z occ  Biso
Ca1a .33306 .66670 -.0054 .58  1.17
Ce1a .33306 .66670 -.0054 .42  1.17
Ca1b .33361 .66653  .4934 .63   .89
Ce1b .33361 .66653  .4934 .37   .89
Ca2a .99015 .24053  .2437 .40 1.011
Ce2a .99015 .24053  .2437 .60 1.011
Ca2b .24055 .25039  .7435 .41 1.022
Ce2b .24055 .25039  .7435 .59 1.022
Ca2c .25040 .00989  .2445 .41  .999
Ce2c .25040 .00989  .2445 .59  .999
Si1   .0284  .6296    .25       .70
Si2   .3702  .3985   .243       .72
Si3   .6012  .9715  .2407       .72
O1a   .8354  .5115   .236      1.33
O1b   .4878  .3230   .238      1.40
O1c   .6759  .1642   .253      1.38
O2a   .4056  .8739   .227      1.20
O2b   .4681  .5945   .226       .97
O2c   .1266  .5328   .267       .90
O3a   .6392  .9010  .0538       .85
O3b   .6828  .9237   .420       1.5
O3c   .2613  .3602  .0546       .86
O3d   .2407  .3171   .421       1.7
O3e   .0762  .7581  .0706      1.32
O3f   .0999  .7380  .4395      1.11
F    -.0004  .9995  .2117  .84 2.18
OH   -.0004  .9995  .2117  .16 2.18