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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=71133 Help
TitlePowder neutron diffraction study of alkali-substituted cordierites with MxMg2Al4+xSi5-xO18 (M=K, Cs; 0
AuthorsThomas, P.;Mercurio, D.;Mercurio, J.P.;Frit, B.
ReferenceIC&volume=28&fpage=101&details=yes target=icsd_help>European Journal of Solid State Inorgani (1991) 28, 101-102
Link XRef SCOPUS Google
CompoundAl4.26 Cs0.26 Mg2 O18 Si4.74 - [Cordierite high] Caesium magnesium cyclo-alumosilicate * [AB4C6D12X36] [hP59] [m l2 f e c] []
Cell9.7894(2), 9.7894(2), 9.3543(3), 90., 90., 120.
P6/MCC (192) V=776.34
RemarksR=0.038000 : M =Cordierite high : N P =13-293 : D
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.
Mean T-O: 1.719, 1.652

Atom (site) Oxid. x, y, z, B, Occupancy
Mg1(4c)2
Al1(6f)3
Si1(6f)4
Al2(12l)3
Si2(12l)4
O1(24m)-2
O2(12l)-2
Cs1(4e)1
0.330.660.250.251
0.50.50.250.230.8
0.50.50.250.230.2
0.370.2600.690.31
0.370.2600.690.69
0.480.340.140.781
0.220.3001.621
000.260.530.13

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