Labbe P, Frey M, Allais G
Acta Crystallographica B29 (1973) 2204-2210
Nouvelles donnes structurales sur la variete ferroelectrique du
metaniobate de plomb PbNb2O6
_cod_database_code 1001032
_database_code_amcsd 0009487
17.65 17.92 3.870 90 90 90 Cm2m
atom x y z occ
Nb1 0 0 0
Nb2 0 .5004 0
Nb3 .1807 .1095 0
Nb4 .318 .3935 0
Nb5 .3942 .1802 0
Nb6 .110 .3198 0
Pb1 .3278 .0282 .5
Pb2 .0062 .1970 .5 .5
Pb3 .4832 .3452 .5 .5
Pb4 .2549 .2504 .5 .5
O1 0 0 .5
O2 0 .5 .5
O3 .151 .110 .5
O4 .299 .395 .5
O5 .402 .182 .5
O6 .119 .297 .5
O7 .083 .092 0
O8 .139 .213 0
O9 .221 .001 0
O10 .279 .135 0
O11 .417 .073 0
O12 .081 .427 0
O13 .209 .334 0
O14 .331 .281 0
O15 .433 .390 0
O16 .5 .235 0
O17 0 .252 0
Gallay J, Allais G, Deschanvres A
Acta Crystallographica B31 (1975) 2274-2276
Structure de Cd4 As2 I3
_cod_database_code 1001624
_database_code_amcsd 0009543
12.993 12.993 12.993 90 90 90 Pa3
atom x y z
I1 .1862 .4369 .2567
Cd1 .0341 .0048 .2583
Cd2 .2176 .2176 .2176
As1 .1033 .1033 .1033
As2 .4467 .4467 .4467
Allais G, Michel C, Raveau B
Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences 274 (1972) 1625-1628
Contribution a l'etude des pyrochlores de thallium non
stoechiometriques Tl2-x Ta1+x W1-x O6
_cod_database_code 1001149
_database_code_amcsd 0012295
10.523 10.523 10.523 90 90 90 *Fd3m
.125 .125 .125
Tl1 0 0 0 .5
Tl2 .17 .17 .17 .125
Ta1 .5 .5 .5 .75
W1 .5 .5 .5 .25
O1 .435 .125 .125
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