Framework Type AWO
| Material Name: | AlPO-21 | ||||
Chemical Formula: |
|H8 (DMA)21.32 (Pro)10.66 (OH)8|1/2 [Al24P24O96]1/2-AWO DMA = C2H7N = dimethylamine = N-methylmethanamine SMILES: CNC Images: stick  or 3DPro = C3H8 = propane SMILES: CCC Images: 3D |
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| Unit Cell: |
monoclinic |
P 1 21/a 1 (# 14) |
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| a' = 10.3300 Å | b' = 17.5240 Å | c' = 8.6760 Å | |||
| α' = 90.000° | β' = 123.370° | γ' = 90.000° | |||
| (Relationship to unit cell of Framework Type: a' = a, b '= c , c '= b/ (2sin(β')) or, as vectors, a' = a, b' = c, c' = (b - a)/2 AlPO4-21 transforms to AlPO4-25 (ATV) upon dehydration.) |
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| Framework Density: |
18.3 T/1000 Å3 |
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| References: |
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| Bennett, J.M., Cohen, J.M., Artioli, G., Pluth, J.J. and Smith, J.V. | ||||
| "Crystal Structure of AlPO4-21, a Framework Aluminophosphate Containing Tetrahedral Phosphorus and both Tetrahedral and Trigonal-Bipyramidal Aluminum in 3-, 4-, 5-, and 8-rings" | ||||
| Inorg. Chem., 24, 188-193 (1985) | ||||
| Parise, J.B. and Day, C.S. | ||||
| "The structure of trialuminium tris(orthophosphate) hydrate, AlPO4-21, with clathrated ethylenediamine, Al3(PO4)3*C2H8N2*H2O, and pyrrolidine, Al3(PO4)3*C4H9N*H2O" | ||||
| Acta Crystallogr., C41, 515-520 (1985) | ||||
| Material name: AlPO-21 | ||||
| Chemical formula: [Al24P24O96]1/2-AWO | ||||
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Name and Code derivation: |
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AlPO4-21 (twenty-one) AWO | ||
| Limiting Rings |
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8-ring viewed along [100] |