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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=65738 Help
TitleK4 Al2 Nb11 O20 F - "missing link" der Clusterkondensation.
AuthorsSimon, A.;Koehler, J.;Tischtau, R.;Miller, G.
ReferenceIC&volume=101&fpage=169&details=yes target=icsd_help>Angewandte Chemie (1989) 101, 169-169
Link XRef SCOPUS Google
CompoundAl2 F1 K4 Nb11 O20 - Tetrapotassium 20-oxodialumofluorononaniobate(III) niobate(II) [A2B2C4D9XY20] [tI76] [n m2 j h e d b a] []
Cell8.7857(6), 8.7857(6), 12.637(1), 90., 90., 90.
I4/MMM (139) V=975.43
RemarksR=0.082700 : M =Nb :
At least one temperature factor is implausible or meaningless but agrees with the value given in the paper.

Atom (site) Oxid. x, y, z, B, Occupancy
Nb1(2a)3
Nb2(4e)2
Nb3(16m)3
Al1(4d)3
K1(8j)1
O1(16m)-2
O2(16n)-2
O3(8h)-2
F1(2b)-1
0000.001
000.310.011
0.160.160.160.001
0.500.250.021
0.3100.50.011
0.830.830.330.001
0.3300.170.011
0.820.1700.001
000.50.131

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