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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=84843 Help
TitleFerroelectric tungsten trioxide.
AuthorsWoodward, P.M.;Sleight, A.W.;Vogt, T.
ReferenceIC&volume=131&fpage=9&details=yes target=icsd_help>Journal of Solid State Chemistry (1997) 131, 9-17
Link XRef SCOPUS Google
CompoundO3 W1 - Tungsten oxide - epsilon [AX3] [mP16] [a8] []
Cell5.27793(3), 5.15594(3), 7.66392(4), 90., 91.762, 90.
P1C1 (7) V=208.46
RemarksR=0.043000 : N P =88-545 : T =15 :
At least one temperature factor is implausible or meaningless but agrees with the value given in the paper.
Cell at 100 K: 5.27821, 5.15728, 7.66669, 91.750, U(W)=.0032, U
Cell at 150 K: 5.2781, 5.1589, 7.6699, 91.727, U(W)=.0046, U(O)
Cell at 50 K: 5.27829, 5.15666, 7.6652, 91.758, U(W)=.0026, U(O

Atom (site) Oxid. x, y, z, B, Occupancy
W1(2a)6
W2(2a)6
O1(2a)-2
O2(2a)-2
O3(2a)-2
O4(2a)-2
O5(2a)-2
O6(2a)-2
-.00-.01-.02-0.01
0.500.470.05-0.01
0.210.70-.010.001
0.280.210.060.001
0.700.79-.020.001
0.790.290.050.001
-.000.070.760.001
0.500.420.770.001

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