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: unannealed sample
Locality: the Kipawa syenite gneiss complex
_database_code_amcsd 0011042
9.5804 9.5901 6.9802 90 90 120.079 P2_1
atom     x     y     z occ Biso
Ca1a .3335 .6671 .9860 .19 5.66
Ce1a .3335 .6671 .9860 .81 5.66
Ca1b .3329 .6664 .4884 .71  .03
Ce1b .3329 .6664 .4884 .29  .03
Ca2a .9905 .2412  .244 .40 3.16
Ce2a .9905 .2412  .244 .60 3.16
Ca2b .2407 .2501  .738 .42 3.13
Ce2b .2407 .2501  .738 .58 3.13
Ca2c .2502 .0091  .233 .43 2.98
Ce2c .2502 .0091  .233 .57 2.98
Si1  .0256 .6287   .25      2.1
Si2  .3712 .3980  .249      2.2
Si3  .6024 .9727  .248      2.3
O1a   .837  .511   .23      3.4
O1b   .489  .326  .223      3.0
O1c   .673  .165  .222      2.8
O2a   .405  .872  .269      1.9
O2b   .466  .595  .252      3.2
O2c   .129  .534  .262      2.5
O3a   .635  .902  .043      2.1
O3b   .692  .935  .410      5.8
O3c   .272  .370  .046      2.2
O3d   .239  .309  .417      4.0
O3e   .067  .760  .068      4.9
O3f   .100  .730  .436      2.3
F    -.001  .998  .191 .84  8.2
OH   -.001  .998  .191 .16  8.2