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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=240030 Help
TitleSynthesis and Characterization of Stable Stoichiometric Clathrates of Silicon and Germanium: Cs8Na16Si136 and Cs8Na16Ge135.
AuthorsBobev, S.;Sevov, S.C.
ReferenceIC&volume=121&fpage=379&details=yes target=icsd_help>Journal of the American Chemical Society (1999) 121, 379-379
Link XRef SCOPUS Google
CompoundCs8 Na16 Si136 - Caesium sodium silicon (8/16/136) [NO2P17] [cF160] [g e c b a] []
Cell14.7560(4), 14.7560(4), 14.7560(4), 90., 90., 90.
FD3-MZ (227) V=3212.96
RemarksR=0.023100 : M
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.
Cs8Na16Si136 as prepared

Atom (site) Oxid. x, y, z, B, Occupancy
Cs1(8b)0
Si1(96g)0
Si2(32e)0
Si3(8a)0
Na1(16c)0
0.370.370.3701
0.060.060.3701
0.210.210.2101
0.120.120.1201
00001
Atom (site) Oxid. U11, U22, U33, U12, U13, U23
Cs1(8b)0
Si1(96g)0
Si2(32e)0
Si3(8a)0
Na1(16c)0
0.010.010.01000
0.000.000.000.000.000.00
0.000.000.000.000.000.00
0.000.000.00000
0.010.010.01-0.0-0.0-0.0

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