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R: [sdpd] zinc germanate
Dear Anoop Menon
I have found this card on ICSD database. I hope it's what you are looking
for.
Bye, marco
COL ICSD Collection Code 16173
DATE Recorded Jan 1, 1980; updated May 21, 1987
NAME Zinc germanate
FORM Zn2 Ge O4
= Ge O4 Zn2
TITL Crystal structures of Willemite Zn2 Si O4 and its germanium analog
Zn2 Ge O4
REF Kristallografiya
KRISA 15 (1970) 457-460
AUT Hang C, SimonovÿMÿA, BelovÿNÿV
CELL a=8.836(1) b=8.836(1) c=8.836(1) à=107.7 á=107.7 ç=107.7
V=563.2 Z=6
SGR R -3 R (148) - trigonal
CLAS -3 (Hermann-Mauguin) - C3i (Schoenflies)
PRS hR42
ANX AB2X4
PARM Atom__No OxStat Wyck -----X----- -----Y----- -----Z----- -SOF-
Ge 1 4.000 6f 0.465 0.229 0.056
Zn 1 2.000 6f 0.798 0.562 0.389
Zn 2 2.000 6f 0.132 0.896 0.723
O 1 -2.000 6f 0.317 0.005 -0.034
O 2 -2.000 6f 5/8 0.312 0.272
O 3 -2.000 6f 0.973 0.641 0.636
O 4 -2.000 6f 0.579 0.249 -0.078
WYCK f7
RVAL 0.133
TEST At least one temperature factor missing in the paper. (Code 53)
----- Original Message -----
From: Hysen Thomas <colloid_h...@yahoo.co.uk>
To: <sdpd...@yahoogroups.com>
Sent: Friday, March 11, 2005 4:15 AM
Subject: [sdpd] zinc germanate
>
>
>
>
> hi all
> I am aresearcher from india. I badly need the jcpds data of zinc
> germenate. We dont have a jcpds data online....also Its not there in
> our hard copy of hannawalt search manuel. .If anybody has acces to the
> same please let me know
> (Zn2GeO4-JCPDS data)
> powder.if somebody finds it please send it to me.
> regards
> Anoop Menon
> Researcher
> Cochin University of Science and Technology
> Cochin
> Kerala
> India
>
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> Yahoo! Groups Links
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