Database of Zeolite Structures
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LTA
Framework Type
LTA
Building Scheme
LTA
Tiling
CIF
LTA
Framework
Linde Type A, Hydrated
Linde Type A, Dehydrated
NMR
Silicon-29
Zeolite A, high silica, calcined
Zeolite A
ZK-4
Phosphorus-31
AlPO-LTA, as-made
XPD
Calculated pattern
Linde Type A, Hydrated
Linde Type A, Dehydrated
Measured pattern
Nanosized Linde Type TMA-A (VS)
Linde Type A (VS)
3D Drawing
LTA
Framework
LTA
Tiling
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LTA
Reference Material
LTA
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LTA
Framework
LTA
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LTA
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LTA
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LTA
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Reference Material
Framework Type
LTA
Reference Material
Material Name:
Linde Type A (zeolite A)
Chemical Formula:
|
Na
12
(H
2
O)
27
|
8
[
Al
12
Si
12
O
48
]
8
-
LTA
Unit Cell:
§
cubic
F m -3 c (# 226)
a'
= 24.6100 Å
b'
= 24.6100 Å
c'
= 24.6100 Å
α' = 90.000°
β' = 90.000°
γ' = 90.000°
(Relationship to unit cell of Framework Type: a' = 2a)
Framework Density:
12.9 T/1000 Å
3
Channels:
<100>
8
4.1 x 4.1***
Dimensionality
Sorption (molecular cross section > 3.4Å):
3-dimensional
Topological (pore opening > 6-ring):
3-dimensional
References:
Reed, T.B. and Breck, D.W.
"Crystalline zeolites. II. Crystal structures of synthetic zeolite, type A"
J. Am. Chem. Soc.
,
78
, 5972-5977 (1956)
Material name:
Linde Type A (zeolite A)
Chemical formula:
[
Al
12
Si
12
O
48
]
8
-
LTA
§
Gramlich, V. and Meier, W.M.
"The crystal structure of hydrated NaA: A detailed refinement of a pseudosymmetric zeolite structure"
Z. Kristallogr.
,
133
, 134-149 (1971)
Name and Code derivation:
Zeolite
A
(Linde Division, Union Carbide)
L
inde
T
ype
A
LTA
§
Chemical Formula and Unit Cell taken from the reference marked with this sign
Limiting Rings
8-ring viewed along <100>
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IZA-SC
)