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1 entry selected.
CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=77450 Help
TitleStatic disorder of dodecasil 3C. A Single-crystal study with synchrotron radiation.
AuthorsKoennecke, M.;Miehe, G.;Fuess, H.
ReferenceZeitschrift fuer Kristallographie (1992) 201, 147-155
Link XRef SCOPUS Google
CompoundO2 Si1 - [Dodecasil 3C] Silicon oxide [AX2] [cF408] [i2 h g2 f2 e a] []
Cell19.369(6), 19.369, 19.369, 90., 90., 90.
FD3-MZ (227) V=7266.44
RemarksR=0.071000 : M =Dodecasil 3C : P =47-720 : T =523 : X
The coordinates are those given in the paper but the atomic distances do not agree with those calculated during testing.The coordinates are probably correct.
For unsplit O-positions cp. 77449

Atom (site) Oxid. x, y, z, B, Occupancy
Si1(96g)4
Si2(32e)4
Si3(8a)4
O1(96h)-2
O2(96g)-2
O3(192i)-2
O4(48f)-2
O5(48f)-2
O6(192i)-2
0.060.060.3701
0.210.210.2101
0.120.120.120.021
00.34-.3401
0.180.180.2800.5
0.200.200.2900.25
0.120.120.3700.5
0.120.120.3600.5
0.170.180.1500.16
Atom (site) Oxid. U11, U22, U33, U12, U13, U23
Si1(96g)4
Si2(32e)4
Si3(8a)4
O1(96h)-2
O2(96g)-2
O3(192i)-2
O4(48f)-2
O5(48f)-2
O6(192i)-2
0.030.030.030.00-0.0-0.0
0.020.020.02-0.0-0.0-0.0
000000
0.050.110.11-0.0-0.0-0.0
0.080.080.02-0.00.010.01
0.110.100.06-0.00.000.03
0.100.100.06-0.000
0.040.040.10-0.000
0.090.050.03-0.0-0.00.01

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