Database of Zeolite Structures
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FER
Framework Type
FER
Building Scheme
FER
Tiling
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FER
Framework
Related Materials
Ferrierite
Ferrierite, Siliceous
NMR
Silicon-29
Ferrierite, pure silica, calcined
Ferrierite, pure silica, as-made
NH
4
-Ferrierite, high Si/Al
NH
4
-Ferrierite, low Si/Al
XPD
Calculated pattern
Ferrierite
Ferrierite, Siliceous
Measured pattern
ZSM-35 (VS)
3D Drawing
FER
Framework
FER
Tiling
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FER
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FER
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FER
Framework
FER
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FER
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FER
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FER
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Characteristic Units
CBU's
Chains
Loop configurations
SBU's
Tiles
OSDA's
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Powder Pattern
Framework Type
FER
Powder Diffraction Pattern for Ferrierite, Siliceous
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 n n m
(# 58)
Cell parameters:
a
=
14.07025 Å
b
=
7.41971Å
c
=
18.72 Å
α =
90°
β =
90°
γ =
90 °
Chemical Formula
[
Si
36
O
72
]
-
FER
Refinement:
Combined X-ray and neutron Rietveld refinement, R
wp
=0.123
Reference:
Morris, R.E., Weigel, S.J., Henson, N.J., Bull, L.M., Janicke, M.T., Chmelka, B.F. and Cheetham, A.K.
J. Am. Chem. Soc.
,
116
, 11849-11855 (1994)
Atomic Coordinates:
Atom
Form Factor
x
y
z
PP
B(iso)
SI1
Si
0
0
0.15462
1
0.95
SI2
Si
-0.0012
0.2905
0.27439
1
1.03
SI3
Si
0.1999
0.0037
0.08373
1
1.26
SI4
Si
0.2029
0.2255
0.3315
1
1.26
SI5
Si
0.795
0.1894
0.682
1
0.47
O1
O
0
0.5
0.2479
1
1.97
O2
O
0.0099
0.1788
0.2027
1
3
O3
O
0.0899
0.0016
0.1039
1
2.29
O4
O
0.7804
-0.0202
0.656
1
1.89
O5
O
0.209
0.0377
0
1
0.87
O6
O
0.2494
0.2851
0.258
1
2.45
O7
O
0.2403
0.1829
0.1248
1
1.66
O8
O
0.7393
0.1675
0.8994
1
2.92
O9
O
0.0879
0.2462
0.3291
1
2.21
O10
O
0.904
0.2477
0.6846
1
2.21
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IZA-SC
)