Database of Zeolite Structures
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MSE
Framework Type
MSE
Building Scheme
MSE
Tiling
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MSE
Framework
MCM-68
NMR
Silicon-29
Al-MCM-68
Al-YNU-3
XPD
Calculated pattern
MCM-68
Measured pattern
MCM-68 (VS)
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MSE
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MSE
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MSE
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MSE
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MSE
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MSE
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MSE
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MSE
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MSE
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Powder Pattern
Framework Type
MSE
Powder Diffraction Pattern for MCM-68
Input Parameters
Wavelength:
As specified
CrA1 (2.28970 Å)
CrA2 (2.29361 Å)
Cr (2.29090 Å)
FeA1 (1.93604 Å)
FeA2 (1.93998 Å)
>Fe (1.93730 Å)
CuA1 (1.54056 Å)
CuA2 (1.54439 Å)>
Cu (1.54180 Å)
MoA1 (0.70930 Å)
MoA2 (0.71359 Å)
Mo (0.71070 Å)
AgA1 (0.55941 Å)
AgA2 (0.56380 Å)
Ag (0.56080 Å)
or
Å
keV
2θ range:
° -
°
Step size:
°2θ
Polarization factor:
Background:
Reference peak is
highest peak in 2θ range
peak closest to
°2θ
reflection (
hkl
)
scaled to
Intensity axis:
-
Peak shape
Pseudo-Voigt: (1-
n
)Gaussian +
n
Lorentzian
FWHM = sqrt (U + V tan θ + W tan
2
θ)
Mixing parameter (
n
):
%
Peak range:
FWHM
Peak width:
set UVW at:
U =
V =
W =
Calculate UVW such that
FWHM =
at
°2θ
FWHM =
at
°2θ
FWHM =
at
°2θ
Select Output
List hkl and intensity
List powder pattern
plot powder pattern
Crystal Data
Space Group:
P 4
2
/m n m
(# 136)
Cell parameters:
a
=
18.286 Å
b
=
18.286Å
c
=
20.208 Å
α =
90°
β =
90°
γ =
90 °
Chemical Formula
[
Al
11.4
Si
100.6
O
224
]
-
MSE
Refinement:
Reference:
Dorset, D.L., Weston, S.C. and Dhingra, S.S.
J. Phys. Chem. B
,
110
, 2045-2050 (2006)
Atomic Coordinates:
Atom
Form Factor
x
y
z
PP
B(iso)
Si1
Si
0.1298
0.7543
0.11
1
1.018455
Si2
Si
0.1322
0.7487
0.2685
1
1.018455
Si3
Si
0.0306
0.2148
0.074
1
1.018455
Si4
Si
0.13
0.253
0.1859
1
1.018455
Si5
Si
0.0294
0.2174
0.3124
1
1.018455
Si6
Si
0.0622
0.0622
0.1402
1
1.018455
Si7
Si
0.0622
0.0622
0.2856
1
1.018455
Si8
Si
0.1331
0.254
0.4269
1
1.018455
O1
O
0.1199
0.7447
0.1892
1
1.634265
O2
O
0.0512
0.7521
0.0735
1
1.634265
O3
O
0.1801
0.6884
0.0823
1
1.634265
O4
O
0.168
0.832
0.0944
1
1.634265
O5
O
0.0532
0.753
0.3043
1
1.634265
O6
O
0.1746
0.6762
0.2935
1
1.634265
O7
O
0.1794
0.8206
0.2869
1
1.634265
O8
O
0.0815
0.2659
0.1202
1
1.634265
O9
O
0.0641
0.2161
0
1
1.634265
O10
O
0.0293
0.1317
0.1009
1
1.634265
O11
O
0.187
0.187
0.1732
1
1.634265
O12
O
0.0751
0.231
0.2452
1
1.634265
O13
O
0.0283
0.1303
0.3264
1
1.634265
O14
O
0.0691
0.2597
0.3727
1
1.634265
O15
O
0
0
0.1464
1
1.634265
O16
O
0.0886
0.0886
0.213
1
1.634265
O17
O
0
0
0.2785
1
1.634265
O18
O
0.1919
0.1919
0.4079
1
1.634265
O19
O
0.1007
0.2412
0.5
1
1.634265
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IZA-SC
)