Database of Disordered Zeolite Structures
Intergrowth Family IM-18
Reference Material
  Material Name: IM-18  
  Chemical Formula: |(DMAP)0.74F0.59| [Si9.14Ge2.86O24]
DMAP = C7H10N2 = 4-dimethylaminopyridine
= N,N-dimethylpyridin-4-amine  Images:  stick or 3D
  Type of Disorder: 2-dimensional
disorder in (1) the connecting layer and (2) the stacking of the connecting layers
  Description of Material Refinement shows that the two d4r unit positions are equally occupied  

    Cichocka, M.O., Lorgouilloux, Y., Smeets, S., Su, J., Wan, W., Caullet, P., Bats, N., McCusker, L.B., Paillaud, J.L. and Zou, X.D.
   "Multidimensional disorder in zeolite IM-18 revealed by combining transmission electron microscopy and X-ray powder diffraction analyses"
  Crystal Growth Des., 18, 2441-2451 (2018)