Database of Zeolite Structures
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STI
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Powder Pattern
Framework Type
STI
Powder Diffraction Pattern for Barrerite
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:
A m m a
(# 63)
Cell parameters:
a
=
13.643 Å
b
=
18.2Å
c
=
17.842 Å
α =
90°
β =
90°
γ =
90 °
Chemical Formula
[
Al
16.4
Si
55.4
O
144
]
-
STI
Refinement:
X-ray single crystal refinement, R
w
=0.067
Comment:
Non-standard cab setting
Reference:
Galli, E. and Alberti, A.
Bull. Soc. fr. Minéral. Cristallogr.
,
98
, 11-18 (1975)
Atomic Coordinates:
Atom
Form Factor
x
y
z
PP
B(iso)
NA1
Na
0.25
0
0.0417
0.521
10.05
NA11
Na
0.25
0
0.4558
0.442
3.82
NA2
Na
0.0482
0.0624
0.0446
0.101
12.98
NA21
Na
0.0369
0.0634
0.4792
0.181
18.26
NA3
Na
0.1611
0
0.2386
0.181
15.68
K1
K
0.25
0
0.0417
0.102
10.05
K11
K
0.25
0
0.4558
0.086
3.82
K2
K
0.0482
0.0624
0.0446
0.02
12.98
K21
K
0.0369
0.0634
0.4792
0.035
18.26
K3
K
0.1611
0
0.2386
0.035
15.68
MG1
Mg
0.25
0
0.0417
0.001
10.05
MG11
Mg
0.25
0
0.4558
0.001
3.82
MG21
Mg
0.0369
0.0634
0.4792
0.001
18.26
MG3
Mg
0.1611
0
0.2386
0.001
15.68
CA1
Ca
0.25
0
0.0417
0.08
10.05
CA11
Ca
0.25
0
0.4558
0.068
3.82
CA2
Ca
0.0482
0.0624
0.0446
0.016
12.98
CA21
Ca
0.0369
0.0634
0.4792
0.028
18.26
CA3
Ca
0.1611
0
0.2386
0.028
15.68
SI1
Si
0.1356
0.3037
0.1245
0.772
1.19
SI2
Si
0.1363
0.3122
0.3724
0.772
1.21
SI3
Si
0.0512
0.411
0.2433
0.772
1.21
SI4
Si
0.1386
0.1846
0.2541
0.772
1.05
SI5
Si
0
0.2399
0
0.772
1.4
AL1
Al
0.1356
0.3037
0.1245
0.228
1.19
AL2
Al
0.1363
0.3122
0.3724
0.228
1.21
AL3
Al
0.0512
0.411
0.2433
0.228
1.21
AL4
Al
0.1386
0.1846
0.2541
0.228
1.05
AL5
Al
0
0.2399
0
0.228
1.4
O1
O
0.0699
0.2937
0.0495
1
2.86
O11
O
0.0664
0.3136
0.4475
1
2.73
O3
O
0.1195
0.2338
0.1806
1
2.95
O31
O
0.1247
0.2331
0.3299
1
2.32
O4
O
0.1062
0.3806
0.1677
1
3.13
O41
O
0.106
0.381
0.3188
1
3.01
O7
O
0.25
0.3104
0.0971
1
2.76
O71
O
0.25
0.3219
0.4007
1
2.21
O8
O
0.0656
0.1142
0.255
1
2.54
O9
O
0.0546
0.5
0.2435
1
2.79
O10
O
0.25
0.1508
0.254
1
2.13
H2O1
O2-(H2O)
0.1911
0.116
0.0519
0.49
10.3
H2O11
O2-(H2O)
0.0894
0.0824
0.4356
0.41
8.1
H2O2
O2-(H2O)
0.25
0.1259
0.0557
0.32
2.3
H2O21
O2-(H2O)
0.25
0.1313
0.4421
0.91
9.3
H2O3
O2-(H2O)
0.175
0
0.1764
0.38
7.4
H2O31
O2-(H2O)
0.2177
0
0.3221
0.46
6
H2O4
O2-(H2O)
0.0915
0
0.1217
0.5
13.7
H2O41
O2-(H2O)
0.1479
0
0.3869
0.5
14.2
H2O5
O2-(H2O)
0.2174
0.5
0.0917
0.2
2.9
H2O51
O2-(H2O)
0.1966
0.5
0.4154
0.42
8
H2O6
O2-(H2O)
0.1251
0.5
0.0607
0.83
8.1
H2O61
O2-(H2O)
0.0814
0.5
0.4349
0.5
11.4
H2O8
O2-(H2O)
0.25
0.5
0.1615
0.5
19.9
H2O81
O2-(H2O)
0.25
0.5
0.3615
0.5
1.2
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Copyright © 2017 Structure Commission of the International Zeolite Association (
IZA-SC
)