Framework Type EMT
Reference Material
| Material Name: | EMC-2 | ||||
Chemical Formula: |
[Al21Si75O192]-EMT |
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| Unit Cell: |
hexagonal |
P 63/m m c (# 194) |
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| a' = 17.3740 Å | b' = 17.3740 Å | c' = 28.3650 Å | |||
| α' = 90.000° | β' = 90.000° | γ' = 120.000° | |||
| Framework Density: |
12.9 T/1000 Å3 |
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Channels: |
[001] 12 7.3 x 7.3* <->  [001] 12 6.5 x 7.5**
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| References: |
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| Delprato, F., Delmotte, L., Guth, J.L. and Huve, L. | ||||
| "Synthesis of new silica-rich cubic and hexagonal faujasites using crown-ether-based supramolecules as templates" | ||||
| Zeolites, 10, 546-552 (1990) | ||||
| § | Baerlocher, Ch., McCusker, L.B. and Chiappetta, R. | |||
| "Location of the 18-crown-6 template in EMC-2 (EMT). Rietveld refinement of the calcined and as-synthesized forms" | ||||
| Microporous Materials, 2, 269-280 (1994) | ||||
| Material name: EMC-2, partially dehydrated | ||||
| Chemical formula: |Na20 (18-crown-6)4 (H2O)58| [Al20Si76O192]-EMT 18-crown-6 = C12H24O6 = 18-crown-6 ether = 1,4,7,10,13,16-hexaoxacyclooctadecane SMILES: C1COCCOCCOCCOCCOCCO1 Images: stick 
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Name and Code derivation: |
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Elf (or Ecole Supérieure) Mulhouse Chimie - two EMC-2 (two) EMT | ||
| § | Chemical Formula and Unit Cell taken from the reference marked with this sign |
| Limiting Rings | |
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12-ring viewed along [001] | 12-ring viewed normal to [001] |