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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=38853 Help
TitleThe crystal structure of psilomelane, (Ba,H2 O)2 Mn5 O10.
AuthorsWadsley, A.D.
ReferenceIC&volume=6&fpage=433&details=yes target=icsd_help>Acta Crystallographica (1953) 6, 433-438
Link XRef SCOPUS Google
Also: Nature (1952) 170, 973-974
Link XRef SCOPUS Google
CompoundH2.72 Ba0.64 Mn5 O11.36 - [Psilomelane] Barium manganese oxide hydrate (0.6/5/10/1.4) [AB10X23] [mS39] [i8 b] []
Cell9.56(2), 2.88(2), 13.85(2), 90., 92.5(3), 90.
A12/M1 (12) V=380.97
RemarksM =Psilomelane : =6-606 :
Calculated density unusual but tolerable.
No R value given in the paper.
At least one temperature factor missing in the paper.
The dehydration product is hollandite
PDF 6-606, 73-2136
h0l-data

Atom (site) Oxid. x, y, z, B, Occupancy
Mn1(2b)3.74
Mn2(4i)3.74
Mn3(4i)3.74
Ba1(4i)2
O6(4i)-2
O1(4i)-2
O2(4i)-2
O3(4i)-2
O4(4i)-2
O5(4i)-2
H1(4i)1
00.5001
0.260001
0.4800.3301
0.1200.2400.32
0.1200.2400.68
0.1600.5701
0.4200.0901
0.3900.7601
0.3400.4201
0.0800.9201
01.36

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