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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=56296 Help
TitleStructural changes in tsaregorodtsevite.
AuthorsSokolova, E.V.;Rybakov, V.B.;Pautov, L.A.;Pushcharovskii, D.Yu.
ReferenceIC&volume=332&fpage=309&details=yes target=icsd_help>Doklady Akademii Nauk SSSR (1993) 332, 309-312
Link XRef SCOPUS Google
CompoundC2 Al1 O12 Si5 - Carbon aluminium silicon oxide (2/1/5/12) [ABC2X6] [tI40] [k2 i g d] []
Cell8.908(1), 8.908, 8.925(1), 90., 90., 90.
I422 (97) V=708.22
RemarksR=0.047000 : D P =47-2499 :
Becomes cubic after heating to 1243 K, a=8.817
Heating product of tsaregorodtsevite (at 1143 K, loss of N H3),

Atom (site) Oxid. x, y, z, B, Occupancy
Si1(8i)4
Si2(4d)4
Al1(4d)3
O1(8g)-2
O2(16k)-2
C1(16k)0.5
0.2400.51.951
00.50.252.020.5
00.50.252.020.5
0.350.3505.5(1
0.35-.010.354.891
0.070.100.084.3(0.25

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