Database of Zeolite Structures

Framework Type AST
  *AlPO-16, as-made
    Bennett, J.M. and Kirchner, R.M.
The Structure of As-synthesized AlPO4-16 Determined by a New Framework Modeling Method and Rietveld Refinement of Synchrotron Powder Diffraction Data
Zeolites, 11, 502-506 (1991)
  |(Quin)4 (H2O)16 | [Al20P20O80]-AST
Quin = C7H13N = quinuclidine = 1-azabicyclo[2.2.2]octane
SMILES: C1CN2CCC1CC2   Images:  stick or 3D
  Octadecasil, as-made
    Caullet, P., Guth, J.L., Hazm, J., Lamblin, J.M. and Gies, H.
Synthesis, Characterization and Crystal Structure of the New Clathrasil Phase Octadecasil
Eur. J. Solid State Inorg. Chem., 28, 345-361 (1991)
  |TMA+| [Si40O80]-AST
TMA+ = C4H12N+ = tetramethylammonium ion
= tetramethylazanium
SMILES: C[N+](C)(C)C   Images:  stick or 3D

XRD pattern:  Octadecasil, as-made
  AlPO-16, as-made
    Schott-Darie, C., Patarin, J., Goff, P.L.
Synthesis, characterization and Rietveld refinement of the tetragonal variant of AlPO4-16 prepared in fluoride medium
Microporous Mater., 6513, 123-132 (1994)
  [Al - P - O]-AST
  Octadecasil, as-made
    Fyfe, C.A., Lewis, A.R., Chezeau, J.M., Grondey, H.
19F/29Si Distance Determinations in Fluoride-Containing Octadecasil from Solid-State NMR Measurements
J. Am. Chem. Soc., 119, 12210-12222 (1997)
  [Si - O]-AST
    Li, H. and Yaghi, O.M.
Transformation of germanium dioxide to microporous germanate 4-connected nets
J. Am. Chem. Soc., 120, 10569-10570 (1998)
  Octadecasil, calcined
    Villaescusa, L.A., Barrett, P.A., Camblor, M.A.
Calcination of Octadecasil: Fluoride Removal and Symmetry of the Pure SiO2 Host
Chem. Mater., 10, 3966-3973 (1998)
  [Si - O]-AST
    Wang, Y.X., Song, J.Q. and Gies, H.
The substitution of germanium for silicon in AST-type zeolite
Solid State Sci., 5, 1421-1433 (2003)
  [SixGe40-xO80]-AST  (x=0-40)

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  *  An asterisk (*) in front of the material name indicates that it is the Reference Material