Material Name: | ITQ-7 | ||||
Chemical Formula: |
[Si64O128]-ISV |
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Unit Cell: |
tetragonal |
P 42/m m c (# 131) |
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a' = 12.8530 Å | b' = 12.8530 Å | c' = 25.2140 Å | |||
α' = 90.000° | β' = 90.000° | γ' = 90.000° | |||
Framework Density: |
15.4 T/1000 Å3 |
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Channels: |
<100> 12 6.1 x 6.5** <-> [001] 12 5.9 x 6.6*
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References: |
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Villaescusa, L.A., Barrett, P.A. and Camblor, M.A. | |||
"ITQ-7: A new pure silica polymorph with a three-dimensional system of large pore channels" | |||
Angew. Chem. Int. Ed., 38, 1997-2000 (1999) 3.0.co;2-u> |
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Name and Code derivation: |
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Instituto de Tecnologia Quimica Valencia - seven ITQ-7 (seven) ISV |
Limiting Rings |
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12-ring viewed along <100> | 12-ring viewed along [001] |