Britholite-(Y)
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: Suishoyama, Japan
_database_code_amcsd 0011044
9.4216 9.4138 6.7639 90 90 120.0284 P2_1
atom     x     y     z occ Biso
Y1a  .3338 .6662 .0045 .88 2.63
Lu1a .3338 .6662 .0045 .12 2.63
Y1b  .3329 .6670 .5078 .80  .87
Ca1b .3329 .6670 .5078 .20  .87
Y2a  .9947 .2422  .259 .93 1.79
Lu2a .9947 .2422  .259 .07 1.79
Y2b  .2423 .2473  .757 .94 1.75
Lu2b .2423 .2473  .757 .06 1.75
Y2c  .2473 .0050  .257 .93 1.85
Lu2c .2473 .0050  .257 .07 1.85
Si1  .0260 .6270   .25     1.01
Si2  .3727 .3992  .274     1.11
Si3  .6010 .9738  .250     1.12
O1a   .832  .507  .259      2.4
O1b   .491  .322  .275      2.7
O1c   .675  .169  .255      2.4
O2a   .403 .8704  .238      1.6
O2b   .468  .596  .236      1.4
O2c   .130 .5336  .288      1.8
O3a   .628  .896  .062      1.8
O3b   .686  .925  .442      2.3
O3c   .266  .367  .061      1.5
O3d   .237  .310  .438      3.1
O3e   .075  .761  .085      2.3
O3f   .102  .733  .468      1.9
F     .000  .997  .231 .93  5.3
OH    .000  .997  .231 .07  5.3