1-dimensional stacking disorder
Periodic Building Unit
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Periodic Building Unit (PerBU): |
can layer |
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Layer symmetry |
P (-6) 2 m |
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2D cell parameters |
a = 17.29 Å |
b = 17.29 Å |
gamma = 120° |
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References
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| | | Lee, H., Shin, J., Lee, K., Choi, H.J., Mayoral, A., Kang, N.Y. and Hong, S.B. |
| | | "Synthesis of thermally stable SBT and SBS/SBT intergrowth zeolites" |
| | | Science, 373, 104-107 (2021)
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| Examples |
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The layers are stacked along the [001] direction using the following connectivity patterns
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i | none | one inversion center shown as an open circle in the example | |
m | none | mirrow plane shown as a solid line in the example | |
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* relative to the previous layer
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| Effect on channel system |
| | The disorder does not block the channel system |
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Polymorph SBS |
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Cell Parameters: |
hexagonal |
P 63/m m c: (# 194) |
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a = 17.1930 Å |
b = 17.1930 Å |
c = 27.3330 Å |
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α = 90.000° |
β = 90.000° |
γ = 120.000° |
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Volume = | 6997.3 Å3 |
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Framework Density (FDSi): |
13.7 |
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Ring sizes (# T-atoms): |
12 8 6 4 |
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Channel dimensionality: |
Topological (pore opening > 6-ring): 3-dimensional |
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Maximum diameter of a sphere: |
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that can be included |
11.45 Å |
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that can diffuse along |
a: 7.27 Å |
b: 7.27 Å |
c: 5.72 Å |
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addional volume data |
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| | Composite Building Units: | |
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Note: This polymorph corresponds to the ordered framework SBS |
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Polymorph SBT |
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Cell Parameters: |
trigonal |
R -3 m:H (# 166) |
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a = 17.1910 Å |
b = 17.1910 Å |
c = 41.0300 Å |
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α = 90.000° |
β = 90.000° |
γ = 120.000° |
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Volume = | 10501.3 Å3 |
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Framework Density (FDSi): |
13.7 |
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Ring sizes (# T-atoms): |
12 8 6 4 |
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Channel dimensionality: |
Topological (pore opening > 6-ring): 3-dimensional |
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Maximum diameter of a sphere: |
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that can be included |
11.17 Å |
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that can diffuse along |
a: 7.34 Å |
b: 7.34 Å |
c: 5.71 Å |
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addional volume data |
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| | Composite Building Units: | |
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Note: This polymorph corresponds to the ordered framework SBT |
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