Framework Type DDR
| Material Name: | Deca-dodecasil 3R | ||||
Chemical Formula: |
|(AdaA)6 (N2)9 | [Si120O240]-DDR AdaA = C10H17N = 1-aminoadamantane = adamantan-1-amine SMILES: C1C2CC3CC1CC(C2)(C3)N Images: stick  or 3D |
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| Unit Cell: |
trigonal |
R -3 m (# 166) |
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| a' = 13.8600 Å | b' = 13.8600 Å | c' = 40.8910 Å | |||
| α' = 90.000° | β' = 90.000° | γ' = 120.000° | |||
| Framework Density: |
17.6 T/1000 Å3 |
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Channels: |
 [001] 8 3.6 x 4.4**
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| References: |
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| Gies, H. | |||
| "Studies on clathrasils. IX. Crystal structure of deca-dodecasil 3R, the missing link between zeolites and clathrasils" | |||
| Z. Kristallogr., 175, 93-104 (1986) | |||
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Name and Code derivation: |
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Deca- and dodecahedra, 3 layers, rhombohedral Deca-dodecasil 3R DDR | ||
| Limiting Rings |
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8-ring viewed normal to [001] |