Siegrist T, Cava R J, Krajewski J J
Materials Research Bulletin 32 (1997) 881-887
Reduced alkaline earth tantalates
Note: isostructural with fluornatromicrolite
_database_code_amcsd 0014379
10.421 10.421 10.421 90 90 90 *Fd3m
.125 .125 .125
atom x y z Biso
Ta 0 0 0 .958
Ca .5 0 0 2.44
O .125 .125 .3173 1.5
F .625 .125 .125 2.2
_database_code_amcsd 0014380
12.282 12.282 3.864 90 90 90 P4/mbm
atom x y z occ Biso
Sr1 0 0 0 .83 3.3
Sr2 .1744 .6744 0 5.8
Ta1 0 .5 .5 1.56
Ta2 .07659 .21119 .5 1.54
O1 0 .5 0 10
O2 .276 .776 .5 2.70
O3 .078 .208 0 4.20
O4 .338 .011 .5 2.5
O5 .140 .066 .5 3.5
_database_code_amcsd 0014381
7.773 7.773 35.414 90 90 120 R-3
Ba 0 0 .36080 1.20
Ta1 0 0 0 .56
Ta2 .26354 .19279 .265872 .45
Ta3 0 0 .13866 .39
Ta4 .21524 .19221 .467499 .31
O1 .2343 .2071 .5685 .64
O2 .2402 .1661 .8332 .41
O3 0 0 .2372 .3
O4 .2392 .1759 .1043 .75
O5 .2328 .1725 .7067 .73
O6 .2042 -.0104 .0315 .80
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Total number of retrieved datasets: 3 View in amc, download in amc
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