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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=30793 Help
TitleThe effects of heating and dehydration on the crystal structure of hemimorphite up to 600 degrees C.
AuthorsCooper, B.J.;Gibbs, G.V.;Ross, F.K.
ReferenceZeitschrift fuer Kristallographie (1981) 156, 305-321
Link XRef SCOPUS Google
Also: Zeitschrift fuer Kristallographie, Krist (1977) 146, 241-259
Link XRef SCOPUS Google
CompoundH2 O9 Si2 Zn4 - [Hemimorphite] Tetrazinc disilicate hydroxide [A2B4X9] [oI34] [e2 d2 c a] []
Cell8.268(5), 10.784(8), 5.113(3), 90., 90., 90.
IMM2 (44) V=455.89
RemarksR=0.074000 : T =873 : M =Hemimorphite :
a at 873 K before data collection : 8.279(6) (b,c nearly unchan

Atom (site) Oxid. x, y, z, B, Occupancy
Zn1(8e)2
Si1(4d)4
O1(8e)-2
O2(4d)-2
O3(4c)-2
O4(2a)-2
H1(8e)1
0.200.15001
00.140.5101
0.160.200.6401
00.160.2001
0.3000.0501.
000.6001
00.5
Atom (site) Oxid. Beta11, Beta22, Beta33, Beta12, Beta13, Beta23
Zn1(8e)2
Si1(4d)4
O1(8e)-2
O2(4d)-2
O3(4c)-2
O4(2a)-2
H1(8e)1
0.000.000.01-.000.00-.00
0.000.000.01000.00
0.000.000.02-.00-.00-.00
0.000.000.0100-.00
0.050.000.0200.000
0.010.000.02000
000000

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