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[sdpd] UPPW-3 solution - UPPW-4 problem
>The resulting refined cell with esd's is:
>
>a 15.6161 (0.0063)
>b 10.0867 (0.0036)
>c 11.7967 (0.0047)
>beta 106.220 (4)
Yes, there is a complete consensus about UPPW-3. Thanks
to all participants : http://www.cristal.org/uppw/uppw3.html
Unfortunately, I failed in my quest for finding the raw data until now.
Should I buy it for you Stephens ?
Here is the UPPW-4 problem. That time, not a Grant-in-Aid pattern,
its comes from a patent on zeolites and could probably be indexed
by comparison with similar compounds (why this was not done ?
or is the compound really what it is said to be ? or else ?). Be careful,
the data are given as 2-theta positions (not d(A)).
UPPW-4
November 7, 2003
Problem :
Unindexed ICDD entry but said to correspond to a defined zeolite type :
SSZ-35 (=STF), see
<http://www.zeolites.ethz.ch/Zeolites/updates_4th_edition.htm>http<http://www.zeolites.ethz.ch/Zeolites/updates_4th_edition.htm>://www.zeolites.ethz.ch/Zeolites/updates_4th_edition.htm
Can your indexing software propose some probable cell(s) ?
ICDD 51-1595
Kx(AlxSi1-x)O2.H2O
Potassium aluminum silicate hydrate
Radiation CuKalpha : 1.5418 A
Ref: Nakagawa, Y., 5,391,287, U.S. Patent, (1995)
Also called : SSZ-35
2-theta, intensities
8.010 100
9.620 3
12.070 2
12.840 1
13.580 2
15.420 14
15.830 8
16.100 9
18.820 11
19.040 22
19.300 52
19.920 27
20.570 2
21.620 8
22.830 22
23.260 9
24.220 5
24.540 13
24.950 15
25.280 13
25.640 10
25.860 12
26.140 5
26.600 11
27.380 13
Solution(s) in one week, in principle.
Best wishes,
Armel
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